Dell Z9500 Configuration Manual page 141
Z-series core and aggregation switche
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Also See for Z9500:
- Command reference manual (1905 pages) ,
- Reference manual (1849 pages) ,
- Installation manual (47 pages)
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ROUTER BGP mode
neighbor {ip-address | peer-group-name} bfd disable
•
Remove the disabled state of a BFD for BGP session with a specified neighbor.
ROUTER BGP mode
no neighbor {ip-address | peer-group-name} bfd disable
Use BFD in a BGP Peer Group
You can establish a BFD session for the members of a peer group (the neighbor peer-group-name bfd command in
ROUTER BGP configuration mode).
Members of the peer group may have BFD:
•
Explicitly enabled (the neighbor ip-address bfd command)
•
Explicitly disabled (the neighbor ip-address bfd disable command)
•
Inherited (neither explicitly enabled or disabled) according to the current BFD configuration of the peer group. For
information about BGP peer groups, refer to
If you explicitly enable (or disable) a BGP neighbor for BFD that belongs to a peer group:
•
The neighbor does not inherit the BFD enable/disable values configured with the bfd all-neighbors command or
configured for the peer group to which the neighbor belongs.
•
The neighbor inherits only the global timer values that are configured with the bfd all-neighbors command (interval,
min_rx, and multiplier).
If you explicitly enable (or disable) a peer group for BFD that has no BFD parameters configured (for example, advertisement
interval) using the neighbor peer-group-name bfd command, the peer group inherits any BFD settings configured with
the bfd all-neighbors command.
Displaying BFD for BGP Information
You can display related information for BFD for BGP.
To display information about BFD for BGP sessions on a router, use the following commands and refer to the following
examples.
•
Verify a BFD for BGP configuration.
EXEC Privilege mode
show running-config bgp
•
Verify that a BFD for BGP session has been successfully established with a BGP neighbor. A line-by-line listing of established
BFD adjacencies is displayed.
EXEC Privilege mode
show bfd neighbors [interface] [detail]
•
Check to see if BFD is enabled for BGP connections.
EXEC Privilege mode
show ip bgp summary
•
Displays routing information exchanged with BGP neighbors, including BFD for BGP sessions.
EXEC Privilege mode
show ip bgp neighbors [ip-address]
Configure Peer
Groups.
Bidirectional Forwarding Detection (BFD)
141
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Troubleshooting
