CLI Guide

NOTE: The :: notation specifies successive hexadecimal
fields of zeros.
peer-group-name Enter the name of the peer group.
ttl (OPTIONAL) Enter the number of hops as the time to live
(ttl) value. The range is from 1 to 255. The default is 255.
Defaults Disabled.
Command Modes ROUTER BGP
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information To prevent loops, the neighbor ebgp-multihop command does not install
default routes of the multihop peer. Networks not directly connected are not
considered valid for best path selection.
neighbor fall-over
Enable or disable fast fall-over for BGP neighbors.
Syntax
neighbor {ipv6-address | peer-group-name} fall-over
To disable, use the no neighbor {ipv6-address | peer-group-name}
fall-over command.
Parameters
ipv6-address Enter the IPv6 address in the x:x:x:x::x format.
NOTE: The :: notation specifies successive hexadecimal
fields of zeros.
peer-group-name Enter the name of the peer group.
Defaults Disabled.
Command Modes ROUTER BGP
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information When you enable fall-over, BGP keeps track of IP or IPv6 reachability to the peer
remote address and the peer local address. Whenever either address becomes
812
IPv6 Border Gateway Protocol (IPv6 BGP)