Here's a partial BGP configuration:

> neighbor backbone remote-as 100
> neighbor backbone update-source loopback 0
> neighbor backbone route-map set-med out
> neighbor backbone filter-list 1 out
> neighbor backbone filter-list 2 in

What BGP feature are you configuring by specifying "backbone" instead of an IP address?

Cheers,
Ron

>>>>> http://www.congonetworking.com/ <<<<<
- An all new CCNP message board!
- Totally free CCNP practice questions!

Report this post to a moderator

peer-group

Report this post to a moderator

So Ron

neighbor < ip address | peer-group-name > config variable


and sometime previous you would have input the statement:

neighbor peer-group-name peer-group

Where peer-group-name is backbone


Obviously this you didn't show, very neat. Keeps the mind lubricated!

__________________
Nothing in this world can take the place of persistence. Talent will not; nothing is more common than unsuccessful people with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent. The slogan “Press On” has solved and always will solve the problems of the human race.
—Calvin Coolidge

Report this post to a moderator

Right on, Hoon and Cahillrobert!

A quick intro to Peer Groups from Cisco:

>>>>>

The major benefit of specifying a BGP peer group is that it reduces the amount of system resources (CPU and memory) used in an update generation. It also simplifies BGP configuration since it allows the routing table to be checked only once, and updates to be replicated to all other in-sync peer group members. Depending on the number of peer group members, the number of prefixes in the table, and the number of prefixes advertised, this can significantly reduce the load. We recommend that you group together peers with identical outbound announcement policies.

from: http://www.cisco.com/warp/public/459/29.html
>>>>>

Cheers,
Ron

>>>>> http://www.congonetworking.com/ <<<<<
- An all new CCNP message board!
- Totally free CCNP practice questions!

Report this post to a moderator

One of my friends took the old two day lab and when he was settling up at the end of day 2, the proctor was showing him why he missed the BGP section because he didn't do something like filter, set med, or something. My friend had to point out to the proctor that he had, in fact, done that but that he'd done it all by setting up peer groups and the proctor had not expected that. He set up the peer group because he had time to do it and felt like fooling around with it. Hah.

MadChef

Report this post to a moderator

The brain juices are drying up!

__________________
Nothing in this world can take the place of persistence. Talent will not; nothing is more common than unsuccessful people with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent. The slogan “Press On” has solved and always will solve the problems of the human race.
—Calvin Coolidge

Report this post to a moderator