[c-nsp] BGP sessions won't establish.

Christian Koch christian at broknrobot.com
Wed Jun 25 22:28:16 EDT 2008


also ensure you have the update source set to loopback (neighbor x.x.x.x
update-source loopback0)

-christian


On Wed, Jun 25, 2008 at 6:13 PM, Tim Durack <tdurack at gmail.com> wrote:

> Do you have ebgp-multihop configured on the loopback session?
>
> Tim:>
>
> On Wed, Jun 25, 2008 at 8:58 PM, Roy <r.engehausen at gmail.com> wrote:
> > Hi,
> >
> > We are working with a new ISP for service.  This one is via metro
> ethernet.
> >  They require two BGP sessions.  One goes between the ends of the
> ethernet.
> >  The other BGP session is between a loopback interface on our router and
> a
> > loopback interface on one of the ISP's other routers.
> >
> > The first session comes up just fine but the second one using loopback
> > interfaces will not establish.  I did some packet traces using a Linux
> box
> > and tcpdump and it would seem that the packets from our loopback session
> go
> > into the metro ethernet and disappear.  When their router tries to
> connect,
> > the packets arrive and responses are sent but they too seem to be
> ignored.
> >
> > The ISP blames us of course.  I told them the packets seem to be going
> out
> > the switch port to the metro ethernet.
> > Has anyone seem such a problem?  Is there some strange magic limit to the
> > number of peers or something?
> >
> > Roy
> >
> >
> >
> >
> > _______________________________________________
> > cisco-nsp mailing list  cisco-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/cisco-nsp
> > archive at http://puck.nether.net/pipermail/cisco-nsp/
> >
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>


More information about the cisco-nsp mailing list