3Com 4210, 5500G, 4200G manual Must already exist on Switch C

74CHAPTER 13: AUTO DETECT CONFIGURATION GUIDE

[SwitchC] interface vlan-interface 1 [SwitchC-Vlan-interface1] ip address 10.1.2.1 24

[SwitchC-Vlan-interface1] quit

# Create detected group 9.

[SwitchC] detect-group 9

# Detect the reachability of 192.168.1.1/24, with the next hop being 10.1.1.3, and the detecting number being 1.

[SwitchC-detect-group-9] detect-list 1 ip address 192.168.1.1 nextho p 10.1.1.3

[SwitchC-detect-group-9] quit

# Configure VLAN-interface 1 as the standby interface, which is enabled when the detected group 9 is unreachable.

[SwitchC] interface vlan-interface 1 [SwitchC-Vlan-interface1] standby detect-group 9

n	This configuration procedure only provides the auto-detect related configuration.
	To use auto detect function properly, a Switch A-to-Switch B-to-Switch C route
	must already exist on Switch A, and a Switch C-to-Switch B-to-Switch A route
	must already exist on Switch C.
Complete Configuration	■	Configure Switch A
	#
	detect-group 10
		detect-list 1 ip address 10.1.1.4 nexthop 192.168.1.2
	#
	vlan 1
	#
	vlan 2
	#
	interface Vlan-interface1
		ip address 192.168.1.1 255.255.255.0
	#
	interface Vlan-interface2
		standby detect-group 10
		ip address 192.168.3.1 255.255.255.0
	■	Configure Switch C

#

detect-group 9

detect-list 1 ip address 192.168.1.1 nexthop 10.1.1.3

#

vlan 1

#

vlan 2

#

interface Vlan-interface1 standby detect-group 9

ip address 10.1.2.1 255.255.255.0

#

interface Vlan-interface2