Dell C9000 series, Reference Manual

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To disable fast external failover, use the
no bgp four-octet-as-support
command.
Defaults Disabled (supports 2–byte format)
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 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 byte or 2
byte identified routers. You cannot mix them.
Where the 2-byte format is from 1 to 65535, the 4-byte format is from 1 to
4294967295. Both formats are accepted and the advertisements reflect the entered
format.
For more information about using the 2 byte or 4-byte format, refer to the Dell
Networking OS Configuration Guide .
bgp graceful-restart
To support graceful restart as a receiver only, enable graceful restart on a BGP neighbor, a BGP node, or
designate a local router.
C9000 Series
Syntax
bgp graceful-restart [restart-time seconds ] [stale-path-time
seconds ] [role receiver-only]
Border Gateway Protocol 432