From: Thor Kopp (thorkopp@googlemail.com)
Date: Thu May 29 2008 - 09:09:44 ART
if it helps I've just run this one up myself (on a switch not serials
though) because bridging is a person dislike of mine. i have SW4 which
connects as follows & i've just configured the ip addresses on r4 & r6
physical interfaces, assigned the vlans to fe0/4 & fe0/6 on sw4, trunked on
BB3 & trunked on sw4 fe0/24.
R4
FE0/1 10.10.10.4/24 <> SW4 0/4 (VLAN4)
R6
FE0/1 10.10.10.6/24 <> SW4 0/6 (VLAN6)
BB3
FE0/1.4 (encaps dot 4) <> SW4 0/24 trunking dot1q
FE0/1.6 (encaps dot 6) <> SW4 0/24 trunking dot1q
then i've run in these commands on BB3 which will bridge between the 2
subinterfaces.
bridge 100 pro ieee
!
int fas0/1.4
bridge-group 100
!
int fas0/1.6
bridge-group 100
!
bridge irb
!
int bvi 100
ip add 10.10.10.100 255.255.255.0
!
bridge 100 route ip
!
BB3(config)#do ping 10.10.10.6
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.10.10.6, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
BB3(config)#do ping 10.10.10.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.10.10.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
I followed the configuration guide for 12.4 irb and their command sequence
is the same as mine, create the bridge group, assign the bridge-group under
the interface, create the bvi, enable routing for that bridge group.
I find that it helps when i don't know how to do something, find it on the
doc cd & follow the example that they use (customise as necessary). remember
the doc cd will be all that you have in the lab.
- Thor
On Thu, May 29, 2008 at 12:42 AM, Dale Kling <dalek77@gmail.com> wrote:
> Ok so I deleted the BVIs, took the bridge groups off the serial interfaces.
> Reconfigured the BVI first this time and then applied the bridge groups to
> the interface and it works now. Did I miss some where that you have to
> configure the BVIs first before you apply the bridge groups or am I losing
> my mind. I believe I already am losing my mind, so you won't hurt my
> feelings if you say so!
>
> Dale
>
>
> On Wed, May 28, 2008 at 7:32 PM, Dale Kling <dalek77@gmail.com> wrote:
>
> > Is there because I swear I configure it right the first time and half the
> > time I can't ping BVIs across the damn serial links. I have to
> reconfigure
> > it again or 3 times and it magically starts working. WTF over?
> >
> > regards,
> >
> > Dale
>
>
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