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Коммутатор 3COM Baseline Plus Switch 2928 PWR


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Коммутатор 3COM Baseline Plus Switch 2928 PWR

возможность установки в стойку;24 порта Ethernet 10/100/1000 Мбит/сек;поддержка работы в стеке;440 x 44 x 420 мм, 7 кг


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3Com 2928 - Baseline Plus Switch PWR Switch Operation & user’s manual PDF View/Download

5 View and Download 3Com Baseline 2928 PWR 5 datasheet online. 3Com Baseline 2928 PWR Plus: Specifications. Baseline 2928 PWR Plus Switch pdf manual download. Also for: Baseline plus 2920, Baseline plus 2928, Baseline plus 2928 hpwr, Baseline 5 2952.

Коммутатор 3COM Baseline Plus Switch 2928 PWR

5 /> View and Download 3Com Baseline 2928 PWR Plus user manual online. Baseline Switch 2900 5. Baseline 2928 PWR Plus Switch pdf manual download.

Коммутатор 3COM Baseline Plus Switch 2928 PWR

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View and Download 3Com 2928 - Baseline Plus Switch 5 datasheet online.

Коммутатор 3COM Baseline Plus Switch 2928 PWR

Data Sheet. 2928 - 5 Plus Switch PWR Switch pdf manual download.

Коммутатор 3COM Baseline Plus Switch 2928 PWR

Also for: Baseline switch 2916-sfp plus, Baseline switch 2924-sfp plus, Baseline switch 2924-pwr plus, Baseline switch 2948-sfp plus.
View 5 Operation & user’s manual for 3Com 2928 - Baseline Plus Switch PWR 5 or 5 click Download button to examine the 3Com 2928 - Baseline Plus Switch PWR guidelines 5 on your desktop or laptop computer.

Коммутатор 3COM Baseline Plus Switch 2928 PWR


3com 2928 - Baseline Plus Switch PWR Pdf User Manuals. View online or download 3com 5 - Baseline Plus Switch PWR User Manual
3Com® Baseline 5 2924-PWR Plus.

Коммутатор 3COM Baseline Plus Switch 2928 PWR

The Web interface is a network management system that allows you to configure, 5, and troubleshoot your switch from a remote web browser. The Web interface web pages are easy-to-use 5 easy-to-navigate. User Guide Overview This section provides an overview to the User 5.

Коммутатор 3COM Baseline Plus Switch 2928 PWR

The
Solved: Hello we have an 3com 5 Switch 2948-SFP plus the acutal firmware is: 01.00.01 where can i find the new firmware for this device ? Thanks for the
Re: Firmware 5 Baseline 2928 (V1910-24G) Well, answering to myself since I was able to test the update on a secondary switch 5 service 5.

Коммутатор 3COM Baseline Plus Switch 2928 PWR

I hoped someone would have already had that 5 in mind, but well.
Firmware for 3com Switches 5 have a 3com Baseline 2226 PWR Plus 3C16490 that I need to upgrade the firmware on.

5

3Com 2928 - Baseline Plus Switch PWR Switch Operation & user’s manual PDF View/Download

3com FTP site is offline and I don't see anything other 5 the manuals when I 5 the main HP site.
3Com Baseline Switch 2800-SFP Plus Family - Specifications.

Коммутатор 3COM Baseline Plus Switch 2928 PWR

Connectors and performance specifications. Power consumption (max) 60 W(max) Power dissipation.

Коммутатор 3COM Baseline Plus Switch 2928 PWR

Technical data is provided with limited rights only as provided in DFAR 252.
Configure a port isolation group, and display port isolation group 40 Port Isolation Group information.
Many or none can be selected.
These configuration methods are suitable for different application scenarios.
The web interface supports all switch 2900 series configurations.
The CLI provides some configuration commands to facilitate your operation.
You can log in to the device through the console port, and execute the summary command to view the information of its default IP address.
For detailed configuration, refer to the corresponding configuration manuals of these modules.
Title area: Displays the path of the current configuration interface in the navigation tree; provides the Help button to display the Web related help information, and the Logout button to log out of the Web interface.
Table 2-2 Description of Web-based NM functions Function menu Description User level Wizard IP Setup Perform quick configuration of the device.
Configure File File Manage files on the device, such as displaying the Manage Manageme file list, downloading a file, uploading a file, and Management ment removing a file.
Monitor User Create, modify and delete an SNMP user.
Configure Display the status of the SNMP trap function and Monitor information about target hosts.
Trap Enable or disable the SNMP trap function, or Configure create, modify and delete a target host.
Add the address of an OUI that can be identified by OUI Add Configure voice VLAN.
Remove the address of an OUI that can be.
Display the status, trusted and untrusted ports and Monitor DHCP client information of DHCP snooping.
Certificate Generate a key pair, destroy a key pair, retrieve a certificate, request a certificate, and delete a Configure certificate.
Display the contents of the CRL.
Cancel button Click the button to cancel the input information.
The page changes to the display page of the function or to the Device Info page.
Search button Select an item to be queried, input the keyword, and click the Query button to display the items that meet the requirements.
Select All button Click the button to select all the items in a list, or all the ports on the device panel.
Select None button Click the button to deselect all 5 items in a list, or all the ports on the device panel.
Figure 2-8 Sort display Configuration Guidelines The Web-based console supports Microsoft Internet Explorer 6.
A console cable is an 8-core shielded cable.
One end of the cable is 5 crimped RJ-45 connector, which is connected to the console port of the switch, and the other end is a DB-9 female connector, which is connected to the serial port on the console terminal, as shown below.
The following dialog box appears.
Select the serial port to be used from the Connect using drop-down list.
The following dialog box appears.
Set Bits per second to 38400, Data bits to 8, Parity to None, Stop bits to 1, and Flow control to None.
Click the Settings tab, set the emulation to VT100, and then click OK.
Figure 3-7 Set terminal emulation in Switch Properties dialog box.
The default user name for first time configuration is admin, no password is required.
User names and passwords are case sensitive.
To 5 to the CLI Interface: Step1 Press Enter.
Use the command with caution because this command deletes the configuration file to be used at the next startup and restores the factory default settings.
Description Use the ping command to ping a specified destination.
You can enter Ctrl+C to terminate a ping operation.
The minimum, average, and maximum roundtrip intervals are 1 millisecond, 41 milliseconds, and 205 milliseconds respectively.
If the boot file in the downloaded software package is not applicable, the original boot file is still used at the next startup.
The specified file will be used as the boot file at the next reboot.
Figure 1-1 Configuration wizard homepage Conf iguring System Parameters In the wizard homepage, click Next to enter the system parameter configuration page, as shown in Figure 1-2.
The system name appears at the top of the navigation tree.
For details, refer to Device QQ A172J422 Information Configuration.
A management IP address is the IP address of a VLAN interface, which can be used to access the device.
By default, the VLAN interface is down if no Ethernet ports in the VLAN is up.
The Admin VLAN is in the up state if one or more ports in the VLAN are up.
Review the configurations and if you want to modify the settings click Back to go back to the page.
Click Finish to confirm your settings and the system performs the configurations.
Configure ports between the stack devices as stack ports.
Configuring an IRF Stack Configuration Task List Perform the tasks in Table 1-1 to configure an IRF stack.
You can configure global parameters of a stack in the Global Settings area.
Figure 1-2 Set up Table 1-2 describes configuration items of global parameters.
Select the check box before a port name, and click Enable to configure the port as a stack port.
Select the check box before a port name, and click Disable to configure the port as a non-stack port.
Logging Into a Slave Device From the Master Select IRF from the navigation tree, click the Device Summary tab, and click the tab of a slave device to enter the page shown in Figure 1-5.
Create a stack, where Switch A is the master device, Switch B, Switch C, and Switch D are slave devices.
An administrator can log in to Switch B, Switch C and Switch D through Switch A to perform remote configurations.
Now, switch A becomes the master device.
Configure a stack port on Switch A.
On the page of the Setup tab, perform the following configurations, as shown in Figure 1-8.
Select IRF from the navigation tree of Switch B to enter the page of the Setup tab, and взято отсюда perform the following configurations, as shown in Figure 1-9.
Select IRF from the navigation tree of Switch C to enter the page of the Setup tab, and then perform the following configurations, as shown in.
Select IRF from the navigation tree of Switch D to enter the page of the Setup tab, and then perform the following configurations, as shown in Figure 1-10.
If https://xn--80afh5adm3cyc.xn--p1ai/asus/iso-dfa-102-vozduhovod.html device is already configured as a slave device of a stack, the Global Settings area on the slave device is grayed out.
Displaying Device Summary Displaying System Information After you log in to the Web interface, the System Information page appears by default, as shown in Figure 1-1.
Figure 1-1 System information Select from the Refresh Period drop-down list: If you select a certain period, the system refreshes the system information at the specified interval.
For more system operation logs, you can click More to enter the Log List page.
For details, refer to Log Management Configuration.
If you select Manual, the system refreshes the information only when you click the Refresh button.
The configured system name will be displayed on the top of the navigation bar.
Set the idle timeout period for a logged-in user.
That is, the system will log an idle user off the Web for security purpose after the configured period.
Table 1-2 Idle timeout period configuration item Item Description Idle timeout Set the idle timeout period for a logged-in user.
The device supports setting system time through manual configuration and automatic synchronization of NTP server time.
An administrator can by no means keep time synchronized among all the devices within a network by changing the system clock on each device, because this is a huge amount of workload and cannot guarantee the clock precision.
Switch B works in the client mode, and uses Device A as the NTP server.
Configure NTP authentication on Device A and Switch B.
Figure 1-2 Network diagram for configuring system time 1.
Type 24 in the ID box, and type aNiceKey in the Key String text box for key 1.
Optional Setting Loghost Set the loghost that can receive system logs.
Return to Log management configuration task list.
After you change the order in which system logs are displayed, the system logs are displayed in this order, unless you change it again.
Return to Log management configuration task list.
Figure 1-3 Set loghost Table 1-5 describes the loghost configuration item.
You can select the.
After you click the lower Browse https://xn--80afh5adm3cyc.xn--p1ai/asus/stroitelniy-mikser-elmos-emx11-1100-vt.html in this figure, the file upload dialog box appears.
You can select the.
A main boot file is used to boot a device and a backup boot file is used to boot a device only when the main boot file is unavailable.
After the device reboots, you need to re-log in to the Web interface.
In this case, you need to save the current configuration manually before you can reboot the device.
You can select to open this file or save this file to the local host.
The generation of the diagnostic file will take a period of time.
During this process, do not perform any operation on the Web page.
On the top of this page, select a disk from the Please select disk drop-down list, and the used space, Материнская плата ASUS P5QL-VM EPU space, and capacity of the disk will be displayed at the right of the drop-down list.
The area below the drop-down list displays all files displayed in the format of path + filename saved on the disk and their sizes.
In the Upload File area, select a disk from the Please select disk drop-down list to save the file, type the file path and filename in the File box, or click Browse to select a file.
Click Apply to upload the file to the specified storage device.
Link Type To change the link type of a port from trunk to hybrid or vice versa, you must first set its link type to access.
Set the default VLAN ID of the interface.
For details about setting the PVID, refer to VLAN Configuration.
Pin 1 and pin 2 are used for receiving signals; pin 3 and pin 6 are used for transmitting signals.
To enable normal communication, you must connect the local transmit pins to the remote receive pins.
Port or ports that you have selected from the chassis front panel, and Selected Ports for which you have set operation parameters.
The Summary tab is displayed by default.
Select the parameter you want to view by clicking the radio button before it to display the setting of this parameter for all the ports in the lower part of the page, as shown in Figure 1-2.
The rates of the network adapters of these servers are all 1000 Mbps.
Click the Summary tab.
Select the Speed option to display the rate information of all ports on the lower part of the page, as shown in Figure.
You can select to port-mirror inbound, outbound, or bidirectional traffic on a port as needed.
You can configure one only monitor port for a mirroring group.
Select Local in the Type drop-down list.
Configure the mirroring ports.
Click Modify Port to enter the page for configuring ports for the mirroring group, as shown in Figure 1-6.
Figure 1-6 Configure the mirroring ports.
Configure the monitor port.
Click Modify Port to enter the page for configuring ports for the mirroring group, as shown in Figure 1-8.
Figure 1-8 Configure the monitor port Select 1 —.
You can configure multiple mirroring ports but only one monitor port for a local mirroring group.
If no such a password is configured, the switchover will fail.
The access level configured for the user is not changed.
When the user re-logs in to the Web interface, the access level of the user is still the original level.
Packets forwarded by the port will be received by itself through the loopback plug.
The external loopback test can be used to check whether there is a hardware failure on the port.
After that, click Test to start the loopback test, and you can see the test result in the Result text box, as shown in Figure 1-2.
Select the port you want to test in the chassis front panel and then click Test.
The test result is returned in less than 5.
The status of a cable can be normal, abnormal, abnormal openabnormal shortor failure.
When a cable is normal, the cable length displayed is the total length ссылка на страницу the cable.
Cable status When a cable is not normal, the cable length displayed is the length of the cable between the current port and the location where fault occurs.
For details, refer to Port Management.
With storm constrain enabled on a port, you can specify the system to act as follows when a certain type of traffic broadcast, multicast, or unicast exceeds the corresponding upper threshold: Block: Block the port.
It is different from the interval set in the flow interval module, which is used for measuring the average traffic sending and receiving rates over a specific interval.
Thus, it is normal that a period longer than one traffic statistics generating interval is waited for a control action to happen if you enable the function while the packet storm is present.
You can choose to configure a statistics group or a history group accordingly.
Click Add to enter the page for adding a statistics entry, as shown in Figure 1-2.
Click Add to enter the page for adding a history entry, as shown in Figure 1-4.
Click Add to enter the page for adding an event entry, as shown in Figure 1-6.
Alarm variable Interface Set the name of the interface whose traffic statistics will be collected and Name monitored.
Click the icon of a statistics entry to enter the page as shown in.
Table 1-9 Fields of RMON statistics Item Description Total number of octets received by the interface, Number of Received Bytes corresponding to the MIB node etherStatsOctets.
Total number of packets читать больше by the interface, Number of Received Packets corresponding to the MIB node etherStatsPkts.
Click the icon of a history entry to enter the page as shown in.
Number of fragments received during the sampling period, corresponding to Fragments the MIB node etherHistoryFragments.
Number of jabbers received during the sampling period Support for the field Jabbers depends on the device model.
Figure 1-11 Log Return to Display RMON running status.
Type user1-rmon in the text box of Owner.
You can view the information as shown in Figure 1-14.
Click the Event tab, click Add, and then perform the following configurations, as shown in Figure 1-15.
Figure 1-15 Configure an event group.
Select the check box before Log.
The page goes to the page displaying the event entry, and you can see that the entry index of the new event is 1, as shown in Figure 1-16.
Type 10 in the text box of Interval.
Select Delta from the Simple Type drop-down box.
Type 1-rmon in the text box of Owner.
The port resumes working normally when the effective time period ends.
Lowest Speed If you configure the lowest speed limit on a port that does not support 10 Mbps, the configuration cannot take effect.
Shut down the port.
Shutdown An energy saving policy can have all the three energy saving schemes configured, of which the shutdown scheme takes the highest priority.
An NMS is a station that runs the SNMP client software.
It offers a user friendly interface, making it easier for network administrators to perform most network management tasks.
This string of numbers is the OID of the managed object A.
A subtree can be identified by the OID of the root node of the subtree.
For example, the OID of the subtree with the root node being B is the OID of node B —— {1.
On the upper part of the page, you can select to enable or disable SNMP and configure parameters such as SNMP version; on the lower part of the page, you can view the SNMP statistics.
After configuring the parameters of a rule, click Add to add the rule into the list box at the lower part of the page.
After configuring all rules, click Apply to crate an SNMP view.
Note that the view will not be created if you click Cancel.
Click Add to enter the Add SNMP Community page as shown in Figure 1-10.
Click Add to enter the Add SNMP Group page as shown in Figure 1-12.
Select the notify view of the SNMP group, that is, the view that can send trap messages.
Notify View If no notify view is configured, the agent does not send traps to the NMS.
Click Add to enter the Add SNMP User page, as shown in Figure 1-14.
On the upper part of the page, you can select to enable the SNMP trap function; on the lower part of the page, you can configure target hosts of the SNMP traps.
Security Level When the security model is selected as v1 or v2c, the security level is no authentication no privacy, and cannot be modified.
Figure 1-18 Enable SNMP Select the Enable radio box.
Click Apply to enter the SNMP rule configuration page, as shown in Figure 1-20.
Figure 1-20 Create an SNMP view 2 Select the Included radio box.
Type the MIB subtree OID interfaces.
Figure 1-22 Create an SNMP group Type group1 in the text box of Group Name.
Select view1 from the Read View drop-down box.
Figure 1-24 Enable the agent to send SNMP traps Select the Enable SNMP Trap check-box.
Add target hosts of SNMP traps.
Click Add to enter the page as shown in Figure 1-25.
If an idle interface on the agent is shut down or brought up, the NMS will receive a trap information sent by the agent.
OutNUcastPkts Number of non-unicast packets sent through the interface.
OutDiscards Number of valid packets discarded in the outbound direction.
OutErrors Number of invalid packets sent through the interface.
VLANs are isolated from each other at Layer 2.
A VLAN is a bridging domain, and all broadcast traffic is contained within it, as shown in Figure 1-1.
The 12-bit VLAN ID field identifies the VLAN the frame belongs to.
The VLAN ID range is 0 to 4095.
As 0 and 4095 are reserved by the protocol, the VLAN ID range available for assignment is 1 to 4094.
Default VLAN PVID By default, VLAN 1 is the default VLAN for all ports.
However, you can change the default VLAN for a port as required.
When doing this, follow these guidelines: Because an access port can join only one VLAN, its default VLAN is the VLAN to which it belongs and cannot be configured.
The Select VLAN tab is displayed by default for you to select VLANs, as shown in Figure 1-5.
Modify the description string of the selected VLAN.
Modify Description By default, the description string of a VLAN is its VLAN ID, such as VLAN 0001.
Set the member type of the port to be modified in the VLAN.
Figure 1-7 The Modify Port tab Table 1-6 describes the configuration items of modifying ports.
Create VLAN 2, VLAN 6 through VLAN 50, and VLAN 100.
Figure 1-11 Set a VLAN range Select the radio button before Display a subnet of all configured VLANs and type 1-100 in the text box.
Click Modify VLAN to enter the page for modifying the ports in a VLAN, as shown in Figure 1-12.
You can assign the VLAN interface an IP address and specify it as the gateway of the VLAN to forward the traffic destined for an IP network segment different from that of the VLAN.
Table 1-2 Configuration items of creating a VLAN interface Item Description Input the ID of the VLAN interface to be created.
Before creating a VLAN Input a VLAN ID: interface, make sure that the corresponding VLAN exists.
DHCP Configure the way in which the VLAN interface gets an IPv4 address.
After you change the IP address of the VLAN interface you are using to log in to the device, you will be disconnected from the device.
You can use the changed IP address to re-log in.
Manual Select Up or Down in the Admin Status drop-down list to bring up or shut down the selected VLAN interface.
When the VLAN interface fails, you can shut down and then bring up the Modif VLAN interface, which may restore it.
Ports on a same device can be assigned to.
The system will remove the port from the voice VLAN when the aging timer expires if no voice packet is received on the port during the aging timer.
Assigning ports to and removing ports from a voice VLAN are automatically performed.
If the default VLAN of the port is the voice VLAN and the port works in manual VLAN assignment mode, the port forwards all received untagged packets in the voice VLAN.
In normal mode, the voice VLANs are vulnerable to traffic attacks.
As VLAN 1 is the system-default VLAN, you do not need to create it; however, you нажмите сюда configure it as the voice VLAN.
For information about port link types, refer to Port Management Configuration.
Figure 1-1 Configure voice VLAN Table 1-6 describes the global voice VLAN configuration items.
Configure the voice VLAN function globally.
You can skip this step, because the voice VLAN security mode is enabled by default Set the voice VLAN aging timer to 30 minutes.
Type in description string test.
Verify the configuration When the configurations described above are completed, the OUI Summary tab is displayed by default, as shown in Figure 1-10.
You can view the information about the newly-added OUI address.
Add OUI addresses to the OUI list.
Click the OUI Add tab to enter the page shown in Figure 1-18.
Figure 1-18 Add OUI addresses to the OUI list Type in OUI address 0011-2200-0000.
Figure 1-20 Current voice VLAN information Configuration Guidelines When configuring the voice VLAN function, follow these guidelines: To remove a VLAN functioning as a voice VLAN, disable its voice VLAN function first.
However, the protocol-based VLAN function requires hybrid ports to process untagged traffic.
Therefore, if a VLAN is configured as the voice VLAN and a protocol-based VLAN at the same time, the protocol-based VLAN cannot be associated with the port.
The following is how your device learns a MAC address after it receives a frame from a port, port A for example: Checks the frame for the source MAC address MAC-SOURCE for example.
Figure 1-1 MAC address table 5 the device.
Configuration procedure Create a static MAC address entry.
The page shown in Figure 1-5 appears.
Introduction to STP STP was developed based on the 802.
Devices running this protocol detect loops in the network by exchanging information with one another and eliminate loops by selectively blocking certain ports to prune the loop structure into a loop-free tree structure.
The root port is responsible for communication with the root bridge.
Each non-root bridge has one and only one root port.
The root bridge has no root port.
Selection of the optimum configuration BPDU Each device sends out its configuration BPDU and receives configuration BPDUs from other devices.
Assume that the root path cost in a configuration BPDU plus the path cost of a receiving port is S.
The configuration BPDU with the smallest S value has the highest priority.
Figure 1-2 Network diagram for the STP algorithm Initial state of each device The following table shows the initial state of each device.
Device A finds that the configuration BPDU of the local port {0, 0, 0, AP1} is superior to the received configuration На этой странице, and therefore discards the received configuration BPDU.
After the comparison processes described in the table above, a spanning tree with Device A as the root bridge is established as shown in Figure 1-3.
However, the resulting new configuration BPDU cannot propagate throughout the network immediately.
If the newly elected root детальнее на этой странице and designated ports start to forward data right away, a temporary loop is likely to occur.
A newly elected root port or designated port must wait twice the forward delay time before transiting to the forwarding state, even if it is a port on a point-to-point link or an edge port, which directly connects to a user terminal rather than to another device or a shared LAN segment.
These devices have the following characteristics: All are MSTP-enabled.
Based on the topology, different spanning trees in an MST region may have different regional roots.
If the region is seen as a node, the master port is the root port of the region on the CST.
Port 1 and port 2 of device A are connected to the common root bridge, port 5 and port 6 of device C form a loop, port 3 and port 4 of Device D are connected downstream to the other MST regions.
During this process, the device with the highest priority is elected as the root bridge of the CIST.
MSTP generates an IST within each MST region through calculation, and, at the same time, MSTP regards each MST region as a single device and generates a CST among these MST regions through calculation.
Figure 1-6 MST region.
Return to MSTP configuration task list.
The working mode is RSTP by default.
Set the maximum number of hops in an MST region to restrict the region size.
Max Hops The setting can take effect only when it is configured on the regional root bridge.
Figure 1-9 MSTP configuration on a port Table 1-10 describes the configuration items of configuring MSTP on a port.
Figure 1-10 The Port Summary tab.
Configuration procedure Configure Switch A.
Configure an MST region.
Repeat the steps above to map VLAN 20 to MSTI 2 and VLAN 30 to MSTI 3 and add the VLAN-to-MSTI mapping entries to the VLAN-to-MSTI mapping MB04EAL SAHARA LAPP.

20x120 />Configure an MST region.
The procedure here is the same as that of configuring an MST region on Switch A.
Configure an MST region.
The procedure here is Стул Avanti BCR-First same as that of configuring an MST region on Switch A.
To адрес its port role as a boundary port, you need to restart the port.
In this way, these ports can rapidly transit to the forwarding state, and the network security can be ensured.
You can assign only Layer 2 Ethernet interfaces to the group.
The duplex mode of an aggregate interface is consistent with that of the selected member ports.
Note that all selected member ports use the same duplex mode.
This can prevent the ongoing traffic on the current selected ports from being interrupted.
The system with the lower Профессиональное аудиооборудование Behringer FBQ3102HD priority wins out.
If they are the same, compare the system MAC addresses.
The system with the smaller MAC address wins out.
Enter Link Aggregation Interface You can view the result in the Summary list box источник статьи the bottom of the page.
Set the type of the link aggregation interface to be created:.
Return to Dynamic aggregation group configuration task list.
The Summary tab is displayed by default, as shown Figure 1-4.
To view information about the partner port of a LACP-enabled port, select it in the port list, and then click View Details.
Approach 1: Create a static link aggregation group Create static link aggregation group 1.
To keep these configurations consistent, you should configure the port manually.
To привод ASUS DRW-1612BL Silver Оптический the needs, the IETF drafted the Link Layer Discovery Protocol LLDP in IEEE 802.
The protocol operates on the data link layer to exchange device information between directly connected devices.
If the port does not have a MAC Source MAC address address, the MAC address of the sending bridge is used.
Type The Ethernet type for the upper layer protocol.
It is 0x88CC for LLDP.
In addition, LLDP-MED TLVs make deploying voice devices in Ethernet easier.
A port in this mode does not send or receive LLDPDUs.
Each time the LLDP operating mode of читать port changes, its LLDP protocol state machine re-initializes.
To prevent LLDP from being initialized too frequently at times of frequent operating mode change, an initialization delay, which is user configurable, is introduced.
If valid, the information is saved and an aging timer is set for it based on the time to live TTL TLV carried in the LLDPDU.
If the TTL TLV is zero, the information is aged out immediately.
This tab displays the enabling status and operating mode of LLDP on a port.
Select one or more ports and click Enable beneath the port list to enable LLDP on them.
To disable LLDP on a port, select the port and click Disable.
You can configure LLDP settings on ports individually or in batch.
Figure 1-5 The page for modifying LLDP settings on a port To configure LLDP settings on ports in batch, select one or more читать больше and click Modify Selected.
The page shown in Figure 1-6.
Table 1-8 Port LLDP configuration items Item Description Interface Name Displays the name of the port or ports you are configuring.
Enable LLDP polling and set the polling interval.
To enable LLDP to be compatible with CDP on a port, you must set the CDP Compatibility CDP work mode or the CDP operating mode on the port to TxRx in addition to enabling CDP compatibility on the Global Setup tab.
In the port list click a port name to display its LLDP information at the lower half of the page.
It is 0 if the neighbor port is not assigned Aggregation port ID to any link aggregation group.
This ID is used for the purpose Asset tracking identifier of inventory management and asset tracking.
The type of PSE power source advertised by the neighbor, which can PoE PSE power source.
Figure 1-12 The Global Summary tab Table 1-12 describes the global LLDP information.
Figure 1-13 The Neighbor Summary tab.
Click the Global Setup tab, as shown in Figure 1-17.
Figure 1-17 The Global Setup tab.
By default, LLDP is enabled on Ethernet ports.
Click the Status Information tab at the lower half of the page.
On Switch A configure VLAN 2 as a voice Больше информации and ссылка CDP-compatible LLDP to enable the Cisco IP phones to automatically configure the voice VLAN, thus confining their voice traffic within the voice VLAN to be separate from other types of traffic.
If LLDP is enabled the defaultskip this step.
Select TxRx from the CDP Operating Mode dropdown list.
Enable global LLDP and CDP compatibility of LLDP.
Click the Global Setup tab, as shown in Figure 1-28.
Display information about LLDP neighbors on Switch A after completing the configuration.
However, when IGMP snooping is running on the switch, multicast packets for known multicast groups are multicast to the receivers, rather than broadcast to all hosts, at Layer 2.
Figure 1-3 Basic IGMP snooping configurations Table 1-2.
Click the icon corresponding to the VLAN to enter the page you can configure IGMP.
If fast leave is enabled for a port to which more than one host is attached, when one host leaves a multicast group, the other hosts listening to the same multicast group will fail to receive multicast data.
The multicast source sends multicast data to group 224.
Host A is a receiver of the multicast group.
IGMPv2 runs on Router A and IGMP snooping version 2 runs on Switch A.
Click Apply to complete the operation.
Click the Modify Port tab to enter the configuration page shown in Figure 1-10.
Click Apply to complete the operation.
Enable IGMP snooping globally.
In VLAN 100, enable IGMP snooping and the function of dropping unknown multicast data.
Click the icon corresponding to VLAN 100 to enter its configuration page and perform the.
Click the plus sign + in front of Show Entries in the basic VLAN configuration page to display information about IGMP snooping multicast entries, as shown in Figure 1-14.
Each entry in the table specifies which physical interface a packet should go out to reach the next hop the next router or the directly connected destination.
Routes in a routing table fall into three categories by origin: Direct routes: Routes discovered by data link protocols, also known as interface routes.
If there is no default route, the packet will be discarded and an ICMP packet will be sent to the source to report that the destination is unreachable.
On Switch B, configure one static route with Switch A as the next hop and the other with Switch C as the next hop.
основываясь на этих данных the IPv4 route page of Switch A, Switch B, and Switch C respectively to verify that the newly configured static routes are displayed as active routes on the page.
Use the ping command for verification.
When specifying the output interface, note that: If NULL 0 interface is specified as the output interface, there is no need to configure the next hop address.
DHCP is built on a client-server model, in which a client sends a configuration request and then the server returns a reply to send configuration parameters such as an IP address to the client.
Dynamic allocation: DHCP assigns an IP address to a client for a limited period of time, which is called a lease.
Most DHCP clients obtain their addresses in this way.
If this flag is set to 0, the DHCP server sent a reply back by unicast; if this flag is set to 1, the DHCP server sent a reply back by broadcast.
It specifies a list of classful static routes the destination addresses in these static routes are classful that a client should add to its routing table.
If Option 121 exists, Option 33 is ignored.
It records the location information of the DHCP client.
The following describes the.
Enable or disable DHCP in the DHCP Service field.
Click Display Advanced Configuration to expand the.
In the Server Group field, click Add to enter the page shown in Figure 2-4.
In the Interface Config field, the DHCP relay agent state of interfaces is displayed.
In the User Information field, click the User Information button to view static and dynamic.
Perform the following operations, as shown in Figure 2-9.
Configure a DHCP server group.
In the Server Group field, ELAND GLT-150 Add and then perform the following operations, as shown in Figure 2-10.
Figure 2-10 Add a DHCP server group Type 1 for Server Group ID.
Select 1 for Server Group ID.
Because the DHCP relay agent and server are on different subnets, you need to configure a static route or dynamic routing protocol to make them reachable to each other.
The handling strategies are described in the table below.
If a reply returned by the DHCP server contains Option 82, the DHCP snooping device will remove the Option 82 before forwarding the reply to the client.
If the reply contains no Option 82, the DHCP snooping device forwards it directly.
You can enable or disable DHCP 5 in the DHCP Snooping field.
You can view trusted and untrusted ports in the Interface Config field.
Figure 3-6 Network diagram for DHCP snooping configuration Configuration procedure Enable DHCP snooping.
Perform the following operation, as shown in Figure 3-7.
Perform the following operations on the DHCP Snooping Interface Configuration page shown in Figure.
Perform the following operations on the 5 Snooping Interface Configuration page shown in Figure 3-9.
Click on the Enable radio button next to Option 82 Support.
Select Replace for Option 82 Strategy.
SFTP uses the SSH connection to provide secure data transfer.
The device can serve as the SFTP server, allowing a remote user to log in to the SFTP server перейти secure file management and transfer.
The device can also serve as an SFTP client, enabling a user to login from the device to a remote device for secure file transfer.
Port Number HTTP When you modify a port, ensure that the port is not used by other service.
Associates the HTTP service with an ACL.
детальнее на этой странице the clients that pass the ACL filtering are permitted to use the HTTP service.
A successful execution of the ping command involves the following steps: The source device sends an ICMP echo request ECHO-REQUEST to the destination device.
Figure 1-1 Ping configuration page Type the IPv4 address of the destination device in the Ping text box, and click Start to execute the ping command.
You will see the result in the Summary area.
Figure 1-2 Https://xn--80afh5adm3cyc.xn--p1ai/asus/noutbuk-asus-rog-g752vl.html operation result.
Figure 1-3 Trace Route configuration page Type the destination IP address in the Trace Route text box, and click Start to execute the trace route command.
You will see the result in the Result area, as shown in Figure 1-4.
In an Ethernet LAN, when a device sends data to another device, it uses ARP to translate the IP address of the destination device to the corresponding MAC address.
The resolution process is as follows: Host A looks into its ARP table to see whether there is an ARP entry for Host B.
If yes, Host A uses the MAC address in the entry to encapsulate the IP packet into a data link layer frame and sends the frame to Host B.
It cannot get aged or be overwritten by a dynamic ARP entry.
Using static ARP entries enhances communication security.
After a static ARP entry is specified, only a specific MAC address is associated with the specified IP address.
Click Add to enter the New Static ARP Entry page.
Select the Advanced Options checkbox to expand advanced configuration items, as shown in Figure 1-4.
Figure 1-6 Create VLAN 100 Type 100 for VLAN ID.
Click Apply to complete the нажмите сюда />Create a static ARP entry.
Click Add Perform the following operations, as shown in Figure 1-10.
After intercepting the traffic between Host A and Host C, a hacker Host B forwards forged ARP replies to Host A and Host C respectively.
If ARP detection is not enabled for the VLAN, the ARP packet is not checked even if it is received from an ARP untrusted port.
If an entry with a matching IP address but a different MAC address is found, the ARP packet is considered invalid and discarded.
To create a static binding entry, type an IP address and MAC address in the Static Bindings field, and then click Add, as shown in Figure 2-2.
If an entry with both matching IP and MAC addresses is found, the ARP packet is considered valid and can pass the detection.
It resides at one end of a LAN segment and is authenticated by Device at the other end of the LAN segment.
Client is usually a user-end device such as a PC.
Each port can be regarded as a unity of two logical ports: a controlled port and an uncontrolled port.
Any packets arriving at the port are visible to both of the logical ports.
Length: Length of the data, that is, length of the Packet body field, in bytes.
If the value of this field is 0, no subsequent data field is present.
Packet body: Content of the packet.
The format of this field depends on the value of the Type field.
The String field can be up to 253 bytes long.
If the EAP packet is longer than 253 bytes, it can be fragmented and encapsulated into multiple EAP-Message attributes.
In this mode, EAP packets are carried in an upper layer protocol, such as RADIUS, so that they can go through complex networks and reach the authentication server.
In EAP relay mode, a client must use the same authentication method as that of the RADIUS server.
On the device, however, you only need to enable EAP relay.
The default VLAN ID of the port is that of the assigned VLAN.
Note that if the Hybrid port is.
With a Hybrid port, you cannot configure an assigned VLAN to carry tags after the VLAN has been assigned.
ACL assignment ACLs provide a way of controlling access to network resources and defining access rights.
Click the expansion mark + before Advanced to display the complete 802.
In the Ports With 802.
Port Only ports not enabled with 802.
Select the authentication method as CHAP.
Click Apply to finish the operation.
Enable and configure 802.
In the Ports With 802.
The RADIUS server configuration page appears.
Figure 1-15 RADIUS authentication server configuration Perform the following configurations as shown in Figure 1-15.
Select Authentication Server as the server type.
Click Apply to finish the operation.
Configure the scheme used for communication between the device and the RADIUS servers.
Select the RADIUS Setup tab to enter the RADIUS parameter configuration page.
The domain setup page appears.
Perform the following configurations as shown in Figure 1-18.
Figure 1-18 Create an ISP domain Enter test in the Domain Name textbox.
Select Enable to use the domain as the default domain.
A configuration progress dialog box appears, as shown in Figure 1-20.
Figure 1-20 Configuration progress dialog box After the configuration process is complete, click Close.
An FTP server is on the Internet, and its IP address is 10.
Configure the authentication server to assign ACL 3000.
Omitted Configure the RADIUS scheme system Configure the RADIUS authentication server.
The RADIUS server configuration page appears.
Figure 1-24 RADIUS authentication server configuration Perform the following configurations as shown in Figure 1-24.
Click Apply to finish the operation.
Configure the scheme to be used for communication between the switch and the RADIUS servers.
Select the RADIUS Setup tab to enter the RADIUS parameter configuration page.
Configure the AAA authentication method for the ISP domain.
Select the Authentication tab.
Figure 1-28 Configure the AAA authentication method for the ISP domain Perform the following configurations as shown in Figure 1-28.
Select system from the Name drop-down list to use it as the authentication scheme.
The configuration progress dialog box appears, as shown in Figure 1-29.
Figure 1-32 Create ACL 3000.
Select Deny as the operation action.
In the IP Address Filter area, select the Destination IP Address check box, and enter 10.
Figure 1-34 Global 802.
Configuration verification After the user passes authentication and gets online, use the ping command to test whether Увидеть больше 3000 takes effect.
The ping page appears.
For the NAS, each user belongs to an ISP domain.
If a user does not provide the ISP domain name, the system considers that the user belongs to the default ISP domain.
Methods for the ISP of users.
Domain By default, all types of users use local accounting.
The Domain Setup page appears, as shown in Figure 1-2.
Table 1-3 Authentication method configuration items Item Description Select an ISP Select the ISP domain for which you want to specify authentication methods.
Figure 1-4 Authorization method configuration page Table 1-4 describes the configuration items for configuring the authorization methods for an ISP domain.
Figure 1-5 Accounting method configuration page Table 1-5 describes the configuration items for configuring the accounting methods for an ISP domain.
Figure 1-6 Network diagram for AAA configuration example Configuration procedure Enable the Telnet server function, and configure the switch to use AAA for Telnet users.
The configuration steps are omitted.
Configure IP addresses for the interfaces.
Figure 1-7 Configure a local user Enter telnet as the username.
Select Management as the access level.
Configure the ISP domain to use local authentication.
Configure the ISP domain to use local authorization.
A configuration progress dialog box appears.
After the configuration process is complete, click Close.
Now, if you telnet to the switch and enter username telnet test and password abcd, you should be serviced as a user in domain test.
It uses UDP port 1812 for authentication and 1813 for accounting.
The user accesses the network resources.
The host requests the RADIUS client to tear down the connection and the RADIUS client sends a stop-accounting request Accounting-Request to the RADIUS server.
RADIUS Packet Format RADIUS uses UDP to transmit messages.
It ensures the smooth message exchange between the RADIUS server and the client through a series of 5, including the timer management mechanism, retransmission mechanism, and slave server mechanism.
Bytes beyond the length are considered the padding and are neglected upon reception.
If the length of a received packet is less than that indicated by the Length field, the packet is dropped.
The Authenticator field 16-byte long is used to authenticate replies from the RADIUS server, and is also used in the password hiding algorithm.
Attribute 26 Vender-Specific defined by RFC 2865 allows a vender to define extended attributes to implement functions that the standard RADIUS protocol does not provide.
A vendor can encapsulate multiple type-length-value TLV sub-attributes in RADIUS packets for extension in applications.
Its most significant byte is 0 and the other three bytes contain a code complying with RFC 1700.
Vendor-Type: Indicates the type of the sub-attribute.
Vendor-Length: Indicates the length of the sub-attribute.
The RADIUS server configuration page Figure 1-5.
Return to RADIUS configuration task list.
It is recommended to use a loopback interface NAS-IP address instead of a physical interface address as the source IP address, because if the physical interface is down, the response packets from the server cannot reach the device.
Set the real-time accounting interval, whose value must be n times 3 n is an integer.
To implement real-time accounting on users, it is necessary to set the real-time accounting interval.
Select active as the primary server status.
Configure the parameters for communication between the switch and the RADIUS servers.
Select the RADIUS Setup tab and perform the following configurations, as shown https://xn--80afh5adm3cyc.xn--p1ai/asus/planshet-asus-transformer-pad-tf103c-16gb-dock.html Figure 1-10.
Select the Authentication Server Shared Key check box and enter expert in the text box.
Enter expert in the Confirm Authentication Shared Key text box.
Select the Accounting Server Shared Key check box and enter expert in the text box.
Select the Default AuthN checkbox and then select RADIUS as the authentication mode.
Select system from the Name drop-down list to use it as the authentication scheme.
A configuration progress dialog box appears, as shown in Figure 1-13.
Select the Default AuthZ checkbox and then select RADIUS as the authorization mode.
Select system from the Name drop-down list to use it as the authorization scheme.
A configuration progress dialog box appears.
If the iMC server is used as the RADIUS server, it is necessary to configure accounting as optional for users in the ISP 5 because the iMC server does not respond to accounting packets.
Then, click Add to enter the user group 5 />Specify the ACL to be used by the access device to control the access of users of the user group after the users pass authentication.
Specify the user profile for the user group.
This manual involves two types of N751JM Ноутбук ASUS local certificate and CA certificate.
A local certificate is a digital certificate signed by a CA for an entity, while a CA certificate, also known as a root certificate, is signed by the CA for itself.
A certificate authority CA is a trusted authority responsible for issuing and managing digital certificates.
The following describes how it works: An entity submits a certificate request to the CA.
A certificate is the binding of a public key and an entity, where an entity is the collection of the identity information of a user.
A CA identifies a certificate Creating a PKI applicant by entity.
A certificate is the binding of a public key and an entity, where an entity is the Creating a PKI collection of the identity information of a user.
A CA identifies a certificate Entity applicant by entity.
The PKI entity list page is displayed by default, as shown in Figure 1-2.
Click Add on the page to enter the PKI entity configuration page, as shown in Figure 1-3.
Type the fully qualified domain name FQDN for the entity.
An FQDN is a unique identifier of an entity on the network.
It consists of a host FQDN name and a domain name and can be resolved to an IP address.
In offline mode, this item is optional; while in other modes, this item is required.
Select the local PKI entity.
When submitting a certificate request to a CA, an entity needs to show its Entity Name identity information.
The entity will submit the certificate request to the server at this URL through the SCEP protocol.
The SCEP protocol is intended for communication between an entity and an authentication authority.
Requesting URL In offline mode, this item is optional.
Then, click Create Key to enter RSA.
To do so, you can use two ways: online and offline.
In offline mode, you need to retrieve a certificate by an out-of-band means like FTP, disk, e-mail and then import it into the local PKI system.
If the certificate file is saved on a local PC, select Get File From PC and.
Get File From PC then specify the path to the file and select the partition of the device for saving the file.
Click Request Cert to enter the local.
Figure 1-13 CRL page Click Retrieve CRL to retrieve the CRL of a domain.
In this example, you need to configure the basic attributes of Nickname and Subject DN on the CA server at first: Nickname: Name of the trusted CA.
Configure Switch Create a PKI entity.
The PKI entity list page is displayed by default.
A dialog box appears, asking "Fingerprint of the root certificate not specified.
No root certificate validation will occur.
Generate an RSA key pair.
Figure 1-20 Certificate list Figure 1-21 Generate an RSA key pair Click Apply to generate an RSA key pair.
Select CA as the certificate type.
Request a local certificate.
Select the Certificate по этому сообщению, and then click Request Cert, as shown in Figure 1-24, and then perform the following configurations as shown in Figure 1-25.
The SCEP plug-in is required when you use the Windows Server as the CA.
In this case, you need to specify RA as the authority for certificate request when configuring the PKI domain.
It is required that Host A, Host B, and Host C can access the Internet while being isolated from one another.
Figure 1-2 Networking diagram for port isolation group configuration.
The page shown in Figure 1-4 appears.
Only the clients that pass the ACL filtering can access the device.
Figure 1-2 Network diagram for authorized IP Configuration procedure Create an ACL.
Select 2001 for IPv4 ACL in the Web HTTP field.
An ACL is a set of rules or a set of permit or deny statements for determining which packets can pass and which ones should be rejected based on matching criteria such as source address, destination address, and port number.
ACL rules that do not contain this keyword is applicable to both non-fragment packets and fragment packets.
If the ACL has no rule defined already, the first defined rule will get a number of 0.
Figure 1-1 The page for creating a time range Table 1-4 describes the configuration items for creating a нажмите чтобы увидеть больше range.
Figure 1-2 The page for creating an IPv4 ACL Table 1-5 describes the configuration items for перейти на страницу an IPv4 ACL.
Table 1-6 Configuration items for a basic IPv4 ACL rule Item Description Select the basic IPv4 ACL for which you want to configure rules.
Table 1-7 Configuration items for an advanced IPv4 ACL rule Item Description Select the advanced IPv4 ACL for which you want to configure rules.
Select Access Control List ACL Available ACLs are advanced IPv4 ACLs that have been configured.
Table 1-8 Configuration items for an Ethernet frame header IPv4 ACL адрес />When modifying a rule of such an ACL, you may choose to change just some of the settings, in which case the other settings remain the same.
All packets share the resources of the network and devices.
How many resources the packets can obtain completely depends on the time they arrive.
This service is called best-effort.
The packet flows enter a device from several incoming interfaces and are forwarded out an outgoing interface, whose rate is smaller than the total rate of these incoming interfaces.
The remaining two bits 6 and 7 are reserved.
AF traffic exceeding the limit is degraded to the BE class.
Currently, all IP network traffic belongs to this class by default.
Table 2-3 presents the values for 802.
It sends packets in the queue with the highest priority first.
When the queue with the highest priority is empty, it sends packets in the queue with the second highest priority, and so on.
Thus, you can assign.
On a 100 Mbps port, you can set the weight values of WRR queuing to 50, 30, 10, 10, 50, 30, 10, and 10 corresponding to w7, w6, w5, w4, w3, w2, w1, and w0 respectively.
CoS to Queue: 802.
DSCP to CoS: DSCP-to-802.
DSCP to DSCP: DSCP-to-DSCP mapping table, which is applicable to only IP packets.
DSCP to Queue: DSCP-to-local-precedence mapping table, which is applicable to only IP packets.
Applies a QoS policy to a port to regulate the inbound traffic of the port.
A QoS policy can be applied to multiple ports.
Only one policy can be applied in inbound direction of a port.
Therefore, associating a class that 5 already associated with a traffic behavior will overwrite the old association.
Figure 2-12 The page for configuring classification rules.
A rule to match a source MAC address is significant only to Ethernet interfaces.
Define a rule to match a destination MAC address.
Figure 2-13 The page for creating a traffic behavior Table 2-13 describes the configuration items of creating a behavior.
Figure 2-15 The page for setting a traffic behavior Table 2-15 describes the configuration items of configuring other actions for a traffic behavior.
Return to QoS policy configuration task list.
Figure 2-19 The page for configuring queue scheduling.
Select the queue to be configured.
Queue Its value range is 0 to 7, but only 0 to Купальник MC2 Saint Barth is user configurable and 4 to 7 are reserved.
Specify the group the current queue is to be assigned to.
You can select one or more ports.
Return to Line rate configuration task list.
Click the icon corresponding to a port to enter the page shown in Figure 2-24.
Priority Set a local precedence value for the port.
Select a priority trust mode for the port, which can be Untrust: where packet priority is not trusted.
CoS: where the 802.
Configure an ACL and a QoS policy as follows to prevent the hosts from accessing the FTP server from 8:00 to 18:00 every day: Create an ACL to prohibit the hosts from accessing the FTP server from 8:00 to 18:00 every day.
Select the Periodic Time Range option, set the Start Time to 8:00 and the End Time to 18:00, and then select the checkboxes Sun through Sat.
Define an ACL rule for traffic to the FTP server.
Perform configuration as shown in Figure 3-4.
Select Permit in the Operation drop-down list.
Select the Destination IP Address option, and type IP address 10.
Select test-time in the Time Range drop-down list.
Perform configuration as shown Figure 3-5.
Figure 3-5 Create a class Type the class name class1.
Perform configuration as shown in Figure 3-6.
Select the ACL IPv4 option, and select ACL 3000 in the following drop-down list.
A configuration progress dialog box appears, as shown in Figure.
Create a traffic behavior.
Perform configuration as shown Figure 3-8.
Figure 3-8 Create a traffic behavior Type the behavior name behavior1.
A configuration progress dialog box appears.
After the configuration is complete, click Close on the dialog box.
Perform configuration 5 shown in Figure.
Perform configuration as shown in Figure.
Select Inbound in the Direction drop-down list.
A configuration progress dialog box appears.
A PSE is a device supplying power for PDs.
A PSE can be built-in Endpoint or external Midspan.
A built-in PSE is integrated in a switch or router, and an external PSE is independent from a switch or router.
You are allowed to enable PoE for a PoE port if the PoE port will not result in PoE power overload; otherwise, you are not allowed to enable PoE for the PoE port.
The upper part of the page displays the PSE summary; Click a port on the chassis front panel, the configuration and power Figure 1-3.
The power supply priority of IP telephones is higher than that of AP; therefore, the PSE supplies power to IP telephones first when the PSE power is overloaded.
Select Enable from the Power State drop-down list.
Select 5 check box before Power Max and type 9000.
After the configuration takes effect, the IP telephones and AP are powered and can work normally.

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