On Tue, 21 Aug 2001, Patrick Ramsey wrote:

> How about get rid of igrp and configure ospf in nbma mode?  :)

the igrp has nothing to do with the problem though, its a bridging
problem, someone had posted the solution.

Brian


>
> -Patrick
>
> >>> "Brian"  08/21/01 02:10PM >>>
> No one has gotten this problem yet.  Remeber, making it so the clients are
> on differnt layer 3 networks works, but when they are on the same it
> doesn't.  What mechanics are involved in how the packet will be treated
> different if on the same network vs. different networks.
>
> I'll still leave the answer open, someone will get this.
>
> Brian
>
>
> On Tue, 21 Aug 2001, Wayne Wenthin wrote:
>
> > To me this looks very similar to bridging with DSL.  Since you cannot
> > receive the ARP the router must proxy this.
> >
> > At 09:52 AM 8/21/2001, McCallum, Robert wrote:
> > >you can correct me here if I am wrong but split horizon is only used in
> > >distance vector protocols???? NO???
> > >
> > >The problem here without giving the answer is that a router is expected
to
> > >pass a packet out of an interface which is on its own subnet !!  Doesn't
> > >compute!  What is the routing protocol being used to route ip??  This is
> > >where the answer will lye
> > >
> > >-----Original Message-----
> > >From: Donald B Johnson jr [mailto:[EMAIL PROTECTED]]
> > >Sent: 21 August 2001 17:06
> > >To: [EMAIL PROTECTED]
> > >Subject: Re: CHALLENGE PROBLEM (was Re: For FR Grus.... [7:16635])
> > >[7:16681]
> > >
> > >
> > >I don't think bridge will work on this network because of split horizon.
> > >
> > >
> > >
> > >
> > >----- Original Message -----
> > >From: "Brian"
> > >To:
> > >Sent: Tuesday, August 21, 2001 7:51 AM
> > >Subject: CHALLENGE PROBLEM (was Re: For FR Grus.... [7:16635]) [7:16659]
> > >
> > >
> > > > On Tue, 21 Aug 2001, Cisco Lover wrote:
> > > >
> > > > > Hi Guys..
> > > > >
> > > > > Come with some New Queston..
> > > >
> > > > hmm, ok, so your looking for some challenging questions? Ok, I will
> post
> > > > one, its got FR in it.  First I'll post the problem, followed by the
> > > > config:
> > > >
> > > > THE PROBLEM
> > > > ===========
> > > > Users on DLCI's 200, 224, 201, 225 cannot communicate to eachother.
> They
> > > > can talk just fine to the rest of the network, but no packets can
pass
> > > > between them.  Later discovery reveals that so long as they are on
> > > > different layer 3 network addressing, communcation can occur, but if
> they
> > > > are on the same network, such as 192.168.3.0, then they cannot
> > communicate
> > > >
> > > > What is the problem?  I will reply to let everyone know who got the
> > > > correct answer.
> > > >
> > > > Below is the configuration:
> > > >
> > > > !
> > > > version 11.3
> > > > !
> > > > interface Ethernet2/0
> > > >  ip address 192.168.1.242 255.255.255.0
> > > > !
> > > > interface Serial4/0
> > > >  no ip address
> > > >  encapsulation frame-relay IETF
> > > >  keepalive 15
> > > >  frame-relay map bridge 200 broadcast IETF
> > > >  frame-relay map bridge 224 broadcast IETF
> > > >  frame-relay map bridge 201 broadcast IETF
> > > >  frame-relay map bridge 225 broadcast IETF
> > > >  frame-relay lmi-type ansi
> > > >  bridge-group 1
> > > > !
> > > > interface BVI1
> > > >  ip address 192.168.3.242 255.255.255.0 secondary
> > > >  ip address 192.168.2.242 255.255.255.0
> > > >
> > > > !
> > > > router igrp 1
> > > >  network 192.1.0.0
> > > >  network 192.2.0.0
> > > >  network 193.3.0.0
> > > > !
> > > > ip classless
> > > > !
> > > > bridge irb
> > > >  bridge 1 protocol ieee
> > > >  bridge 1 route ip
> > > > !
> > > >
> > > >
> > > > >
> > > > > For eg,
> > > > > our FR switch is setup for Full mesh,But out network is setup as
Hub
> &
> > > > Spoke
> > > > > FAQ, list archives, and subscription info:
> > > > http://www.groupstudy.com/list/cisco.html
> > > > > Report misconduct and Nondisclosure violations to
> [EMAIL PROTECTED]
> > > > >
> > > >
> > > >
> > > > -----------------------------------------------
> > > >     I'm buying / selling used CISCO gear!!
> > > >             email me for a quote
> > > >
> > > > Brian Feeny, CCIE #8036   Scarlett Parria
> > > > [EMAIL PROTECTED]         [EMAIL PROTECTED]
> > > > 318-213-4709              318-213-4701
> > > >
> > > > Netjam, LLC   http://www.netjam.net
> > > > 333 Texas St.    VISA/MC/AMEX/COD
> > > > Suite 1401   30 day warranty
> > > > Shreveport, LA 71101   Cisco Channel Partner
> > > > toll free: 866-2NETJAM
> > > > phone:    318-212-0245
> > > > fax:    318-212-0246
>     I'm buying / selling used CISCO gear!!
>             email me for a quote
>
> Brian Feeny, CCIE #8036   Scarlett Parria
> [EMAIL PROTECTED]         [EMAIL PROTECTED]
> 318-213-4709              318-213-4701
>
> Netjam, LLC             http://www.netjam.net
> 333 Texas St.                   VISA/MC/AMEX/COD
> Suite 1401              30 day warranty
> Shreveport, LA 71101    Cisco Channel Partner
> toll free: 866-2NETJAM
> phone:           318-212-0245
> fax:     318-212-0246
    I'm buying / selling used CISCO gear!!
            email me for a quote

Brian Feeny, CCIE #8036   Scarlett Parria
[EMAIL PROTECTED]         [EMAIL PROTECTED]
318-213-4709              318-213-4701

Netjam, LLC               http://www.netjam.net
333 Texas St.             VISA/MC/AMEX/COD
Suite 1401                30 day warranty
Shreveport, LA 71101      Cisco Channel Partner
toll free: 866-2NETJAM
phone:     318-212-0245
fax:       318-212-0246




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