Related
Commands
show ip bgp ipv6 unicast neighbors
— displays IPv6 routing information exchanged
by BGP neighbors.
show ip protocols
— views information on routing protocols.
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.
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
Version 9.2(0.0)
Introduced on the MXL 10/40GbE Switch IO Module.
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.
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 9.2(0.0)
Introduced on the MXL 10/40GbE Switch IO Module.
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.
702
IPv6 Border Gateway Protocol (IPv6 BGP)