Static Routing-Track-Bfd Collaboration Configuration Example - 3Com S7906E Configuration Manual

Notification delay: Positive 0, Negative 0 (in seconds)
Reference object:
NQA entry: admin test
Reaction: 1
# Display the routing table of Switch A.
[SwitchA] display ip routing-table
Routing Tables: Public
Destinations : 4
Destination/Mask
10.2.1.0/24
10.2.1.2/32
127.0.0.0/8
127.0.0.1/32
The output information above indicates the NQA test result, that is, the next hop 10.2.1.1 is unreachable
(the status of the track entry is Negative), and the configured static route is invalid.

Static Routing-Track-BFD Collaboration Configuration Example

Network requirements
As shown in
Configure Static Routing-Track-BFD collaboration on Switch A to implement real-time monitoring
of the validity of the static route to Switch C.
Figure 1-6 Network diagram for Static Routing-Track-BFD collaboration configuration
Vlan-int3
10.2.1.1/24
Vlan-int3
10.2.1.2/24
Switch A
Configuration procedure
1) Configure the IP address of each interface as shown in
omitted.
2) Configure a static route on Switch A and associate it with the track entry.
# Configure the address of the next hop of the static route to Switch C as 10.2.1.1, and configure the
static route to associate with track entry 1.
<SwitchA> system-view
[SwitchA] ip route-static 10.1.1.2 24 10.2.1.1 track 1
3) Configure basic BFD functions on Switch A.
Routes : 4
Proto Pre Cost
Direct 0 0
Direct 0 0
Direct 0 0
Direct 0 0
Figure 1-6, the next hop of the static route from Switch A to Switch C is Switch B.
Switch B
Vlan-int2
10.1.1.1/24
Vlan-int2
10.1.1.2/24
Switch C
NextHop
10.2.1.2
127.0.0.1
127.0.0.1
127.0.0.1
Figure 1-6. The configuration procedure is
1-19
Interface
Vlan3
InLoop0
InLoop0
InLoop0