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task to enable BFD for RIP. For more information about BFD, see High Availability Configuration
Guide.
RIP supports the following BFD detection modes:
Single-hop echo detection—Detection mode for a direct neighbor. In this mode, a BFD
session is established only when the directly connected neighbor has route information to send.
Single-hop echo detection for a specific destination—In this mode, a BFD session is
established to the specified RIP neighbor when RIP is enabled on the local interface.
Bidirectional control detection—Detection mode for an indirect neighbor. In this mode, a
BFD session is established only when both ends have routes to send and BFD is enabled on
the receiving interface.
Configuring single-hop echo detection (for a directly
connected RIP neighbor)
1. Enter system view.
N/A
2. Configure the source IP
address of BFD echo
packets.
bfd echo-source-ip
ip-address
By default, the source IP address
of BFD echo packets is not
configured.
3. Enter interface view.
interface
interface-type
interface-number
N/A
4. Enable BFD for RIP.
rip bfd enable
By default, BFD for RIP is
disabled.
Configuring single-hop echo detection (for a specific
destination)
When a unidirectional link occurs between the local device and a specific neighbor, BFD can detect
the failure. The local device will not receive or send any RIP packets through the interface connected
to the neighbor to improve convergence speed. When the link recovers, the interface can send RIP
packets again.
This feature applies to RIP neighbors that are directly connected.
To configure BFD for RIP (single hop echo detection for a specific destination):
1. Enter system view.
N/A
2. Configure the source IP
address of BFD echo
packets.
bfd echo-source-ip
ip-address
By default, no source IP address
is configured for BFD echo
packets.
3. Enter interface view.
interface
interface-type
interface-number
N/A
4. Enable BFD for RIP.
rip bfd enable destination
ip-address
By default, BFD for RIP is
disabled.
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