3Com 5500 # Enable the cluster function, # Set the holdtime of NDP information to 300 seconds

256CHAPTER 27: CLUSTER CONFIGURATION GUIDE

[3Com] interface Ethernet 1/0/2 [3Com-Ethernet1/0/2] ntdp enable

[3Com-Ethernet1/0/2] quit

[3Com] interface Ethernet 1/0/3

[3Com-Ethernet1/0/3] ntdp enable

[3Com-Ethernet1/0/3] quit [3Com] interface Ethernet 1/0/4 [3Com-Ethernet1/0/4] ntdp enable

[3Com-Ethernet1/0/4] quit

# Enable the cluster function.

[3Com] cluster enable

n On the member switches, ports that connect to other switches all need to be enabled with NDP and NTDP.

2Configure the management device (Switch A)

# Disable NDP on Ethernet 1/0/1 of the management device.

<3Com> system-view

[3Com] ndp enable

[3Com] undo ndp enable intferface Ethernet 1/0/1

# Enable NDP on Ethernet 1/0/2 and Ethernet 1/0/3.

[3Com] interface Ethernet 1/0/2 [3Com-Ethernet1/0/2] ndp enable

[3Com-Ethernet1/0/2] quit [3Com] interface Ethernet 1/0/3 [3Com-Ethernet1/0/3] ndp enable

[3Com-Ethernet1/0/3] quit

# Set the holdtime of NDP information to 300 seconds.

[3Com] ndp timer aging 300

# Set the interval between sending NDP packets to 100 seconds.

[3Com] ndp timer hello 100

# Enable NTDP globally and on Ethernet 1/0/2 and Ethernet 1/0/3.

[3Com] ntdp enable

[3Com] interface Ethernet 1/0/2 [3Com-Ethernet1/0/2] ntdp enable

[3Com-Ethernet1/0/2] quit [3Com] interface Ethernet 1/0/3 [3Com-Ethernet1/0/3] ntdp enable

[3Com-Ethernet1/0/3] quit

# Set the topology collection range to two hops.

[3Com] ntdp hop 2

#Set the delay for a member device to forward topology collection request to 180 ms.