Re: bgp neighbor and ISL trunk

There is no native vlan, all must be encapsulated. This happens by default.
please post configs from both sides of trunk and a "show int trunk" output.

On Tue, Feb 5, 2013 at 10:04 PM, Daniel Barney Briseqo <
daniel.barney.b_at_hotmail.com> wrote:

> Ping is not working with ISL.
> On the trunk vlan 10 is allowed but I have not input a native vlan, why
> should this be?
> Thank you
> Saludos Cordiales,
> Daniel Barney BriseC1o
> Sent from my iPhone
>
> On Feb 5, 2013, at 9:00 PM, "Lindsay Hill" <lindsay.k.hill_at_gmail.com>
> wrote:
>
> > Without seeing your configs, it's probably related to ISL not having a
> native VLAN.
> >
> > Have you verified basic connectivity (i.e. ping) from R1 to the SW2 IP
> address when using ISL?
> >
> > On 6/02/2013, at 2:42 PM, Daniel Barney Briseqo <
> daniel.barney.b_at_hotmail.com> wrote:
> >
> >> hello...
> >> So i have this topology.
> >>
> >> R1-------SW1----(TRUNK ISL)-----SW2
> >>
> >> On R1 I have on the physical interface the ip 10.10.10.1 and on SW2
> over vlan 10, ip 10.10.10.2
> >> when setting up a e-bgp neighbor from R1 to SW2.... if using dot1q on
> the trunk the neighbor comes up, but when I use ISL it does not.
> >>
> >> Could you tell me why is this happening?
> >>
> >>
> >> Daniel Barney Briseqo
> >> "El zltimo minuto tambiin tiene 60 segundos"
> >> daniel.barney.b_at_hotmail.com
> >>
> >>
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--
Marc Abel
CCIE #35470
(Routing and Switching)
Blogs and organic groups at http://www.ccie.net