From: Brian McGahan (brian@cyscoexpert.com)
Date: Thu Sep 12 2002 - 19:30:52 GMT-3
HSRP config would go on the BVI, assuming you're routing IP for
this bridge group. Any layer 3 config for a protocol you're routing and
bridging would go on the BVI.
As for the DLSw+ on a stick, I've had issues with this.
Whenever I try this in the lab, it causes a spanning-tree loop, and the
trunk port keeps resetting itself. Try putting the subinterfaces in two
different DLSw bridge-groups, and see if that helps. Sometimes it
works; sometimes it doesn't, so it must be version/platform specific.
HTH
Brian McGahan, CCIE #8593
Director of Design and Implementation
brian@cyscoexpert.com
CyscoExpert Corporation
Internetwork Consulting & Training
http://www.cyscoexpert.com
Voice: 847.674.3392
Fax: 847.674.2625
> -----Original Message-----
> From: beda jain [mailto:bpjain@cisco.com]
> Sent: Thursday, September 12, 2002 11:18 AM
> To: Brian McGahan; frank.yu@japan.bnpparibas.com;
ccielab@groupstudy.com
> Subject: hsrp&dlsw
>
> Hi Brian,
>
> first question
> --------------------
> When you have irb configured and you need to configure hsrp, then that
> should be configure in BVI in intreface or
> the ethernet interface ????. The ethernat inter face does not
configure
> with ip address.
>
> second question
> -------------------------
>
> there are two sub interface in fa0/0 and each interface are in
different
> vlan.
>
> Now you want to configure dlsw between these vlan and a token ring or
a
> vlan in other router.
>
> do i need to configure two diffrent dlsw bridge group or only one
bridge
> group.
>
> Thanks,
> Beda
>
>
>
>
> At 09:56 AM 9/11/2002 -0500, Brian McGahan wrote:
> >Frank,
> >
> > This is the advantage of IRB over regular transparent
bridging.
> >IRB allows you to route a protocol on an interface (IP for example),
> >while routing & bridging another protocol on that interface (IPX for
> >example). The following example would accomplish just this:
> >
> >Interface Ethernet 0
> > Ip address 1.1.1.1 255.0.0.0
> > Bridge-group 1
> >!
> >Interface Ethernet 1
> > Ip address 2.2.2.2 255.0.0.0
> > Bridge-group 1
> >!
> >Interface BVI 1
> > IPX network 1
> >!
> >Bridge IRB
> >Bridge 1 protocol IEEE
> >Bridge 1 route IPX
> >
> >
> > IP is routed normally. Only IPX is affected by the IRB
config.
> >
> >
> >HTH
> >
> >Brian McGahan, CCIE #8593
> >Director of Design and Implementation
> >brian@cyscoexpert.com
> >
> >CyscoExpert Corporation
> >Internetwork Consulting & Training
> >http://www.cyscoexpert.com
> >Voice: 847.674.3392
> >Fax: 847.674.2625
> >
> >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
Behalf
> >Of
> > > frank.yu@japan.bnpparibas.com
> > > Sent: Wednesday, September 11, 2002 6:32 AM
> > > To: ccielab@groupstudy.com
> > > Subject: irb bridging help
> > >
> > > Group,
> > >
> > > Just wonder if we have to bridging traffic through a interface
> >let's
> > > say
> > > fa0/0 and fa0/0 is also in ospf domain. Does that mean we have to
> >remove
> > > all the interface commands under fa0/0 (including ip address) and
put
> > > them
> > > under a BVI interface?
> > > Also I notice that in the above situation if I leave the ip
address
> > > under
> > > fa0/0, I still be able to ping the ip address from the other
router,
> >why??
> > > Thank for the input in advance.
> > >
> > > Frank
> > >
> > >
> > >
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> > > BNP PARIBAS (and its subsidiaries) shall (will) not
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