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Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
OL-27852-01
Chapter Unicast Routing Commands
neighbor
neighbor
To configure a Border Gateway Protocol (BGP) neighbor (router or VRF) and enter the neighbor
configuration mode, use the neighbor command. To remove an entry, use the no form of this command.
neighbor {ip-addr | ip-prefix/length} [remote-as {as-num[.as-num]}
no neighbor {ip-addr | ip-prefix/length} [remote-as {as-num[.as-num]}]
Syntax Description
Command Default None
Command Modes Neighbor address-family configuration mode
Router bgp configuration mode
Command History
Usage Guidelines Use the neighbor command to enter the BGP neighbor configuration mode. When you enter the
neighbor command, the prompt changes to switch(config-router-neighbor)#.
From the BGP neighbor configuration mode, you can perform the following actions:
• address-family—Configure an address-family (router, neighbor, vrf). See the address-family
(BGP) command for information.
• description description—Describes the neighbor. You can enter up to 80 characters including
spaces.
• disable-connected-check—Disables the connection verification for the directly connected peer.
Use the disable-connected-check command is to disable a check for an eBGP peer that is directly
connected to the local router. BGP triggers a connection check automatically for all eBGP peers that
are known to be single hop away, unless you disable this check with the disable-connected-check
ip-addr IP address of the neighbor in this format: A.B.C.D.
ip-prefix/length IP prefix and the length of the IP prefix. The format is x.x.x.x/length.
The length range is from 1 to 32.
remote-as (Optional) Specifies the autonomous system (AS) number of the
neighbor.
as-num Number of an AS that identifies the router to other BGP routers and
tags the routing information passed along. The range is from 1 to
65535.
.as-num (Optional) Number of an AS that identifies the router to other BGP
routers and tags the routing information passed along. The range is
from 1 to 65535.
Release Modification
5.0(3)A1(1) This command was introduced.
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