Re: EIGRP summary command

From: Sean C (Upp_and_Upp@hotmail.com)
Date: Mon Aug 28 2006 - 13:28:45 ART


Hi Victor,

Very good!! So, it looks like we're in agreement. I was starting to think
that maybe the IOS would allow you to enter the subnet mask either way and
the router would convert if necessary (like how you can enter ospf's network
command with the subnet mask or wild-card mask).

But your comments of:
R6(config-if)#ip summ ei 100 200.0.0.0 0.255.255.255 5 leak-map TEMP
IP-EIGRP(Default-IP-Routing-Table:100): Discontiguous mask is not supported

Shows this not to be so. Thanks again!

It's the little things.....,
Sean
----- Original Message -----
From: "Victor Cappuccio" <cvictor@protokolgroup.com>
To: "'Sean C'" <Upp_and_Upp@hotmail.com>
Cc: <ccielab@groupstudy.com>
Sent: Monday, August 28, 2006 12:04 PM
Subject: RE: EIGRP summary command

> Nice Question Sean
>
> IMO this is a little typo at the DocCD
>
> If you look at a Router running a 12.4(2)T3 Version
> R6(config-if)#ip summary-address eigrp 100 200.0.0.0 ?
> A.B.C.D IP network mask
>
> Testing:
>
> R6#show ip int brief | in 200
> Loopback200 200.200.1.1 YES manual up
> up
> Loopback2001 200.200.2.1 YES manual up
> up
> Loopback2002 200.200.3.1 YES manual up
> up
>
> ip prefix-list SECONDARY seq 5 permit 200.200.2.0/24
>
> interface FastEthernet0/0
> ip address 133.1.26.6 255.255.255.0
> ip summary-address eigrp 100 200.0.0.0 255.0.0.0 5 leak-map TEMP
>
> route-map TEMP permit 10
> match ip address prefix-list SECONDARY
> !
> R6#show run | b router eigrp
> router eigrp 100
> network 133.1.26.6 0.0.0.0
> network 200.0.0.0 0.255.255.255
>
> At the remote end I'm receiving these routes
>
> D 200.200.2.0/24 [90/156160] via 133.1.26.6, 00:00:17, FastEthernet0/0
> D 200.0.0.0/8 [90/156160] via 133.1.26.6, 00:00:27, FastEthernet0/0
>
>
> If I change the Network/Mask to a Network wildmask at f0/0 on R6 then I
get
> this error message
>
> R6(config-if)#ip summ ei 100 200.0.0.0 0.255.255.255 5 leak-map TEMP
> IP-EIGRP(Default-IP-Routing-Table:100): Discontiguous mask is not
supported
>
> So I think this should confirm that little thing at the docCD ;)
>
> Saludos and Thanks
> Victor.-
>
> -----Mensaje original-----
> De: nobody@groupstudy.com [mailto:nobody@groupstudy.com] En nombre de Sean
C
> Enviado el: Lunes, 28 de Agosto de 2006 11:31 a.m.
> Para: GroupStudy
> Asunto: EIGRP summary command
>
> Hello all,
>
> Ok, these are the little things that can drive one crazy as their lab
dates
> looms close. I was reviewing the notes on the leak-map option on 'ip
> summary-address eirgp'.
>
> Here's the documentation on 12.4:
> ip summary-address eigrp 1 10.0.0.0 0.0.0.255 leak-map LEAK-10-1-1
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cr/hirp_r
> /
> rte_eih.htm#wp1097180
>
> Here's the docs on 12.3
> ip summary-address eigrp 109 192.168.0.0 255.255.0.0 95
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/iprr
> p
> _r/ip2_i1g.htm#wp1041060
>
> Notice how the subnet mask is represented on the two examples? 12.4 shows
> the
> subnet represented as an ACL's wildcard mask (and states as such). 12.3
> code
> (and other docs I've searched), shows the subnet mask represent like a
> normal
> subnet mask. Now, I'm not going batty here, am I? Did Cisco flip how to
> represent the subnet mask in 12.4 code? Sorry, I don't have access to a
> 12.4
> IOS to verify.
>
> Thanks,
> Sean
>
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