Configure Bfd For Rip (Single-Hop Echo Detection For A Specified Destination) - HPE FlexNetwork HSR6800 Configuration Manual

# Display the RIP routes of RIP process 1 on Router A.
<RouterA> display rip 1 route
Route Flags: R - RIP, T - TRIP
----------------------------------------------------------------------------
The output shows that the RIP route learned from Router C no longer exists.
# Display the RIP route destined for 100.1.1.0/24 on Router A.
<RouterA> display ip routing-table 100.1.1.0 24 verbose
Routing Table : Public
Summary Count : 1
Destination: 100.1.1.0/24
Protocol: RIP
Preference: 100
IpPrecedence:
BkNextHop: 0.0.0.0
RelyNextHop: 0.0.0.0
Tunnel ID: 0x0
BKTunnel ID: 0x0
Configure BFD for RIP (single-hop echo detection for a
specified destination)
Network requirements
As shown in
RIP process 1. GigabitEthernet 2/1/2 of Router B and Router C runs RIP process 1.
Configure a static route destined for 100.1.1.0/24 and enable static route redistribution into RIP on
both Router A and Router C so Router B can learn two routes destined for 100.1.1.0/24 through
GigabitEthernet 2/1/1 and GigabitEthernet 2/1/2. The route redistributed from Router A has a smaller
cost than that redistributed from Router C, so Router B uses the route through GigabitEthernet 2/1/1.
Enable BFD for RIP on GigabitEthernet 2/1/2 of Router A, and specify GigabitEthernet 2/1/1 of
Router B as the destination. When a unidirectional link occurs (packets from Router A can reach
Router B, but packets from Router B cannot reach Router A), BFD can quickly detect the link failure
and notify it to RIP. RIP then deletes the neighbor relationship and the route information learned on
GigabitEthernet 2/1/2 and does not receive or send any packets on GigabitEthernet 2/1/2. When the
route learned from Router A ages out, Router B uses the route destined for 100.1.1.1/24 through
GigabitEthernet 2/1/2.
P - Permanent, A - Aging, S - Suppressed, G - Garbage-collect
NextHop: 192.168.2.2
State: Active Adv
Tag: 0
Figure 13, GigabitEthernet 2/1/2 of Router A and GigabitEthernet 2/1/1 of Router B run
Process ID: 2
Cost: 2
QosLcId:
Interface: GigabitEthernet2/1/2
BkInterface:
Neighbor : 192.168.2.2
Label: NULL
BKLabel: NULL
Age: 00h18m40s
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