From: Mingzhou Nie (mnie@xxxxxxxxx)
Date: Wed Jul 31 2002 - 10:57:21 GMT-3
IRB allows to bridge a protocol between bridged interfaces(two ethernet
interfaces in this case) and router between shared routed interface BVI
and other routed interface(the serial one). So you must take bridge
group out of serial interface.
To bridge ipx traffic, you need to define a second bridge group and put
it under all three interfaces. Since ipx routing is not turned on but
ip routing is, so the 2nd bridge group will successfull bridge ipx and
ignore ip.
HTH,
Ming
--- "Lassak, Mike" <mikel@aiinet.com> wrote:
> Take the bridge group off the serial interface.
>
> -----Original Message-----
> From: pkoltl@bcn.hu [mailto:pkoltl@bcn.hu]
> Sent: Wednesday, July 31, 2002 4:35 AM
> To: ccielab@groupstudy.com
> Subject: IRB - 2 interfaces in the same VLAN
>
>
> Hello,
>
> I have 3 interfaces on a router (S0/1, E1/0, F0/0) and I want to
> bridge IPX
> and route IP between them. The two ethernets connect to the same VLAN
> so
> they cannot have their own IP addresses, they have to share a common
> IP
> address. Is it possible to do with IRB or other bridging method?
>
> I've created the following config:
>
> bridge irb
> interface FastEthernet0/0
> no ip address
> bridge-group 1
> interface Serial0/1
> ip address 152.3.8.10 255.255.255.252
> encapsulation ppp
> bridge-group 1
> !
> interface Ethernet1/0
> no ip address
> bridge-group 1
> !
> interface BVI1
> ip address 152.3.8.18 255.255.255.252
> bridge 1 protocol ieee
> bridge 1 route ip
>
> Unfortunately, the S0/1 interface does not route IP, it cannot be
> pinged
> from the other side of the link unless I remove it from the
> bridge-group.
> Maybe I need two bridge groups but I think no bridging can be
> configured
> between bridge groups.
>
> Thanks,
> Peter
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