You can absolutely run external BGP and internal BGP with the same AS.
This is a very common configuration.
On 2013 Jan 17 (Thu) at 05:36:24 +0000 (+0000), Войнович Андрей Александрович
wrote:
:Hello!
:I have public AS and address range, everything is Ok, but now I want to
:connect my routers via LAN and announce my public networks between them.
:So I need to configure private AS and peers, as I think:
:
:R1:
:AS 55555 65006
:# public ISP
:neighbor 1.1.1.1 {
: announce self
: remote-as 44444
:}
:# my private LAN peer
:neighbor 10.0.41.5 {
: announce self
: remote-as 65005
: descr "r2"
:}
:
:And R2 router:
:AS 55555 65005
:# public ISP
:neighbor 2.2.2.2 {
: announce self
: remote-as 22222
:}
:# my private LAN peer
:neighbor 10.0.41.6 {
: announce none
: remote-as 65006
: descr "r1"
:}
:
:But when I restart bgpd, I receive error:
:Last error: AS unacceptable
:
:I suppose I have to force announcement of private AS for my private peer, but
:didn't find how to do it in config file.
:
:-------------------------------
:Andrey
:
--
Last yeer I kudn't spel Engineer. Now I are won.
