From: Tharak Abraham (tharakabraham@gmail.com)
Date: Mon Mar 23 2009 - 17:07:44 ART
AD is what it matters when we take Rip and Eigrp in this instance.
Rip and Eigrp will have its own databases, but which one does the router
prefer and based on what?
120 or 90 (the lower the better).
As Rob mentioned and just to cross check the same, you can either increase
the AD of Eigrp above 120 or decrease the AD of Rip below 90 and see !
Dont mix up FIB and RIB concepts here as the former is for fast lookup or
fast switching and latter for normal cpu intensive routing table lookup !
BR,
Tharak.
On Mon, Mar 23, 2009 at 8:42 PM, Kelvin Yeo <kelvinyeo@xtracommunication.com
> wrote:
> Hi Robclav,
>
> Thanks for your response. My understanding is that rip database will
> install routes when its received(except posion routes). AD is only compared
> before installing into FIB if IOS have the same longest match prefix.
>
> Correct me if im wrong...
>
> Kelvin
>
> -----Original Message-----
> From: robclav@gmail.com
> Sent: f f d: , 24 d8 f , 2009 3:26 AM
> To: Kelvin Yeo <kelvinyeo24@yahoo.com.sg>; 'Cisco certification' <
> ccielab@groupstudy.com>
> Subject: Re: RIP not installing routes into RIP database
>
> Hi Kelvin,
> In order to see what is going on, try to modify RIP administrative distance
> from 120 to 80 for instance. Then you will be able to see this route
> installed at rip database instead of eigrp one.
> The question is, which one is the purpose for diferents AD? How this is
> translated to the route exchange?which routes are installed at rip database?
>
> I hope this help you,
> Robclav
>
> BlackBerry de movistar, allm donde estis esta tu oficin@
>
> -----Original Message-----
> From: "Kelvin Yeo" <kelvinyeo24@yahoo.com.sg>
>
> Date: Tue, 24 Mar 2009 02:19:47
> To: 'Cisco certification'<ccielab@groupstudy.com>
> Subject: RIP not installing routes into RIP database
>
>
> Hi Forum,
>
>
>
> Quick and short question.
>
>
>
> I have 2 routers with a serial connection. RIP and EIGRP process is enabled
> on both routers. No filter-list or any list that will filter routes. 1
> loopback has been installed into Router A. RIP and EIGRP has 'network' to
> this loopback.
>
>
>
> router rip
>
> version 2
>
> network 1.0.0.0 < this is the loopback
>
> network 192.168.1.0
>
> no auto-summary
>
> router eigrp 10
>
> network 0.0.0.0
>
> no auto-summary
>
>
>
> On router B, I can see router A's loopback in EIGRP topology table, but I
> do not see it in RIP database..and I missing some concept here because I
> don't understand this result.
>
>
>
> >From B's 'debug ip rip', I can see it is receiving the update but it just
> doesn't install in the RIP database.
>
>
>
> *Mar 1 00:23:18.251: RIP: received v2 update from 192.168.1.1 on Serial1/0
>
> *Mar 1 00:23:18.251: 1.1.1.0/24 via 0.0.0.0 in 1 hops
>
>
>
> Anyone can feedback?
>
>
>
> Rdgs,
>
> Kelvin
>
>
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