From: frank.yu@japan.bnpparibas.com
Date: Thu Sep 12 2002 - 23:08:55 GMT-3
Guys,
Just want to clear my mind up, correct me if I am wrong.
For example we have a simple scenario as following,
(e0)R1-------------------------------------------------R2(e0)
FR
I want to setup a dlsw peer between R1 and R2, so I need to put E0 on
both R1 and R2 into a certain group with "bridge-group X" under E0
interface.
Because E0 belongs to a certain bridge group now, so any layer3
configuration under E0 including ip address has to be moved to interface
BVI X.
Am I right??
Frank
Internet
brian@cyscoexpert.com - 09/13/2002 07:30 AM
To: bpjain, Frank Yu, ccielab
cc:
Subject: RE: hsrp&dlsw
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
> > >
> > >
> > >
> > > This message and any attachments (the "message") is
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> > > BNP PARIBAS (and its subsidiaries) shall (will) not
> > > therefore be liable for the message if modified.
> > >
> > > ---------------------------------------------
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This message and any attachments (the "message") is
intended solely for the addressees and is confidential.
If you receive this message in error, please delete it and
immediately notify the sender. Any use not in accord with
its purpose, any dissemination or disclosure, either whole
or partial, is prohibited except formal approval. The internet
can not guarantee the integrity of this message.
BNP PARIBAS (and its subsidiaries) shall (will) not
therefore be liable for the message if modified.
---------------------------------------------
Ce message et toutes les pieces jointes (ci-apres le
"message") sont etablis a l'intention exclusive de ses
destinataires et sont confidentiels. Si vous recevez ce
message par erreur, merci de le detruire et d'en avertir
immediatement l'expediteur. Toute utilisation de ce
message non conforme a sa destination, toute diffusion
ou toute publication, totale ou partielle, est interdite, sauf
autorisation expresse. L'internet ne permettant pas
d'assurer l'integrite de ce message, BNP PARIBAS (et ses
filiales) decline(nt) toute responsabilite au titre de ce
message, dans l'hypothese ou il aurait ete modifie.
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