Deployment Guide

Border Gateway Protocol IPv4 (BGPv4) | 361
Parameters
Defaults
Not configured.
Command Modes
ROUTER BGP
Usage
Information
Other BGP filtering commands include: neighbor filter-list, ip as-path access-list, and neighbor
route-map.
Related
Commands
Command
History
neighbor ebgp-multihop
c e s
Attempt and accept BGP connections to external peers on networks that are not directly connected.
Syntax
neighbor {ip-address | peer-group-name} ebgp-multihop [ttl]
To disallow and disconnect connections, use the no neighbor {ip-address | peer-group-name}
ebgp-multihop command.
Parameters
Defaults
Disabled.
Command Modes
ROUTER BGP
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.
Command
History
ip-address
Enter the IP address of the neighbor in dotted decimal format.
peer-group-name
Enter the name of the peer group to apply the distribute list filter to all routers
in the peer group.
prefix-list-name
Enter the name of an established prefix list.
If the prefix list is not configured, the default is permit (to allow all routes).
in Enter the keyword in to distribute only inbound traffic.
out Enter the keyword out to distribute only outbound traffic.
ip as-path access-list Configure IP AS-Path ACL.
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.
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series
ip-address
Enter the IP address of the neighbor in dotted decimal format.
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 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series