Dell Command Line Reference Guide for the S4048–ON System 9.14.2.5

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neighbor bfd disable

Explicitly disable a BFD session with a BGP neighbor or a BGP peer group.

Syntax
neighbor {ip-address | ipv6-address | peer-group-name} bfd disable
Parameters
ip-address
Enter the IP address of the BGP neighbor that you want to explicitly disable for BFD sessions in dotted decimal format (A.B.C.D).
peer-group-name
Enter the name of the peer group that you want to explicitly disable for BFD sessions.
Defaults
None
Command Modes
ROUTER BGP
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.13(0.0)
Introduced support for enabling BFD on non-default VRFs for IPv4 BGP, default, and non-default VRFs for IPv6 BGP on the S3100 series, S3048–ON, S4048–ON, S4048T-ON, S5000, S6000, S6000–ON, S6010–ON, S6100–ON, C9010, Z9500, and Z9100–ON.
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100-ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000–ON.
9.2(1.0)
Introduced on the Z9500.
9.0.2.0
Introduced on the S6000.
9.0.0.0
Introduced on the Z9000.
8.3.19.0
Introduced on the S4820T.
8.3.8.0
Introduced on the S4810.
8.4.1.3
Introduced on the E-Series.
Usage Information
When you explicitly disable a BGP neighbor for a BFD session with the neighbor bfd disable command:
  • The neighbor does not inherit the global BFD disable values configured with the bfd neighbor command or configured for the peer group to which the neighbor belongs.
  • The neighbor only inherits the global timer values configured with the bfd neighbor command: interval, min_rx, and multiplier.

When you remove the Disabled state of a BFD for a BGP session with a specified neighbor by entering the no neighbor bfd disable command, the BGP link with the neighbor returns to normal operation and uses the BFD session parameters globally configured with the bfd neighbor command or configured for the peer group to which the neighbor belongs.


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