Table of Contents

Chapter 1 HGMP V1 Configuration. 1-1

1.1 HGMP V1 Overview. 1-1

1.2 HGMP Server Configuration. 1-2

1.2.1 Enabling HGMP Server on a Management Device. 1-2

1.2.2 Upgrading Software on a Switch through the Management Device. 1-4

1.2.3 Saving Configuration Information about Connected Switches. 1-6

1.2.4 Setting the State and Alias of a Switch. 1-6

1.2.5 Configuring a Specific Low-End Switch through the Management Device. 1-7

1.3 Displaying and Debugging HGMP Server 1-13

1.4 HGMP V1 Configuration Example. 1-13

Chapter 2 NDP Configuration. 2-1

2.1 Introduction to NDP. 2-1

2.2 NDP Configuration Task List 2-2

2.2.1 Enabling NDP in the System.. 2-2

2.2.2 Configuring NDP on a Port 2-3

2.2.3 Configuring the Aging Timer for NDP Information. 2-3

2.2.4 Configuring the Interval to Send NDP Packets. 2-3

2.3 Displaying and Maintaining NDP. 2-4

2.4 NDP Configuration Example. 2-4

 

Chapter 1  HGMP V1 Configuration

When configuring HGMPv1, go to these sections for information you are interested in:

l           HGMP V1 Overview

l           HGMP Server Configuration

l           Displaying and Debugging HGMP Server

l           HGMP V1 Configuration Example

1.1  HGMP V1 Overview

Huawei Group Management Protocol (HGMP) functions in the following two ways: Enables management devices to administrate switches in a centralized way. Operations such as switch registering, software upgrading, configuration querying and setting, and rebooting can be performed uniformly. It allows switch cascading, that is, a switch can communicate with the management devices through another switch.

HGMP has two versions: HGMP V1 and HGMP V2.

l           HGMP V1 is mainly applied in network environments where networking and services are simple to provide a convenient management mode.

l           HGMP V2 is mainly applied in complicated network environments to provide more diversified, flexible, and personalized services. It features convenient networking, flexible management, abundant functions, and high reliability.

l           Cluster members managed by HGMP V2 must support the layer 3 protocol stack. Those cluster members that do not support the layer 3 protocol stack can be managed by HGMP V1 only.

l           HGMP V1 is implemented by HGMP Server and HGMP Client. An HGMP Server resides on a management device. It provides a command interface for users and is in charge of displaying maintenance commands. It also provides specific data structures to store the information about the switches attached to it. HGMP Client responds to the maintenance and query commands issued by the management device and operates accordingly. It also maintains the communication with the management device.

HGMP V1 can be implemented as follows:

l           Use a H3C S9500 series routing switch as the HGMP Server, with switches attached to it as the HGMP Clients.

l           Use S2403F or S2008B/S2016B/S2026B/S3026 switches as the HGMP Clients, other switches as the HGMP Servers. Figure 1-1 shows the diagram of a typical network that employs HGMP V1 in this way.

Figure 1-1 Diagram of a network that employs HGMP V1

 

 

1.2  HGMP Server Configuration

This section covers these topics:

l           Enabling HGMP Server on a Management Device

l           Upgrading Software on a Switch through the Management Device

l           Saving Configuration Information about Connected Switches

l           Setting the State and Alias of a Switch

l           Configuring a Specific Low-End Switch through the Management Device

1.2.1  Enabling HGMP Server on a Management Device

 

 

Perform the following configuration to enable HGMP Server on a management device:

To do…	Use the command…	Remarks
Enable HGMP Server globally and enter HGMP view.	hgmpserver enable	Available in system view
Disable HGMP Server globally	hgmpserver disable	Available in system view
Restore the default global HGMP Server configuration	undo hgmpserver	Available in system view
Enable HGMP on the port	hgmpport enable	Available in Ethernet port view
Disable HGMP on the port	hgmpport disable	Available in Ethernet port view
Configure the switches connected to the port to be organized in star topology.	spanning-hub { enable | disable } slotno subslot port-list	Available in HGMP view
Display the information about the star-type network mode of the port.	query hgmpport-mode	Available in HGMP view

 

To implement HGMP, you must enable HGMP globally first, and then enable HGMP on the port.

To manage cascaded switches, use the spanning-hub { enable | disable } slotno subslot port-list command on the corresponding ports of the management device.

An HGMP Server maintains each switch by its lanswitch-loc number. A lanswitch-loc number comprises slot number, subslot number, port number and sequence number (for example 3/1/3-/). However, this number cannot indicate the actual physical position of a switch in a star network topology. A lanswitch-loc number is in the form of slot/subslot/port-/p1/p2/, among which:

port is a port number on the management device that the switch is connected to.

p1 is a port number on the layer 1 switch that the switch is connected to.

p2 is a port number on the layer 2 switch that the switch is connected to.

For example, lanswitch-loc of 3/1/3-/ identifies a layer 1 switch directly connected to the port 3 on subslot 1 of slot 3 of the management device.

Whereas 3/1/3-/2/ identifies a layer 2 switch connected to port 2 of layer 1 switch. Its root node is the 3/1/3 port of the management device.

A value of 3/1/3-/2/1/ identifies a Layer 3 switch connected to port 1 of a Layer 2 switch. Its root node is the 3/1/3 port of the management device.

1.2.2  Upgrading Software on a Switch through the Management Device

With HGMP employed, you can use the HGMP Server to upgrade the software run on the switches connected to the HGMP Server.

I. Downloading the upgrade program to the flash memory of the management device

Note that: Do not try to download the upgrade program using Boot ROM menu items when the management device starts, instead, you need to download the upgrade program to the flash memory of the management device using FTP or TFTP services after the management device starts.

Following is an example to download upgrade program using TFTP with the assumption that:

l           The serial port of the computer that is used to configure the management device locally is connected to the Console port of the management device.

l           The network adapter of the computer is connected to an Ethernet port of the management device.

l           Run TFTP Server on the computer to enable the management device, which operates as a TFTP Client, to download the upgrade program.

l           The computer and the management device are in the same network segment.

Perform the following configuration to download a file using TFTP on the management device:

To do…	Use the command…	Remarks
Download files using TFTP	tftp tftp-server get source-file [ dest-file ]	Available in user view

 

Substitute the tftp-server argument with the IP address or host name of the TFTP server, the source-file argument with the name of the file to be downloaded, and the dest-file argument with the file name to save the downloaded file as. For more information about the tftp get command, refer to the corresponding description in the command manual..

II. Downloading the upgrade program from the flash memory of the management device to the upgrade memory section

Perform the following configuration to load the upgrade program to the upgrade memory section of the management device:

To do…	Use the command…	Remarks
Load the upgrade program for the switch to upgrade memory section of the management device	load lswprogram filename	Available in HGMP view

 

Substitute the filename argument with the file name of the upgrade program in the Flash memory.

III. Upgrading a specified switch

When upgrading the software running on a switch, you need to provide position information about the switch. You can use the display lanswitch all command to acquire the position parameters of a registered switch.

Perform the following configuration to upgrade a specified switch:

To do…	Use the command…	Remarks
Upgrade a specified switch	upgrade lanswitch lanswitch-loc { app | bootrom }	Available in HGMP view
Display the information about a registered switch	display lanswitch { all | port slot subslot port | position lanswitch-loc } [ error ] [ inactive ]	Available in any view

 

Substitute the lanswitch-loc argument with the position information of the desired switch in the form of those described in section Enabling HGMP Server on a Management Device, such as 3/1/1-/.

IV. Rebooting the connected switch to make the upgrade take effect

To do…	Use the command…	Remarks
Reset a specified switch	reset lanswitch lanswitch-loc	Available in HGMP view

 

Make sure the specified switch have enough free flash memory to hold the upgrade program.

V. Deleting a upgrade program from the management device

As a management device has limited flash memory, you need to delete an upgrade program after finishing upgrading a switch using it to make room for other upgrade programs.

Perform the following configuration to delete an upgrade program from the management device:

To do…	Use the command…	Remarks
Delete a upgrade program from the management device	delete [ /unreserved ] file-url	Available in user view

 

For more information about the delete command, refer to File System Management Commands.

1.2.3  Saving Configuration Information about Connected Switches

Perform the following configuration to save configuration information about the managed switches into the management device:

To do…	Use the command…	Remarks
Save the configuration information of a specified switch to the memory of the management device.	save lswconfig lanswitch-loc	Available in HGMP view
Save the configuration information of a specified switch to the flash memory.	backup lswconfig	Available in HGMP view

 

Configuration information about a specified switch that is saved to the memory of the management device using the save lswconfig command gets lost after you reboot the management device.

The backup lswconfig command saves the configuration information collected by the save lswconfig command to the flash memory. As data saved in the flash memory does not get lost even if the management device is rebooted. Therefore, with its configuration information saved in the flash memory, you can quickly restore the operating state of a switch using its configuration information in the case of switch resetting.

# Save the configuration information about the Ethernet switch directly connected to the 1/1/20-/ port to the memory.

[H3C-hgmp] save lswconfig 1/1/20-/

  Waiting........

# Write the configuration information saved in the memory to the flash memory.

[H3C-hgmp] backup lsw

 Writing lanswitch configuration to flash......

1.2.4  Setting the State and Alias of a Switch

Contrary to the fact that HGMP identifies switches using their position parameters, it is impossible for users to locate a managed switch by its position parameter. An intuitive alternative is, to set aliases for switches using the set lswname command.

In addition, you can set the state of a managed switch to be active or inactive on the management device.

Perform the following configuration to set the state and alias of a managed switch:

To do…	Use the command…	Remarks
Set the state of a specified switch	set lanswitch lanswitch-loc { inactive | active }	Available in HGMP view
Configure an alias for an switch	set lswname lanswitch-loclist name-list	Available in HGMP view
Remove a configured alias	undo set lswname lanswitch-loclist	Available in HGMP view

 

Save the configuration information to the flash memory of the management device using the backup lswconfig command.

1.2.5  Configuring a Specific Low-End Switch through the Management Device

S2008B/S2016B/S2026B and S2403F switches are all low-end switches. After enabling HGMP Server on the management device and HGMP Client on these low-end switches, you can manage the connected low-end switches through the management device.

Using HGMP, you can configure any connected low-end switch by configuring the management device. You can perform the following configuration on the management device to configure the connected low-end switches: port rate configuration, port aggregation configuration, VLAN configuration, address table configuration, VLAN management configuration, and so on.

I. Specifying default configuration settings

These operations are applicable to S2008B/S2016B/S2026B/S3026 switches.

You can specify the configuration of a switch, such as port rate, flow control, duplex settings and tag status of the port, to be the default configuration settings and apply it to all switches that are of the same model, through which you can have other switches automatically configured using the auto config command.

Perform the following configuration to specify default configuration settings:

To do…	Use the command…	Remarks
Specify the configuration of a switch to be the default configuration settings	set lswconfig lanswitch-loc asdefault	Available in HGMP view

 

To configure a switch, you need to enter the configuration view of the switch on the management device first.

Perform the following configuration on the management device to enter the configuration view of a specified switch:

To do…	Use the command…	Remarks
Enter the configuration view of a specified switch	lanswitch lanswitch-loc	Available in HGMP view

 

You can configure port rate, port aggregation, VLAN, and so on for a specified switch on the management device only after you enter the configuration view of the specified Ethernet switch on the management device.

II. Performing port, VLAN and other configurations for a specified switch

These operations are applicable to S2008B/S2016B/S2026B/S3026 switches.

Perform the following configuration for a specified switch on the management device:

To do…	Use the command…	Remarks
Aggregate multiple ports to one port	set link-aggregation port-list { sa | dasa } groupid	Available in lanswitch view
Disable the address learning function of the port of the switch	lock port port-list	Available in lanswitch view
Query address aged time of the switch	query address agedtime	Available in lanswitch view
Query gateway IP address of the switch	query gatewayip	Available in lanswitch view
Query manage IP address of the switch	query manageip vlan-id	Available in lanswitch view
Query lock state of the port of the switch	query port lockstate	Available in lanswitch view
Query system information of the switch	query system info	Available in lanswitch view
Query VDSL link rates of the port	query vdsllink [ port-list ]	Available in lanswitch view
Query VLAN state information of the switch	query vlanstate	Available in lanswitch view
Set address aged time of the switch	set address agedtime agedtimevalue	Available in lanswitch view
Set the gateway IP address of the switch	set gatewayip ip-address	Available in lanswitch view
Cancel the setting of gateway IP address of the switch	undo set gatewayip ip-address	Available in lanswitch view
Set the management IP address of the switch	set manageip ip-address netmask [ vlan-id ]	Available in lanswitch view
Cancel the setting of the management IP address of the switch	undo set manageip ip-address netmask [ vlan-id ]	Available in lanswitch view
Set the VDSL link rates of the port of the switch	set vdsllink port-list uprate uprate-list downrate downrate-list	Available in lanswitch view
Query how ports are aggregated	query link-aggregation	Available in lanswitch view
Configure the port tag status, and the relationship between switch ports and VLANs.	set port port-list vlanid vlan-id-list [ tagged | untagged ]	Available in lanswitch view
Set flow control configuration for ports	flow port port-list { both | none }	Available in lanswitch view
Set duplex state for ports	duplex port port-list { auto | half | full }	Available in lanswitch view
Set port rate for ports	speed port port-list { auto | 10m | 100m }	Available in lanswitch view
Close specified switch ports	close port port-list	Available in lanswitch view
Enable specified switch ports	undo close port port-list	Available in lanswitch view
Query port states of specified ports	query port port-list	Available in lanswitch view
Set port mirroring	set mirror monitor-port monitor-port [ port-list ]	Available in lanswitch view
Cancel port mirroring configuration	undo set mirror	Available in lanswitch view
Query information about port mirroring	query mirror	Available in lanswitch view
Set loopback test for specified ports	set loop-test { internal | external } port-list	Available in lanswitch view
Configure the switch to use the default configuration	auto config default port-start-vlanid	Available in lanswitch view
Set the priority for specified ports	set priority { high | low } port-list	Available in lanswitch view
Set the QoS weight for the ports with high priority	set qos-weight weight	Available in lanswitch view
Cancel the QoS weight configured for the ports with high priority	undo set qos-weight	Available in lanswitch view
Set attributes for specified VLAN	set vlanid vlanid port-list	Available in lanswitch view
Restore the default VLAN attributes	undo set vlanid vlanlist	Available in lanswitch view
Query the rmon statistics of the switch	query rmon port port-list { forward | trans |recv | err | all }	Available in lanswitch view
Set a password	set superview-password password	Available in lanswitch view
Cancel the password	undo set superview-password	Available in lanswitch view
Set a domain name for the switch	set sysname name-word	Available in lanswitch view
Save or remove the configuration file	set config-flash { write | erase }	Available in lanswitch view
Query the current configuration of switch	query active-configuration	Available in lanswitch view
Query the configuration information saved on the switch	query saved-configuration	Available in lanswitch view

 

You can use the auto config command to configure specified ports with the default configuration settings, such as port rate, flow control, duplex state, and tag state. When executing the auto config command, you must provide the port-start-vlanid argument to specify the starting VLAN ID of the specified port, through which you can add multiple ports to one VLAN.

You can perform these configurations locally. Refer to the corresponding operation manual of the switch you are configuring for more information.

III. Configuring the address table for a specified switch

The configuration is applicable to S2008B/S2016B/S2026B/S3026 switches.

Perform the following configuration to configure the address table for the S2008B/S2016B/S2026B/S3026 switch on the management device:

To do…	Use the command…	Remarks
Add an address entry	add addritem mac-addr { unicast port [ aged | noaged | permanent ] | multicast vlanid port-list mctype }	Available in lanswitch view
Remove a multicast address entry	delete multicast mac-addr vlanid vlanid	Available in lanswitch view
Remove an unicast address entry	delete uniaddr mac-addr	Available in lanswitch view
Modify a multicast address entry	modify multiaddr mac-addr vlanid port-list mctype	Available in lanswitch view
Modify an unicast address entry	modify uniaddr mac-addr { aged | noaged | permanent }	Available in lanswitch view
Search specified multicast addresses in the address table	search multiaddr mac-addr-list vlanid vlanid-list	Available in lanswitch view
Search specified unicast addresses in the address table	search uniaddr mac-addr-list	Available in lanswitch view
Display the unicast address entries of a specified port	query uniaddr port spec-port index shownum	Available in lanswitch view
Display the multicast address entries in a specified VLAN	query multiaddr vlanid vlanid	Available in lanswitch view
Query the number of the occupied address entries	query used addrnum	Available in lanswitch view
Query the current configuration of the connected switches	query active-configuration	Available in lanswitch view
Query the startup configuration of the connected switches	query saved-configuration	Available in lanswitch view

 

You can also perform these configurations locally. Refer to the operation manual of the switch you are configuring for more information.

IV. Configuring an S2403F switch

Perform the following configuration on the management device to configure an S2403F switch:

To do…	Use the command…	Remarks
Configure the switch using the default configuration settings	auto config default port-start-vlanid	Available in lanswitch view
Display the management IP address and subnet mask of the switch and the IP address of the default gateway	query ip address	Available in lanswitch view
Set or remove the management IP address and subnet mask of the switch and the IP address of the default gateway	set ip address ip-address mask [ gateway-address ]	Available in lanswitch view
Set the management MAC address for the switch	set mac mac-address	Available in lanswitch view
Configure the port tag status, and the relationship between switch ports and VLANs	set port port-list vlanid vlan-id-list [ tagged | untagged ]	Available in lanswitch view
Set the VLAN data of the Ethernet switch	set vlan vlan-index-list { vlanid vlan-id-list [ port-list ] | broadcast port-list [ vlan-id-list ] }	Available in lanswitch view
Set working mode for specified ports of the Ethernet switch	set workmode port-list { auto | 10m-full | 10m-half | 100m-full | 100m-half }	Available in lanswitch view
Allow the specified port self loopback	loop port port-list	Available in lanswitch view
Prohibit the specified port self loopback	undo loop port port-list	Available in lanswitch view
Close specified switch ports	close port port-list	Available in lanswitch view
Enable specified switch ports	undo close port port-list	Available in lanswitch view

 

You can use the auto config command to configure specified ports with the default configuration settings, such as port rate, flow control, duplex state, and tag state. When executing the auto config command, you must provide the port-start-vlanid argument to specify the starting VLAN ID of the specified port, through which you can add multiple ports to one VLAN.

You can perform these configurations locally. Refer to the corresponding operation manual of the switch you are configuring for more information.

1.3  Displaying and Debugging HGMP Server

To do…	Use the command…	Remarks
Display information about the HGMP server	display hgmpserver	Available in any view
Display current operating information about HGMP	display current-configuration	Available in any view
Enable/Disable debugging for HGMP Server	[ undo ] debugging hgmps { all | error | info | packet }	Available in user view

 

1.4  HGMP V1 Configuration Example

I. Network requirements

Switch A serves as the management device. Switch B and Switch C are connected to the Ethernet 1/1/1 port and Ethernet 1/1/2 port of Switch A.

II. Network diagram

Figure 1-2 Network diagram for HGMP group management

III. Configuration procedure

# Enable HGMP Client on Switch B (refer to the command manual and operation manual of Switch B for detailed instructions).

The following is only an example. The actual configuration varies with switch model and the network circumstances.

# Enable HGMP Server on Switch A.

[H3C] hgmpserver enable

Start HGMP protocol successfully!

[H3C-hgmp] spanning-hub enable 1 1 1-2

[H3C-hgmp] quit

[H3C] interface ethernet 1/1/1

[H3C-Ethernet1/1/1] hgmpport enable

[H3C-Ethernet1/1/1] interface ethernet 1/1/2

[H3C-Ethernet1/1/2] hgmpport enable

# Use the display command to display the information about the switches registered with Switch A, through which you can obtain position parameters of each switch.

<H3C> display lanswitch all

Lanswitch list.........

 

 ------------------

   No. 1

 ------------------

           Position        : LANSWITCH[1/1/1-/1/]

            PortMode        : STAR_MODE

            Lanswitch Name  : lan1

            Model           : H3C S2008

            Device ID       : Vc.3.2

            MacAddr         : 00e0-fc2d-1f9c

            Status          : NORMAL

 

 ------------------

   No. 2

 ------------------

            Position        : LANSWITCH[1/1/2-/1/]

            PortMode        : STAR_MODE

            Lanswitch Name  : lan2

            Model           : H3C S2026B

            Device ID       : V10.30.1

            MacAddr         : 00e0-fc26-dfb7

            Status          : NORMAL       

# Set an alias for the switch 1/1/1-/ on the management device.

[H3C-hgmp] set lswname 1/1/1-/ switch1

# Set duplex state to auto for port 1 of Switch B on the management device.

[H3C-hgmp] lanswitch 1/1/1-/

[H3C-lanswitch1/1/1-/] duplex port 1 auto

# Set duplex state to auto for port 1 of Switch C on the management device.

[H3C-hgmp] lanswitch 1/1/2-/1/

[H3C-lanswitch1/1/2-/1/] duplex port 1 auto

 

Chapter 2  NDP Configuration

When configuring NDP, go to these sections for information you are interested in:

l           Introduction to NDP

l           Displaying and Maintaining NDP

l           NDP Configuration Example

2.1  Introduction to NDP

As part of HGMP, Neighbor Discovery Protocol (NDP) is used to discover the information about a neighbor device directly connected, including the type, software/hardware version, port connected, ID, port address, and hardware platform of the neighbor device.

A device running NDP periodically sends NDP packets to all ports with NDP enabled while receiving NDP packets from the neighbor device. The device receiving a NDP packet does not forward it, but maintains an NDP neighbor information table on the current device and stores the neighbor information carried in the NDP packets in this table. Besides neighbor device information, NDP packets contain the information about the aging timer for the NDP information, which specifies how long the NDP packets will be stored on the receiving device.

If the NDP neighbor information is not updated even after the aging timer for NDP information expires, the device automatically deletes the entry corresponding to the NDP information from the NDP neighbor information table. If the neighbor information received by the device is different from the original information, the device updates the corresponding entry in the NDP neighbor information table. If the neighbor information received by the device is the same as the original information, the device updates only the aging timer in the NDP neighbor information table.

You can also clear the current NDP information and collect NDP neighbor information again.

 

 

2.2  NDP Configuration Task List

Complete the following tasks to configure NDP:

Task	Remarks
Enabling NDP in the System	Required
Configuring NDP on a Port	Required
Configuring the Aging Timer for NDP Information	Optional
Configuring the Interval to Send NDP Packets	Optional

 

 

2.2.1  Enabling NDP in the System

To collect the NDP information sent by the neighbor device, you must enable NDP on the switch. With NDP enabled in the system, the switch periodically collects NDP information, which you can query by using the display ndp command. With NDP disabled in the system, the switch clears all NDP neighbor information stored on it but will still forwards NDP packets.

Follow these steps to enable NDP in the system:

To do…	Use the command…	Remarks
Enter system view	system-view	—
Enable NDP in the system	ndp enable [ interface port-list | all ]	By default, NDP is disabled in the system.

 

 

2.2.2  Configuring NDP on a Port

You can control the collection of neighbor device information for the specified port by enabling/disabling NDP on the port. With NDP enabled on the port and in the system, the system periodically collects the NDP neighbor information about the adjacent node of the port. With NDP disabled on the port, the system cannot collect NDP information through the port.

Follow these steps to enable NDP on a port:

To do…	Use the command…	Remarks
Enter system view	system-view	—
Enter Ethernet port view	interface interface-type interface-number	Currently, only common Ethernet interface boards and Gigabit Ethernet interface boards support NDP.
Enable NDP on the port	ndp enable	By default, NDP is disabled on a port.

 

2.2.3  Configuring the Aging Timer for NDP Information

Upon receipt of NDP packets, from the aging timer information carried in the packets, the switch can learn about the aging timer for the NDP information of the neighbor device that sent the packets and discards the NDP information of the neighbor device once the aging timer is exceeded. This configuration allows you to set the aging timer for the NDP information of the current device on the neighbor device.

Follow these steps to configure the aging timer for NDP information:

To do…	Use the command…	Remarks
Enter system view	system-view	—
Configure the aging timer for NDP information	ndp timer aging aging-in-secs	By default, the aging timer for NDP information is 180 seconds. The aging timer for NDP information must be greater than the interval at which NDP packets are sent; otherwise, the NDP information table will be unstable.

 

2.2.4  Configuring the Interval to Send NDP Packets

The NDP information of the adjacent device must be updated periodically to ensure that the switch can update the local NDP neighbor information table in time after the configuration of the adjacent device is changed. You can configure the interval to send NDP packets by using the following command.

Follow these steps to configure the interval to send NDP packets:

To do…	Use the command…	Remarks
Enter system view	system-view	—
Configure the interval at which NDP packets are sent	ndp timer hello seconds	By default, NDP packets are sent every 60 seconds. The interval at which NDP packets are sent must be less than the aging timer for NDP information. Otherwise, the NDP information table will be unstable.

 

2.3  Displaying and Maintaining NDP

To do…	Use the command…	Remarks
Display the NDP configuration of the system (including the interval at which packets are sent and the aging timer for NDP information	display ndp	Available in any view
Display the NDP neighbor information of the specified port	display ndp interface port-list	Available in any view
Clear the statistics of an NDP-enabled port	reset ndp statistics [ interface port-list ]	Available in user view

 

2.4  NDP Configuration Example

I. Network requirements

l           Switch A, Switch B, and Switch C are interconnected.

l           Ethernet 1/1/1 on Switch A is connected to Ethernet 1/1/1 on Switch B and Ethernet 1/1/2 on Switch A is connected to Ethernet 1/1/1 on Switch C.

l           The information of the neighbor switches Switch B and Switch C that are connected to Switch A should be visible to Switch A through NDP configuration.

II. Network diagram

Figure 2-1 Network diagram for NDP configuration

III. Configuration procedure

1)         Configure Switch A.

# Enable NDP in the system and on Ethernet 1/1/1 and Ethernet 1/1/2.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] ndp enable

[H3C] interface ethernet 1/1/1

[H3C-Ethernet1/1/1] ndp enable

[H3C-Ethernet1/1/1] quit

[H3C] interface ethernet 1/1/2

[H3C-Ethernet1/1/2] ndp enable

# Configure the aging timer for NDP information as 200 seconds.

[H3C-Ethernet1/1/2] quit

[H3C] ndp timer aging 200

# Configure NDP packets to be sent every 70 seconds.

[H3C] ndp timer hello 70

2)         Configure Switch B (Configure Switch C in a similar way).

# Enable NDP on the device and Ethernet 1/1/1.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] ndp enable

[H3C] interface ethernet 1/1/1

[H3C-Ethernet1/1/1] ndp enable