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 Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=16702&t=16702 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]