RE: default routes for (E)IGRP

From: Bill Dellamar (wdellamar@xxxxxxxxx)
Date: Tue Jan 23 2001 - 15:47:51 GMT-3


   
The ip default-network command takes a classful route.
 Therefore, if you are using the 10.0.0.0 network as
the default, you must have a route for the 10.0.0.0/8
in the table.

Bill

--- Chuck Larrieu <chuck@cl.cncdsl.com> wrote:
> The "*" indicates the candidate default route.
> I.e. 10.0.0.0 is noted in
> the table as the candidate default. Since there are
> two directly connected
> networks which match that default, ( the /32 and the
> /24 ) may I suggest you
> do an extended ping, using the option for "report"
> to actually look and see
> what happens?
>
> Chuck
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com] On Behalf Of
> Patrick Bikar
> Sent: Tuesday, January 23, 2001 11:07 AM
> To: ccielab@groupstudy.com
> Subject: default routes for (E)IGRP
>
> Hi all !
>
> I can't get default routes to be advertised in my
> eigrp domain. Here is the
> config of the router that is suppose to originate
> the default : could anyone
> tell me what is wrong ?
>
> First, the config :
> router eigrp 5
> network 10.0.0.0
> network 172.20.0.0
> no auto-summary
> !
> ip classless
> ip default-network 10.0.0.0
>
> and then :
> r3#sh ip route
> Codes: C - connected, S - static, I - IGRP, R - RIP,
> M - mobile, B - BGP
> D - EIGRP, EX - EIGRP external, O - OSPF, IA
> - OSPF inter area
> N1 - OSPF NSSA external type 1, N2 - OSPF
> NSSA external type 2
> E1 - OSPF external type 1, E2 - OSPF external
> type 2, E - EGP
> i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS
> level-2, ia - IS-IS inter
> area
> * - candidate default, U - per-user static
> route, o - ODR
> P - periodic downloaded static route
>
> Gateway of last resort is not set
>
> 172.20.0.0/16 is variably subnetted, 15
> subnets, 6 masks
> D 172.20.1.160/27 [90/1930240] via
> 172.20.1.139, 00:11:29,
> Serial0/0.555
> D 172.20.1.144/28 [90/2554112] via
> 172.20.1.139, 00:11:30,
> Serial0/0.555
> C 172.20.1.136/29 is directly connected,
> Serial0/0.555
> D 172.20.1.128/25 is a summary, 00:11:30,
> Null0
> D 172.20.1.249/32 [90/2554112] via
> 172.20.1.139, 00:11:30,
> Serial0/0.555
> D 172.20.1.250/32 [90/409600] via 172.20.1.67,
> 00:11:30, Ethernet0/0
> C 172.20.1.243/32 is directly connected,
> Loopback0
> D 172.20.1.242/32 [90/2554112] via
> 172.20.1.139, 00:11:30,
> Serial0/0.555
> D 172.20.1.245/32 [90/2042112] via
> 172.20.1.139, 00:11:30,
> Serial0/0.555
> D 172.20.1.247/32 [90/2058240] via
> 172.20.1.139, 00:11:30,
> Serial0/0.555
> D 172.20.1.192/27 [90/1955840] via
> 172.20.1.139, 00:11:30,
> Serial0/0.555
> D 172.20.1.32/27 [90/409600] via 172.20.1.67,
> 00:11:30, Ethernet0/0
> D 172.20.1.16/28 [90/409600] via 172.20.1.67,
> 00:11:31, Ethernet0/0
> D 172.20.1.0/25 is a summary, 00:11:31, Null0
> C 172.20.1.64/26 is directly connected,
> Ethernet0/0
> * 10.0.0.0/8 is variably subnetted, 2 subnets, 2
> masks
> C 10.0.0.2/32 is directly connected, Serial0/1
> C 10.0.0.0/24 is directly connected, Serial0/1
>
> Please help !
> Thanks, Patrick.
>
>



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