722 CHAPTER 60: NDP CONFIGURATION
■ 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.
Network diagram
Figure 170 Network diagram for NDP configuration
Configuration procedure
1 Configure Switch A.
# Enable NDP in the system and on Ethernet 1/1/1 and Ethernet 1/1/2.
<SW8800> system-view
System View: return to User View with Ctrl+Z.
[SW8800] ndp enable
[SW8800] interface ethernet 1/1/1
[3Com-Ethernet1/1/1] ndp enable
[3Com-Ethernet1/1/1] quit
[SW8800] interface ethernet 1/1/2
[3Com-Ethernet1/1/2] ndp enable
# Configure the aging timer for NDP information as 200 seconds.
[3Com-Ethernet1/1/2] quit
[SW8800] ndp timer aging 200
# Configure NDP packets to be sent every 70 seconds.
[SW8800] ndp timer hello 70
2 Configure Switch B (Configure Switch C in a similar way).
# Enable NDP on the device and Ethernet1/1/1.
<SW8800> system-view
System View: return to User View with Ctrl+Z.
[SW8800] ndp enable
[SW8800] interface ethernet 1/1/1
[3Com-Ethernet1/1/1] ndp enable
n
After the above-mentioned configuration, you can view the information about the
neighbor switch connected to the port by issuing the display ndp interface
port-list command on Switch A.
Ethernet 1/1/1
Sw itc h A
Ethernet 1/1/2
Sw itc h B Sw itc h C
Ethernet 1/1/1 Ethernet 1/1/1
Ethernet 1/1/1
Sw itc h A
Ethernet 1/1/2
Sw itc h B Sw itc h C
Ethernet 1/1/1 Ethernet 1/1/1
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