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z On switch A, configure a static route to Switch C.
z Enable the static route when the detected group 8 is reachable.
z To ensure normal operating of the auto detect function, configure a static route to Switch A on
Switch C.
Network diagram
Figure 1-2 Network diagram for implementing the auto detect function in static route
Configuration procedure
Configure the IP addresses of all the interfaces as shown in Figure 1-2. The configuration procedure is
omitted.
z Configure Switch A.
# Enter system view.
<SwitchA> system-view
# Create detected group 8.
[SwitchA] detect-group 8
# Detect the reachability of 10.1.1.4/24, with 192.168.1.2/24 as the next hop, and the detecting number
set to 1.
[SwitchA-detect-group-8] detect-list 1 ip address 10.1.1.4 nexthop 192.168.1.2
[SwitchA-detect-group-8] quit
# Enable the static route when the detected group is reachable. The static route is invalid when the
detected group is unreachable.
[SwitchA] ip route-static 10.1.1.4 24 192.168.1.2 detect-group 8
z Configure Switch C.
# Enter system view.
<SwitchC> system-view
# Configure a static route to Switch A.
[SwitchC] ip route-static 192.168.1.1 24 10.1.1.3
Configuration Example for Auto Detect Implementation with VLAN Interface Backup
Network requirements
z Make sure the routes between Switch A, Switch B, and Switch C, and between Switch A, Switch D,
and Switch C are reachable.
z Create detected group 10 on Switch A to detect the connectivity between Switch B and Switch C.
z Configure VLAN-interface 1 to be the active interface, which is enabled when the detected group
10 is reachable.
z Configure VLAN-interface 2 to be the standby interface, which is enabled when the detected group
10 is unreachable.