To disable fast external fallover, use the no bgp fast-external-fallover command.
Defaults Enabled.
Command Modes ROUTER BGP
Command History
Version 8.2.1.0 Introduced on the E-Series ExaScale.
Version 7.4.1.0 Introduced
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.
C-Series, E-Series
Syntax
bgp four-octet-as-support
To disable fast external fallover, use the no bgp four-octet-as-support command.
Defaults Disabled (supports 2-Byte format).
Command Modes ROUTER BGP
Command History
Version 8.2.1.0 Introduced on the E-Series ExaScale.
Version 7.7.1.0 Introduced
Usage
Information
Routers supporting 4-Byte ASNs advertise that function in the OPEN message. The behavior of
a 4-Byte router is slightly different depending on whether it is speaking to a 2-Byte router or a
4-Byte router.
When creating Confederations, all the routers in the Confederation must be 4– or 2–byte
identified routers. You cannot mix them.
Where the 2-Byte format is 1-65535, the 4-Byte format is 1-4294967295. Both formats are
accepted, and the advertisements will reflect the entered format.
For more information about using the 2– or 4-Byte format, refer to the
FTOS Configuration
Guide
.
bgp graceful-restart
Enable graceful restart on a BGP neighbor, a BGP node, or designate a local router to support graceful restart as a
receiver only.
C-Series, E-Series
Syntax
bgp graceful-restart [restart-time seconds] [stale-path-time
seconds] [role receiver-only]
To return to the default, use the no bgp graceful-restart command.
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