From: Ali Fahmi (afahmi@plasa.com)
Date: Tue Jan 07 2003 - 15:08:07 GMT-3
Hi Todd,
I disabled auto-summary feature on all routers,
I tried to summarize my local network (lo0 and lo1) to
192.168.0.0/16
with command ip summary-address eigrp 1 192.168.0.0
255.255.0.0
and it works, I have checked in router B, I saw
summarized address
so my conclusion is "ip summary-address " can be used to
summarize
local-network,
I just want to know whether statement in jeff Doyle book
is correct or not.
thx
Ali
On Tue, 07 Jan 2003 12:50:50 -0500
Todd Carswell <acarswell@nc.rr.com> wrote:
>Ali,
>
>Do you have "auto-summary" disabled under the EIGRP
>routing process? If not, then the default behavior of
>EIGRP is to summarize locally connected subnets. Your
>loopback IP addresses may appear to be getting summarized
>by the "ip summary-address" command but the auto-summary
>feature may be doing it instead.
>
>Issue the command "no auto-summary" under the EIGRP
>process, clear your EIGRP neighbors and re-check your
>routing tables. Your loopbacks should not be getting
>summarized anymore. The "ip summary-address" command
>applies only to non-local networks.
>Later.
>
>Todd
>
>
>
>Ali Fahmi wrote:
>
>>Hi All, refer to Routing TCP IP Vol I Book By Jeff
>>Doyle, pg 726 ,
>>3rd paragraph, it says, " the eigrp summarization
>>applies only to
>>routes being redistributed inte EIGRP process domain"
>>
>>I try in my lab as follow,
>>
>>router A --------------------------------Router B
>>Lo0:192.168.1.0
>>Lo1:192.168.2.0
>>
>>All router above are running EIGRP proc.ID 1
>>refer to Jeff Doyle Book, I can not summarize internal
>>routes, but in
>>my lab, I can do it, anybody can explain?
>>
>>thx,
>>Ali
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