From: boby2kusa@hotmail.com
Date: Thu Jul 10 2003 - 16:06:26 GMT-3
Actually, the link sent earlier should have explained why this is happening.
although people gets offended when they are sent a link to read. Not to
salm the poster but this is basic classfull routing protocol behavior that
should have been part of the initial reading in understanding the protocol.
My .02!
----- Original Message -----
From: "Brian Dennis" <brian@labforge.com>
To: "'James R Big'" <ccieboy2002@yahoo.com>; <ccielab@groupstudy.com>
Sent: Thursday, July 10, 2003 11:41 AM
Subject: RE: ospf and rip
> Let me explain what is happening.
>
> When R3 receives the auto summarized 189.18.0.0/16 advertisement from
> R4, R3 checks to see if it already has any subnets of the 189.18.0.0/16
> network in its routing table which is does because of the connected
> route to lo0. This means that R3 will ignore the update about the
> 189.18.0.0/16 network from R4.
>
> Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Brian Dennis
> Sent: Thursday, July 10, 2003 10:54 AM
> To: 'James R Big'; ccielab@groupstudy.com
> Subject: RE: ospf and rip
>
> The 189.18.0.0/16 network is separated by the 152.1.0.0/16 network.
>
> Why Doesn't RIP or IGRP Support Discontiguous Networks?
> http://www.cisco.com/warp/public/105/55.html
>
> Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> James R Big
> Sent: Thursday, July 10, 2003 10:43 AM
> To: ccielab@groupstudy.com
> Subject: ospf and rip
>
> Hum.. R3 can't see R4's lo 0 why?
>
> R3 has ospf and rip(version1)
>
> ...
>
>
>
>
> s1 s1
> R2-----ospf(area0)------R3-lo 0
> |S0 |s0
> | |
> ospf(area1) rip(version1)
> | |
> |s0 |s0
> R1 R4
>
>
>
>
>
> R1.
> lo 189.18.1.1 255.255.255.0
> s0 152.1.1.1 255.255.255.252
>
> R2
> lo 189.18.2.2 255.255.255.0
> s0 152.1.1.2 255.255.255.252
> s1 152.1.1.5 255.255.255.252
>
> R3
> lo 189.18.3.3 255.255.255.0
> s0 152.1.2.3 255.255.255.0
> s1 152.1.1.6 255.255.255.252
>
> R4
> lo 189.18.4.4 255.255.255.0
> l1 152.1.3.4 255.255.255.0
> s0 152.1.2.4 255.255.255.0
>
>
>
>
> ---------------------------------
> Do you Yahoo!?
> SBC Yahoo! DSL - Now only $29.95 per month!
>
>
> _______________________________________________________________________
> You are subscribed to the GroupStudy.com CCIE R&S Discussion Group.
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
> _______________________________________________________________________
> You are subscribed to the GroupStudy.com CCIE R&S Discussion Group.
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
> _______________________________________________________________________
> You are subscribed to the GroupStudy.com CCIE R&S Discussion Group.
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Wed Aug 06 2003 - 06:52:34 GMT-3