From: Mike Kraus \(mikraus\) (mikraus@cisco.com)
Date: Fri Jun 15 2007 - 14:07:29 ART
Problem is:
"Automatic summary will override the configured summary address feature
on a given interface except when both of the following conditions are
true:
*The configured interface summary address and the IP address of the
configured interface share the same major network (the classful,
nonsubnetted portion of the IP address).
*Split horizon is not enabled on the interface. "
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/
fipr_c/ipcprt2/1cfrip.htm#wp1001118
So, in your config below since the address space you are summarizing is
not the same as what is configured on the interface you should only
receive the auto-summarizations (not your configured ones).
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Todd, Douglas M.
Sent: Friday, April 27, 2007 1:06 PM
To: Brent Royster; ccielab@groupstudy.com
Subject: RE: Rip Summarization:
Thanks for the reply. I understand that, that is why I had the supernet
to null0. I figured out how to fix the issue with out using the static.
re-enable auto-summarizition under the rip process then adv the
summaryroutes. This give me the fix without the static.
DMT
-----Original Message-----
From: Brent Royster [mailto:broyster9@gmail.com]
Sent: Fri 4/27/2007 12:18 PM
To: Todd, Douglas M.
Subject: Re: Rip Summarization:
if the two summary prefixes werent in your routing table before you used
the summary command RIP wont advertise them.
On 4/27/07, Todd, Douglas M. <DTODD@partners.org> wrote:
>
> Hi folks:
>
> I have a problem with rip summarization where I am getting the error
of :
>
> *Jul 10 11:16:23.942: RIP-ERROR: summary route XXX/X not in routing
table.
>
> Here is my configuration:
> !
> interface FastEthernet0/0
> bandwidth 10000
> ip address 204.12.1.4 255.255.255.0
> ip summary-address rip 150.1.0.0 255.255.240.0 ip summary-address rip
> 162.1.0.0 255.255.0.0 duplex auto speed auto end
>
> Routing Protocol is "rip"
> Outgoing update filter list for all interfaces is not set
> Incoming update filter list for all interfaces is not set
> Sending updates every 30 seconds, next due in 13 seconds
> Invalid after 180 seconds, hold down 180, flushed after 240
> Redistributing: rip, ospf 1
> Default version control: send version 2, receive version 2
> Interface Send Recv Triggered RIP Key-chain
> FastEthernet0/0 2 2
> Automatic network summarization is not in effect
> Address Summarization:
> 150.1.0.0/20 for FastEthernet0/0
> 162.1.0.0/16 for FastEthernet0/0
> Maximum path: 4
> Routing for Networks:
> 204.12.1.0
> Routing Information Sources:
> Gateway Distance Last Update
> 204.12.1.254 120 00:00:28
> Distance: (default is 120)
>
> The only way I can get it to work is if I stick a route to null0 for
> the summary.
> S 162.1.0.0/16 is directly connected, Null0
> O 31.0.0.0/14 is a summary, 00:00:58, Null0
> O 30.0.0.0/14 is a summary, 00:00:58, Null0
>
> Ideas?
>
> DMT
>
>
>
>
>
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