BGP in home lab

Has anyone set BGP up in a lab environment? I have 3 spare routers to play with. They are all using an IGP in the same AS. Should I change their IGP AS to something unique, before I attempt to implement BGP?

Also, I'm guessing I'll need to incorporate iBGP as well? (use loopbacks for this?)

Any tips, recommendations appreciated. Never tried this before

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EdTheLad

dissolved wrote:

Has anyone set BGP up in a lab environment? I have 3 spare routers to play with. They are all using an IGP in the same AS. Should I change their IGP AS to something unique, before I attempt to implement BGP?

Also, I'm guessing I'll need to incorporate iBGP as well? (use loopbacks for this?)

Any tips, recommendations appreciated. Never tried this before

BGP is used to route between AS's, so if your AS systems are not unique whats the point to run BGP in the first place??

dissolved

good point

Yankee

iBgp routes within your AS and eBGP between others. The point of trying would be to learn that

Yankee

darkuser

http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/bgp.htm

Yankee

darkuser posts like someone else I knew under another name!

Yankee

forbesl

ed_the_lad wrote:

BGP is used to route between AS's, so if your AS systems are not unique whats the point to run BGP in the first place??

iBgp can also be used with eBGP for load sharing/alternate path when you are dual- homed to one ASN. We have used this before when deploying packages to remote sites that will be connecting to one ASN.

Check it out at Cisco:
http://www.cisco.com/en/US/tech/tk365/technologies_configuration_example09186a00800945bf.shtml#conf5

darkuser

yup it's me .... new name better forum.

dissolved

thanks for the help guys