Tip
This is the documentation for the 22.02 version. Looking for the documentation of the latest version? Have a look here.
BGP Debugging InformationΒΆ
The following debugging commands are available in config-frr-bgp
mode.
Messages will be logged in accordance with the settings in Logging.
- option debug allow-martians
Debug allowing martian next hops.
Martians are addresses that would otherwise be considered invalid such as reserved private networks and link-local addresses.
- option debug as4 [segment]
Debug 4-byte AS numbers.
- segment
Debug 4-byte AS numbers in AS-path segments.
- option debug bestpath <ipv6-prefix>
Debug best path calculation for a given prefix.
- option debug keepalive [<peer>]
Debug BGP neighbor keep alive behavior
- peer
Restrict keep alive debugging to a single peer.
- option debug neighbor-events [<peer>]
Debug BGP neighbor events
- peer
Restrict neighbor event debugging to a single peer.
Tip
To log neighbor changes without enabling debugging, use
log-neighbor-changes
in BGP Router Configuration.- option debug nht
Debug next hop tracking events.
- option debug update-groups
Debug update groups.
- option debug updates in <peer>
Debug inbound updates from a specific peer.
- option debug updates out <peer>
Debug outbound updates from a specific peer.
- option debug updates prefix (<ipv4-prefix>|<ipv6-prefix>)
Debug updates for a specific prefix.
- option debug zebra [prefix (<ipv4-prefix>|<ipv6-prefix>)]
Debug BGP messages in the dynamic route manager (
zebra
)- prefix (<ipv4-prefix>|<ipv6-prefix>)
Restrict debugging of dynamic route manager BGP messages to a specific prefix.