From: Joseph Saad (joseph.samir.saad@gmail.com)
Date: Sat Dec 22 2007 - 03:19:35 ART
2 things that I typically do during redistribution
1) Enable "debug ip routing" on the internal routers, "logging buffered
1000"
or
2) sh ip route summary
Also sometimes, I am better off removing the whole "router ospf" process and
reapply it and ofcourse "clear ip route" to see the impacts.
Joseph.
On Dec 22, 2007 9:47 AM, Scott M Vermillion <scott@it-ag.com> wrote:
> Hi Kim,
>
>
> Just to clarify, there was a separate task to redistribute my Lo0 into
> OSPF
> early on in the lab (and the task requirement can only be met via
> redistribution - a network statement or 'ip ospf 100 area 0' at the
> interface level are both expressly prohibited). Then, separately, at the
> end of the IGP section, I'm to redistribute OSPF into RIP and RIP into
> OSPF.
> In the SG, they have 'redistribute connected' under the RIP process. A
> brief mention is made in the lab breakdown video that this is because of
> the
> earlier redistribution of connected into OSPF. However, I find no
> apparent
> difference in any routing table regardless of this commands presence or
> absence under RIP. Of course, it's been a long day and I haven't been
> focused at all since I started out this morning. So maybe a good night's
> sleep will help. Also, I'll try to navigate back to that section of the
> IE
> ATC CoD. I remember this being discussed at length but I apparently don't
> yet have it all committed to memory.
>
>
>
> Thanks much,
>
>
> Scott
>
>
>
>
>
> From: Kim teu [mailto:kim.teu@gmail.com]
> Sent: Friday, December 21, 2007 10:41 PM
> To: Scott M Vermillion
> Cc: ccielab@groupstudy.com
> Subject: Re: Has Redistribution Behavior Changed Or Am I High?
>
>
>
> Scott,
>
> The "redistribute connec route-map LOOPBACK_ONLY" should be under RIP
> process, not OSPF process. Then, when you redistribute ospf under RIP,
> only
> loopback interface get redistributed, but not other OSPF enabled
> interfaces.
>
>
>
>
> HTH,
>
> Kim
>
>
>
>
>
>
>
>
>
> On 12/21/07, Scott M Vermillion <scott@it-ag.com> wrote:
>
> OK folks, admittedly a soft spot in my underbelly here.
>
>
>
> Redistribution rules as I have come to understand them (not necessarily in
> any kind of order):
>
>
>
> --redistribute any routes learned from the protocol being redistributed
>
> --redistribute any connected interfaces that are covered by network
> statement under the protocol being redistributed
>
> --however, if a 'redistribute connected' statement exists in the protocol
> being redistributed, only redistribute those connected interfaces which
> are
> allowed in the manual 'redistribute connected' statement
>
>
>
> So, for example, if I have router R1 running both RIP and OSPF, and I have
> redistributed my loopback interface into OSPF with a route-map permitting
> *only* the loopback to go into OSPF, then if I then later redistribute
> OSPF
> into RIP, I will get all routes learned by OSPF in RIP but I will not get
> the networks of directly connected links/interfaces running OSPF, because
> my
> route-map didn't encompass anything but the loopback interface.
>
> I thought I finally understood this concept correctly. Do I?
>
>
>
> Because in my lab, I'm not seeing this. I have the exact scenario above
> configured. In a Solutions Guide, it shows doing a 'redistribute
> connected'
>
> under the RIP process, presumably in an effort to pull in directly
> connected
> non-RIP/OSPF networks as well as those *learned* by OSPF. Right? Or
> wrong?
> Because I am observing zero difference whether this manual redistribution
> of
>
> connected exists under the RIP process or not. I do in fact seem to get
> the
> directly connected non-RIP/OSPF networks showing up in and being
> advertised
> into RIP, even sans a manual redistribution of connected under RIP.
>
>
>
> So I ask you once again, am I on something good? Are my pupils perhaps a
> little dilated this evening? Please advise.
>
>
>
> Regards all,
>
> Scott
>
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