Command Line Reference Guide

IPv6 Border Gateway Protocol (IPv6 BGP) | 731
Command
History
Usage
Information
Other BGP filtering commands include: neighbor filter-list and neighbor route-map.
Related
Commands
neighbor ebgp-multihop
c e s
Attempt and accept BGP connections to external peers on networks that are not directly connected.
Syntax
neighbor {ipv6-address | peer-group-name} ebgp-multihop [ttl]
To disallow and disconnect connections, use the no neighbor {ipv6-address | peer-group-name}
ebgp-multihop [ttl] command.
Parameters
Defaults
Disabled.
Command Modes
ROUTER BGP
Command
History
Usage
Information
To prevent loops, the neighbor ebgp-multihop command will not install default routes of the multihop
peer. Networks not directly connected are not considered valid for best path selection.
neighbor fall-over
c e s
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.
Version 8.4.2.1 Introduced on C-Series and S-Series.
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.4.1.0 Introduced on E-Series TeraScale
neighbor filter-list Assign a AS-PATH list to a neighbor or peer group.
neighbor route-map Assign a route map to a neighbor or peer group.
ipv6-address Enter the IPv6 address in the x:x:x:x::x format.
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.
Range: 1 to 255.
Default: 255
Version 8.4.2.1 Introduced on C-Series and S-Series.
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.4.1.0 Introduced on E-Series TeraScale