From: CCIE (ccie@xxxxxxxxx)
Date: Thu Aug 22 2002 - 00:37:08 GMT-3
You have auto summary enable on eigrp, so the router is logging that it
cannot summarize those routes since you have network 172.16.0.0 specified
under eigrp. Turn off auto summary and the message should go away....
----- Original Message -----
From: "Jason Cash" <cash2001@swbell.net>
To: <ccielab@groupstudy.com>
Sent: Wednesday, August 21, 2002 9:28 PM
Subject: EIGRP / common subnet error msg
> Running the EIGRP lab (pg.732) in the Solie book and keep receiving the
> following EIGRP errors on:
>
> BARNEYs router :
> 00:25:49: IP-EIGRP: Neighbor 172.16.60.1 not on common subnet for
> Ethernet0 (172.16.3.1 255.255.255.0)
> 00:26:01: IP-EIGRP: Neighbor 172.16.50.5 not on common subnet for
> Ethernet0 (172.16.3.1 255.255.255.0)
> 00:26:13: IP-EIGRP: Neighbor 172.16.60.1 not on common subnet for
> Ethernet0 (172.16.3.1 255.255.255.0)
> 00:26:25: IP-EIGRP: Neighbor 172.16.50.5 not on common subnet for
> Ethernet0 (172.16.3.1 255.255.255.0)
>
> On Solar Bucks:
> 00:26:26: IP-EIGRP: Neighbor 172.16.60.1 not on common subnet for
> Ethernet0 (172.16.50.5 255.255.255.0)
> 00:26:37: IP-EIGRP: Neighbor 172.16.3.1 not on common subnet for
> Ethernet0 (172.16.50.5 255.255.255.0)
> 00:26:49: IP-EIGRP: Neighbor 172.16.60.1 not on common subnet for
> Ethernet0 (172.16.50.5 255.255.255.0)
>
> My question is this. I can stop the error msgs with 'no eigrp
> log-neighbor-warnings' but I am concerned that this is not the best
> workaround. I am running 12.2 code. Should I find another way or is
> this to be expected with interface in different subnets? Here are the
> configs. Also, are small attachments allowed on this group as I have a
> scanner and would like to attach the topology map:
>
> Solar_Bucks
> / \
> / \
> G_and_S ----------------- Barney's
>
> G_S
> hostname r1
> !
> logging rate-limit console 10 except errors
> !
> ip subnet-zero
> no ip finger
> no ip domain-lookup
> !
> no ip dhcp-client network-discovery
> !
> interface Loopback0
> ip address 1.1.1.1 255.255.255.0
> !
> interface Ethernet0
> ip address 172.16.60.1 255.255.255.0
> no ip route-cache
> no ip mroute-cache
> !
> interface Serial0
> no ip address
> encapsulation frame-relay
> no ip route-cache
> no ip mroute-cache
> no fair-queue
> !
> interface Serial0.1 point-to-point
> ip address 172.16.128.2 255.255.255.252
> no ip route-cache
> frame-relay interface-dlci 102
> !
> interface Serial0.2 point-to-point
> ip address 172.16.128.9 255.255.255.252
> no ip route-cache
> frame-relay interface-dlci 103
> !
> interface Serial1
> no ip address
> no ip route-cache
> no ip mroute-cache
> shutdown
> !
> router eigrp 1
> network 172.16.0.0
> auto-summary
> no eigrp log-neighbor-changes
> Solar Bucks
> hostname r2
> !
> logging rate-limit console 10 except errors
> !
> ip subnet-zero
> no ip finger
> no ip domain-lookup
> !
> no ip dhcp-client network-discovery
> !
> interface Loopback0
> ip address 2.2.2.2 255.255.255.0
> !
> interface Ethernet0
> ip address 172.16.50.5 255.255.255.0
> no ip route-cache
> no ip mroute-cache
> !
> interface Serial0
> no ip address
> encapsulation frame-relay
> no ip route-cache
> no ip mroute-cache
> !
> interface Serial0.1 point-to-point
> ip address 172.16.128.1 255.255.255.252
> no ip route-cache
> frame-relay interface-dlci 201
> !
> interface Serial0.2 point-to-point
> ip address 172.16.128.5 255.255.255.252
> no ip route-cache
> frame-relay interface-dlci 203
> !
> interface Serial1
> no ip address
> no ip route-cache
> no ip mroute-cache
> shutdown
> !
> router eigrp 1
> network 172.16.0.0
> auto-summary
> no eigrp log-neighbor-changes
> !
> Barney's
> Current configuration : 1270 bytes
> hostname r3
> !
> logging rate-limit console 10 except errors
> !
> ip subnet-zero
> no ip finger
> no ip domain-lookup
> !
> no ip dhcp-client network-discovery
> !
> interface Loopback0
> ip address 172.16.20.1 255.255.255.0
> !
> interface Ethernet0
> ip address 172.16.3.1 255.255.255.0
> no ip route-cache
> no ip mroute-cache
> !
> interface Serial0
> no ip address
> encapsulation frame-relay
> no ip route-cache
> no ip mroute-cache
> no fair-queue
> !
> interface Serial0.1 point-to-point
> ip address 172.16.128.6 255.255.255.252
> no ip route-cache
> frame-relay interface-dlci 302
> !
> interface Serial0.2 point-to-point
> ip address 172.16.128.10 255.255.255.252
> no ip route-cache
> frame-relay interface-dlci 301
> !
> interface Serial1
> no ip address
> no ip route-cache
> no ip mroute-cache
> shutdown
> !
> router eigrp 1
> network 172.16.0.0
> auto-summary
> no eigrp log-neighbor-changes
This archive was generated by hypermail 2.1.4 : Sat Sep 07 2002 - 19:48:32 GMT-3