RE: RIP v2 auto-summary

From: Darby Weaver (darbyweaver@yahoo.com)
Date: Sat Dec 29 2007 - 07:54:26 ART


Well I just something.

Thanks Brian for a nice little tidbit, I probably
would not have found on my own for another 10 years.

That's kewl and very interesting actually.

Thanks

Darby
--- Brian Dennis <bdennis@internetworkexpert.com>
wrote:

> 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
> Toll Free: 877-224-8987
> Direct: 775-745-6404 (Outside the US and Canada)
>
>
> >----- 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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