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R3303-HP HSR6800 Routers High Availability Configuration Guide

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10.2.1.1/32 Direct 0 0 127.0.0.1 InLoop0
10.3.1.0/24 Direct 0 0 10.3.1.1 GE1/0/2
10.3.1.1/32 Direct 0 0 127.0.0.1 InLoop0
20.1.1.0/24 Direct 0 0 20.1.1.1 GE1/0/3
20.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
30.1.1.0/24 Static 60 0 10.2.1.2 GE1/0/1
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
The output shows the BFD detection result: the next hop 10.2.1.2 is reachable (the status of the track entry
is Positive), and the master static route takes effect. Router A forwards packets to 30.1.1.0/24 through
Router B.
# Remove the IP address of interface GigabitEthernet 1/0/1 on Router B.
<RouterB> system-view
[RouterB] interface gigabitethernet 1/0/1
[RouterB-GigabitEthernet1/0/1] undo ip address
# Display information about the track entry on Router A.
[RouterA] display track all
Track ID: 1
Status: Negative
Duration: 0 days 0 hours 0 minutes 15 seconds
Notification delay: Positive 0, Negative 0 (in seconds)
Reference object:
BFD session:
Packet type: Echo
Interface : GigabitEthernet1/0/1
Remote IP : 10.2.1.2
Local IP : 10.2.1.1
# Display the routing table of Router A.
[RouterA] display ip routing-table
Routing Tables: Public
Destinations : 9 Routes : 9
Destination/Mask Proto Pre Cost NextHop Interface
10.2.1.0/24 Direct 0 0 10.2.1.1 GE1/0/1
10.2.1.1/32 Direct 0 0 127.0.0.1 InLoop0
10.3.1.0/24 Direct 0 0 10.3.1.1 GE1/0/2
10.3.1.1/32 Direct 0 0 127.0.0.1 InLoop0
20.1.1.0/24 Direct 0 0 20.1.1.1 GE1/0/3
20.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
30.1.1.0/24 Static 80 0 10.3.1.3 GE1/0/2
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
The output shows the BFD detection result: if the next hop 10.2.1.2 is unreachable (the status of the track
entry is Negative), the backup static route takes effect, and Router A forwards packets to 30.1.1.0/24
through Router C and Router B.
# When the master route fails, the hosts in 20.1.1.0/24 can still communicate with the hosts in
3 0 .1.1. 0 / 2 4 .
[RouterA] ping -a 20.1.1.1 30.1.1.1