RE: RIP v2 auto-summary

From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Sat Dec 29 2007 - 01:18:32 ART


So the command "version 2" under the router process changes the RIP
database behavior or does it just effect what RIP version is sent and
received?

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cr/hirp_r/rte_rih.htm#wp999772

Brian Dennis, CCIE4 #2210 (R&S/ISP-Dial/Security/SP)
bdennis@internetworkexpert.com

Internetwork Expert, Inc.
http://www.InternetworkExpert.com
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>----- Original Message -----
Subject: RE: RIP v2 auto-summary
Date: Fri, December 28, 2007 19:58
From: "Athaide, Dwayne" <DAthaide@eprod.com>

> No I know it is for a fact that it is version 2 as I have version 2
> configured under my RIP Process
>
>
>
> -----Original Message-----
> From: Brian Dennis [mailto:bdennis@internetworkexpert.com]
> Sent: Friday, December 28, 2007 9:33 PM
> To: Athaide, Dwayne; groupstudy
> Subject: Re: RIP v2 auto-summary
>
> You are assuming that the RIP database is a RIPv2 database. If this is
> true where is the RIPv1 database?
>
> Brian Dennis, CCIE4 #2210 (R&amp;S/ISP-Dial/Security/SP)
> bdennis@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Direct: 775-745-6404 (Outside the US and Canada)
>
>
> >----- Original Message -----
> Subject: RIP v2 auto-summary
> Date: Fri, December 28, 2007 12:45
> From: "Athaide, Dwayne" <DAthaide@eprod.com>
>
> > When I enable no-auto-summary under rip version 2 and do a show ip rip
> > database. Why is there an entry of 172.29.0.0/16 being summarized.
> >
> >
> >
> > How does the no-auto and auto work for Rip Version 2. The database
> and
> > route table look the same for either command
> >
> > Thanks
> >
> >
> >
> >
> >
> > NO-AUTOSUMMARY
> >
> > R2#sho ip rip database
> >
> > 172.29.0.0/16 auto-summary
> >
> > 172.29.12.0/26 directly connected, FastEthernet0/0
> >
> > 172.29.24.0/24 directly connected, Serial0/1/0.24
> >
> > 172.29.25.0/24 directly connected, Serial0/2/0
> >
> > 172.29.25.5/32 directly connected, Serial0/2/0
> >
> > 172.29.40.0/24
> >
> > [1] via 172.29.24.4, 00:00:25, Serial0/1/0.24
> >
> > 172.29.100.0/29 directly connected, Serial0/1/0.256
> >
> > 192.168.4.0/24 auto-summary
> >
> > 192.168.4.0/24
> >
> > [1] via 172.29.24.4, 00:00:25, Serial0/1/0.24
> >
> >
> >
> >
> >
> > R2#sho ip route rip
> >
> > 172.29.0.0/16 is variably subnetted, 7 subnets, 5 masks
> >
> > R 172.29.40.0/24 [105/1] via 172.29.24.4, 00:00:19,
> Serial0/1/0.24
> >
> > 192.168.4.0/32 is subnetted, 1 subnets
> >
> > R 192.168.4.4 [105/1] via 172.29.24.4, 00:00:19, Serial0/1/0.24
> >
> > R2#
> >
> >
> >
> > AUTOSUMMARY
> >
> > R2#sho ip rip database
> >
> > 172.29.0.0/16 auto-summary
> >
> > 172.29.12.0/26 directly connected, FastEthernet0/0
> >
> > 172.29.24.0/24 directly connected, Serial0/1/0.24
> >
> > 172.29.25.0/24 directly connected, Serial0/2/0
> >
> > 172.29.25.5/32 directly connected, Serial0/2/0
> >
> > 172.29.40.0/24
> >
> > [1] via 172.29.24.4, 00:00:00, Serial0/1/0.24
> >
> > 172.29.100.0/29 directly connected, Serial0/1/0.256
> >
> > 192.168.4.0/24 auto-summary
> >
> > 192.168.4.0/24
> >
> > [1] via 172.29.24.4, 00:00:00, Serial0/1/0.24
> >
> > R2#
> >
> >
> >
> > R2#sho ip route rip
> >
> > 172.29.0.0/16 is variably subnetted, 7 subnets, 5 masks
> >
> > R 172.29.40.0/24 [105/1] via 172.29.24.4, 00:00:16,
> Serial0/1/0.24
> >
> > R 1
> >
> >
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