From: Randy Zhang (randy_zhang@xxxxxxxxx)
Date: Fri Mar 17 2000 - 20:52:58 GMT-3
You need to turn on IRB on the other router as well,
and make it the same subnet as the remote BVI
interface.
Randy
--- Paul Martinez <pmartinez@tns-inc.com> wrote:
> bridge irb
> bridge 1 protocol ieee
> bridge 1 route decnet
> bridge 1 route ip <--- Doesn't this imply that he
> is routing IP?
> bridge 1 route ipx
>
> I thought the BVI is used for those protocols that
> are being
> bridged. Is this not the case? From the config it
> looks like
> IP is being routed. Updates are being sent from the
> BVI because
> the BVI subnet is defined under IGRP w/network
> 99.0.0.0 (I would guess).
>
> I would clean up the config a little so we only have
> the desktop protocols
> and IGRP. Also, have you looked at your
> Frame-switch? Are the Frame Routes
> correct?
>
> HTH
>
> -Paul M (7 DAYS TILL THE RUMBLE IN RALEIGH)
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> jbazar
> Sent: Friday, March 17, 2000 4:25 PM
> To: 'Ronald Johnson'; 'jbazar'
> Cc: ccielab@groupstudy.com
> Subject: RE: IRB
>
>
> Ronald
>
> Do a debug ip packet. You will notice that your
> encapsulation will fail
> for updates being sent out s0. That is because
> bridging is being done on
> this interface for IP, and packets are going to your
> BVI to route packets.
> When you use standard bridging without IRB, bridging
> is only done on
> non-routable protocols. IRB will bridge all
> protocols as soon as you turn
> it on (including IP).
>
> If you want to continue to use the BVI, you must
> use that one address for
> the whole bridge group. In your case, you have 3 IP
> addresses on the same
> LAN. If you would rather use the IP addresses on
> the physical interfaces,
> type "no bridge 1 bridge IP". This will disable the
> bridging of IP in
> bridge group 1. You will not need the BVI in this
> case.
>
> try it out
>
> jeff
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> Ronald Johnson
> Sent: Friday, March 17, 2000 1:47 PM
> To: 'jbazar'
> Cc: ccielab@groupstudy.com
> Subject: RE: IRB
>
>
> Thanks for your responses guys but I'm not sure we
> have this one nailed yet.
> I have heard a couple of different suggestions. One
> was to enable a BVI
> interface (this was already in the config), the
> second suggestion was to
> turn off bridging for IP (if only bridging is
> enabled, things work fine.. I
> only run into problems when I create the BVI
> interface. Bridging works fine
> by itself, so turning off bridging for IP does not
> make a difference).
> Another suggestion was to create the BVI and add a
> network statement under
> the IGRP routing process that included the ip
> address of the BVI. If you
> reference the config you will see that this was
> already done as well...
>
> So guys.. the jury is still out on this one. What I
> am not sure about is how
> the IGRP updates are sourced once the BVI is
> created. If I debug the IGRP
> updates it shows that updates are sourced not only
> by the BVI, but the
> Serial 0 interface as well. As I mentioned in my
> previous e-mail.. I am
> still receiving updates just fine on Router A.
> According to router A, I am
> still sending them.. However, there is something
> weird about the creation of
> the BVI on Router A that is keeping router B from
> receiving IGRP updates as
> usual.
>
> Router A: IGRP Debug Output
>
> IGRP: received update from 192.168.3.65 on Serial0
> subnet 192.168.3.104, metric 1002255 (neighbor
> 1000255)
> subnet 192.168.3.64, metric 1002255 (neighbor
> 1000255)
> subnet 192.168.3.0, metric 8506 (neighbor
> 6506)
> network 1.0.0.0, metric 8506 (neighbor 6506)
> network 33.0.0.0, metric 8506 (neighbor 6506)
> network 172.16.0.0, metric 8506 (neighbor
> 6506)
> network 22.0.0.0, metric 8506 (neighbor 6506)
> network 192.168.5.0, metric 1002255 (neighbor
> 1000255)
> *snip*
>
> IGRP: sending update to 255.255.255.255 via BVI1
> (99.99.99.99)
> network 5.0.0.0, metric=1100
> network 7.0.0.0, metric=6486
> network 8.0.0.0, metric=6486
> network 9.0.0.0, metric=6486
> network 10.0.0.0, metric=2750
> network 208.158.193.0, metric=8476
> IGRP: Update contains 0 interior, 6 system, and 0
> exterior routes.
> IGRP: Total routes in update: 6
> IGRP: sending update to 255.255.255.255 via Serial0
> (192.168.3.66)
> subnet 192.168.3.64, metric=8476
> network 5.0.0.0, metric=1100
> network 7.0.0.0, metric=6486
> network 8.0.0.0, metric=6486
> network 9.0.0.0, metric=6486
> network 10.0.0.0, metric=2750
> network 99.0.0.0, metric=1500
> network 208.158.193.0, metric=8476
> IGRP: Update contains 1 interior, 7 system, and 0
> exterior routes.
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com] On Behalf Of
> jbazar
> Sent: Friday, March 17, 2000 9:52 AM
> To: 'Ronald Johnson'; cisco@groupstudy.com
> Cc: ccielab@groupstudy.com
> Subject: RE: IRB
>
> Ronald
>
> If you want these interfaces to participate in
> bridging but still allow
> routing of IP without a BVI, type this command in
> global configuration on
> both routers.
>
> no bridge 1 bridge ip
>
> You will start seeing routing updates again.
>
> By default, IRB will bridge all protocols. The only
> way you can bridge and
> route a certain protocol is by using a BVI.
>
> Hope this helps
>
> jeff
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> Ronald Johnson
> Sent: Thursday, March 16, 2000 10:37 PM
> To: cisco@groupstudy.com
> Cc: ccielab@groupstudy.com
> Subject: IRB
>
>
>
> Question.. I have two routers running IGRP over a
> frame link. When I turn on
> IRB on router A (Bridging and Routing IPX, Decnet,
> Appletalk, IP), router B
> stops receiving IGRP updates from router A. When I
> do a "debug ip igrp
> events" on Router A it shows I am still receiving
> updates
=== message truncated ===
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 08:23:05 GMT-3