From: Mingzhou Nie (mnie@xxxxxxxxx)
Date: Wed Jul 31 2002 - 14:03:24 GMT-3
Peter,
I realized that only one bridge group can be configured under an
interface after I sent out previous email. In this case, I see it's not
possible to do what you need. IRB will allow bridge and route at same
time but all protocols have to bridge and route on same interfaces.
Ming
--- pkoltl@bcn.hu wrote:
> > 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.
>
>
> Thanks, you exactly see what I meant but an interface cannot be
> member of
> multiple bridge groups.
>
> The problem is with IP. If I route and bridge it
> (bridge 1 route ip),
> IP traffic is not working on S0/1 (cannot ping).
>
> If I only route it
> (bridge 1 route ip
> no bridge 1 bridge ip),
> Serial works fine, but I cannot ping out on ethernets (as it would
> need
> bridging IP).
>
> If I only bridge it
> (no config-lines),
> I cannot ping out on either interface.
>
>
> I understand now all 3 cases but I'm still curious whether there is a
> solution to the situation. So, all 3 interfaces should bridge IPX,
> S0/1 has
> its own IP address but the two ethernets do not, as they are on the
> same
> VLAN.
>
> Any good ideas?
>
>
> Bye,
> Peter
>
> 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
This archive was generated by hypermail 2.1.4 : Sat Sep 07 2002 - 19:36:50 GMT-3