Dell C9000 series, Reference Manual

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bgp fast-external-fallover
Enable the fast external fallover feature, which immediately resets the BGP session if a link to a directly
connected external peer fails.
C9000 Series
Syntax
bgp fast-external-fallover
To disable fast external fallover, use the
no bgp fast-external-fallover
command.
Defaults Enabled
Command Modes ROUTER BGP
Command History This guide is platform-specific. For command information about other platforms, refer
to the relevant Dell Networking OS Command Line Reference Guide .
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series.
7.7.1.0 Introduced on the C-Series.
Usage Information The
bgp fast-external-fallover
command appears in the
show config
command output.
bgp four-octet-as-support
Enable 4-byte support for the BGP process.
C9000 Series
Syntax
bgp four-octet-as-support
Border Gateway Protocol 431