Reference Guide

320 | Border Gateway Protocol IPv4 (BGPv4)
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bgp four-octet-as-support
c e s
Enable 4-byte support for the BGP process.
Syntax
bgp four-octet-as-support
To disable fast external fallover, enter no bgp four-octet-as-support.
Defaults
Disabled (supports 2-Byte format)
Command Modes
ROUTER BGP
Usage
Information
Routers supporting 4-Byte ASNs advertise that function in the OPEN message. The
behavior of a 4-Byte router will be 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
.
Command
History
bgp graceful-restart
c e s
Enable graceful restart on a BGP neighbor, a BGP node, or designate a local router to
support graceful restart as a receiver only.
Syntax
bgp graceful-restart [restart-time seconds] [stale-path-time seconds] [role receiver-only]
To return to the default, enter the
no bgp graceful-restart command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced command
Introduced support on C-Series