From: Andrew Lissitz \(alissitz\) (alissitz@cisco.com)
Date: Wed Oct 26 2005 - 12:42:10 GMT-3
Hey Ryan,
Afaik this command is used for inter-as mvpns (mpls vpn customers with
links in two or more ISPs).
There are different options for the different address families.
Curiosity... is this needed for a lab you are working on?
Once you type address-fam ipv4 (without a VRF at the end) you will be
working in the same default address family you have when you type router
bgp x. Now ... try getting rid of the command address-fam ipv4 ... once
you typed it, IOS really wants to keep it there. You will need to
either continue to work with this address-fam listed or remove bgp and
re-add bgp. Strange how you can not get rid of this address-fam since
it is the default address family for bgp.
Does this answer your question Ryan?
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
The Great Ryan
Sent: Wednesday, October 26, 2005 8:20 AM
To: Cisco certification
Subject: Different Command Format on BGP routing process
Hi Group,
There is any different result if I use the following to enable BGP ?
Router(config)# router bgp 65412
Router(config-router)# neighbor 192.168.0.1 remote-as 65412
Router(config-router)# neighbor 192.168.0.1 ebgp-multihop 255
Router(config)# router bgp 65412
Router(config-router)# neighbor 192.168.0.1 remote-as 65412
Router(config-router)# address-family ipv4 Router(config-router-af)#
neighbor 192.168.0.1 activate Router(config-router-af)# neighbor
192.168.0.1 ebgp-multihop 255
I found something very interesting. the command "neighbor 192.168.0.1
next-hop-unchanged" will never display in the first format but it takes
effect when I use some show command. I'm afraid that if I write erase
the configuration and paste the configuration again, it will miss this
command. Any have this experience before ?
Thanks !
Ryan
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