From: Wei Man (mandraw1@yahoo.com)
Date: Mon May 19 2003 - 10:49:26 GMT-3
I did all that
bridge 1 route ip and
bridge irb
and still does not work
(it does not work only for ISDN, for frame relay
it works well)
This is what I got from
http://www.netcraftsmen.net/welcher/papers/irb.htm
Caution
Plan ahead, and watch out for encapsulations when
using BVI with mixed media. The defaults are the usual
Ethernet encapsulations. Thus Novell traffic routed to
the BVI to be put out the bridge group interfaces
might appear as novell_ether encapsulation, sometimes
referred to as "raw Ethernet". Think of this as what
crosses the connection to the "external bridge". If
there is a Token Ring or FDDI interface in the
bridge-group, the packet must receive
media-translation prior to being transmitted out that
interface. Translation alters the encapsulation to
"raw-Token" or "raw-FDDI", which may not be what we
want. One workaround might be to specify SNAP
encapsulation for the BVI. But then we do get SNAP out
any Ethernet interfaces.
I just wonder, if this is the case that happen
--- Sam Lai <sam@ccnpro.net> wrote:
> I think you are missing the "bridge 1 route ip"
> global command". This
> will enable ip protocol to be "routed" out of the
> bridge-group, instead
> of just be "bridged".
>
> Sam
>
> -----Original Message-----
> From: Wei Man [mailto:mandraw1@yahoo.com]
> Sent: Sunday, May 18, 2003 6:52 PM
> To: ccielab@groupstudy.com
> Subject: ISDN IRB Question
>
> Hi,
>
> Is there anyway we can configure irb over isdn ?
> I cannot ping remote router, when I turned on
> debug ip packet, I get encapsulation failed
>
> sample config
>
> bridge 1 protocol ieee
>
> username remote-router password cisco
>
> in bri 0
> dialer map bridge name remote-router broadcast
> 384020
> bridge-group 1
> <no ip address>
> dialer-group 1
> enc ppp
> ppp au chap
>
>
> dialer-list 1 protocol bridge permit
>
>
> in bvi 1
> ip add 10.1.1.1 255.255.0.0
> no shut
>
>
>
>
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