8-5
z
The static route with Switch B as the next hop has a higher priority, and is the master route. If this
route is available, Switch A forwards packets to 30.1.1.0/24 through Switch B.
z
The static route with Switch C as the next hop acts as the backup route.
z
Configure static routing-track-NQA collaboration to determine whether the master route is
available in real time. If the master route is unavailable, the backup route takes effect, and Switch
A forwards packets to 30.1.1.0/24 through Switch C.
Similarly, Switch D is the default gateway of the hosts in segment 30.1.1.0/24. Two static routes to
20.1.1.0/24 exist on Switch D, with the next hop being Switch B and Switch C respectively. These two
static routes back up each other, where:
z
The static route with Switch B as the next hop has a higher priority, and is the master route. If this
route is available, Switch D forwards packets to 20.1.1.0/24 through Switch B.
z
The static route with Switch C as the next hop acts as the backup route.
z
Configure static routing-track-NQA collaboration to determine whether the master route is
available in real time. If the master route is unavailable, the backup route takes effect, and Switch
D forwards packets to 20.1.1.0/24 through Switch C.
Figure 8-2
Network diagram for static routing-track-NQA collaboration configuration
Vlan-int5
10.2.1.2/24
Vlan-int2
10.1.1.2/24
Vlan-int2
10.1.1.1/24
Switch B
Switch A
Switch C
Vlan-int3
10.3.1.1/24
Vlan-int3
10.3.1.3/24
Vlan-int4
10.4.1.3/24
Switch D
Vlan-int5
10.2.1.4/24
Vlan-int4
10.4.1.4/24
30.1.1.0/24
20.1.1.0/24
Vlan-int6
20.1.1.1/24
Vlan-int7
30.1.1.1/24
Configuration procedure
1) Create VLANs, and assign corresponding ports to the VLANs, and configure the IP address of
each VLAN interface as shown in Figure 8-2. The configuration procedure is omitted.
2) Configure Switch A
# Configure a static route to 30.1.1.0/24, with the address of the next hop as 10.1.1.2 and the default
priority 60. This static route is associated with track entry 1.
<SwitchA> system-view
[SwitchA] ip route-static 30.1.1.0 24 10.1.1.2 track 1
# Configure a static route to 30.1.1.0/24, with the address of the next hop as 10.3.1.3 and the priority
80.
[SwitchA] ip route-static 30.1.1.0 24 10.3.1.3 preference 80
# Configure a static route to 10.2.1.4, with the address of the next hop as 10.1.1.2.
[SwitchA] ip route-static 10.2.1.4 24 10.1.1.2
# Create an NQA test group with the administrator
admin
and the operation tag
test
.
