From: Shahnawaz Khot (shahnawaz4ccie@gmail.com)
Date: Tue May 27 2008 - 14:57:44 ART
Thanks Andre,
Admin distnace modification has local significance. But the point here is,
By default EIGRP summary routes carries admin distance 5. Like EIGRP
internal routes carries 90 and external routes 170.
Please suggest.
Regards,
Shahnawaz
On 5/27/08, adufour@metlife.com <adufour@metlife.com> wrote:
>
>
> Hello,
>
> From what I understand, the AD metric of 5 is local only to the router that
> created the summary address. Other routers will still show whatever the
> default EIGRP interior AD is. Please also note, that the same also holds
> true in general with routing protocols. For example, if I change OSPFs AD
> to 201 on R1 and R1 sends the "route" to its OSPF neighbor, the OSPF
> neighbor will apply whatever the AD is for OSPF locally (it does not know or
> care that you changed the AD on R1).
>
> Regards,
> Andre
>
>
> *"Shahnawaz Khot" <shahnawaz4ccie@gmail.com>*
> Sent by: nobody@groupstudy.com
>
> 05/27/2008 12:26 PM Please respond to
> "Shahnawaz Khot" <shahnawaz4ccie@gmail.com>
>
> To
> "Cisco certification" <ccielab@groupstudy.com> cc
> Subject
> EIGRP Summarization.
>
>
>
>
> Hi,
>
>
> In our IE practice labs, an assignment was to configure EIGRP between
> routers R5 and R6. Where router R6 is further running EIGRP between him and
> BB1. BB1 is injecting following EIGRP routes to R6
>
>
> D 200.0.1.0/24 [90/20642560] via 132.1.26.6, 00:01:34, FastEthernet0/0
> D 200.0.2.0/24 [90/20642560] via 132.1.26.6, 00:01:34, FastEthernet0/0
> D 200.0.3.0/24 [90/20642560] via 132.1.26.6, 00:01:34, FastEthernet0/0
>
> Then the next question was to configure summary route for network
> 200.0.0.0 on
> R6. We have configured following command on R6 EIGRP interface connecting
> to
> R2.
>
> ip summary-address eigrp 10 200.0.0.0 255.255.252.0 5
>
> As per EIGRP theory, summary routes should have Admin distance 5 but when
> we
> saw EIGRP routes on R2 for R6 summary route we found Admin distance is
> still
> 90 for this summarized route.
>
> Here is the output.
>
> D 200.0.0.0/22 [90/20642560] via 132.1.26.6, 00:12:03, FastEthernet0/0
>
> Please assist on this point.
>
> Best Regards,
> Shahnawaz
>
>
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