From: kym blair (kymblair@xxxxxxxxxxx)
Date: Sun Jun 02 2002 - 00:23:59 GMT-3
Thought I had neighbor statements on both routers, but didn't on R6. Added
"neighbor 132.173.66.1 ATM0" to R6 and they exchanged routes.
Thanks, everyone. Kym
>From: "kym blair" <kymblair@hotmail.com>
>Reply-To: "kym blair" <kymblair@hotmail.com>
>To: ccielab@groupstudy.com
>Subject: Re: EIGRP over ATM (THE BAD CONFIGS)
>Date: Sun, 02 Jun 2002 02:53:54 +0000
>
>Several people suggested "broadcast" on the atm map statements, but I
>already had it so that isn't the problem. Both routers are 4700's,
>connected back-to-back, no atm switch. Here are my configs; eigrp is only
>on R6's ATM link and token ring interface, and BB3's ATM and loopbacks:
>
>ROUTER 6:
>
>ip subnet-zero
>no ip domain-lookup
>!
>interface TokenRing0
>ip address 132.173.61.6 255.255.255.0
>ring-speed 16
>!
>interface ATM0
>ip address 132.173.66.6 255.255.255.224
>pvc 4/61
> protocol ip 132.173.66.1 broadcast
> protocol ip 132.173.66.6 broadcast
> encapsulation aal5snap
>!
>atm clock INTERNAL
>no atm ilmi-keepalive
>!
>router eigrp 666
>redistribute connected
>redistribute ospf 64 match internal external 1 external 2 route-map oo2ee
>passive-interface Loopback0
>passive-interface Serial0
>network 132.173.61.0 0.0.0.255
>network 132.173.66.0 0.0.0.31
>default-metric 1000 100 255 1 1500
>no auto-summary
>eigrp router-id 132.173.66.6
>no eigrp log-neighbor-changes
>!
>ip classless
>
>
>
>
>ROUTER BB3:
>
>ip subnet-zero
>no ip domain-lookup
>!
>interface Loopback0
>ip address 10.1.1.1 255.255.255.0
>!
>interface Loopback1
>ip address 10.1.2.1 255.255.255.128
>!
>interface ATM0
>ip address 132.173.66.1 255.255.255.224
>pvc 4/61
> protocol ip 132.173.66.1 broadcast
> protocol ip 132.173.66.6 broadcast
> encapsulation aal5snap
>!
>atm clock INTERNAL
>no atm ilmi-keepalive
>!
>router eigrp 666
>passive-interface Loopback0
>passive-interface Loopback1
>network 10.1.1.0 0.0.0.255
>network 10.1.2.0 0.0.0.127
>network 132.173.66.0 0.0.0.31
>neighbor 132.173.66.6 ATM0
>no auto-summary
>eigrp router-id 132.173.66.1
>no eigrp log-neighbor-changes
>!
>ip classless
>ip route 0.0.0.0 0.0.0.0 132.173.66.6
>
>
>
>The ATM link is alive:
>
>BB3#ping 132.173.66.1
>!!!!!
>BB3#ping 132.173.66.6
>!!!!!
>
>When I install a tunnel, R6 and BB3 form eigrp adjacencies. But without
>the
>tunnel, there are no eigrp routes getting to BB3:
>BB3#sh ip route
>
>Gateway of last resort is 132.173.66.6 to network 0.0.0.0
>
> 10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
>C 10.1.2.0/25 is directly connected, Loopback1
>C 10.1.1.0/24 is directly connected, Loopback0
> 132.173.0.0/27 is subnetted, 1 subnets
>C 132.173.66.0 is directly connected, ATM0
>S* 0.0.0.0/0 [1/0] via 132.173.66.6
>
>Debugging shows sending and receiving eigrp hellos, but "ignore multicast
>hello":
>
>BB3#debug eigrp packet
>EIGRP Packets debugging is on
> (UPDATE, REQUEST, QUERY, REPLY, HELLO, IPXSAP, PROBE, ACK, STUB,
>SIAQUERY, SIAREPLY)
>BB3#debug ip eigrp nei 666 132.173.66.6
>IP Neighbor target enabled on AS 666 for 132.173.66.6
>IP-EIGRP Neighbor Target Events debugging is on
>BB3#
>00:19:04: EIGRP: Sending HELLO on ATM0 nbr 132.173.66.6
>00:19:04: AS 666, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
>00:19:05: EIGRP: Received HELLO on ATM0 nbr 132.173.66.6
>00:19:05: AS 666, Flags 0x0, Seq 0/0 idbQ 0/0
>00:19:05: EIGRP: Ignore multicast Hello ATM0 132.173.66.6
>00:19:05: EIGRP: Received HELLO on ATM0 nbr 132.173.66.6
>00:19:05: AS 666, Flags 0x0, Seq 0/0 idbQ 0/0
>00:19:05: EIGRP: Ignore multicast Hello ATM0 132.173.66.6
>00:19:08: EIGRP: Sending HELLO on ATM0 nbr 132.173.66.6
>00:19:08: AS 666, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
>00:19:10: EIGRP: Received HELLO on ATM0 nbr 132.173.66.6
>00:19:10: AS 666, Flags 0x0, Seq 0/0 idbQ 0/0
>00:19:10: EIGRP: Ignore multicast Hello ATM0 132.173.66.6
>
>
>Any ideas?
>
>Thanks.
>
>Kym
>
>
>
>
>>From: "David Ham" <ccieau@hotmail.com>
>>Reply-To: "David Ham" <ccieau@hotmail.com>
>>To: kymblair@hotmail.com, ccielab@groupstudy.com
>>Subject: Re: EIGRP over ATM
>>Date: Sun, 02 Jun 2002 10:53:32 +1000
>>
>>Kym,
>>
>>Are you doning CLIP PVC.
>>Then apply "broadcast" command under PVC x/y.
>>Then it will work.
>>
>>Regards,
>>
>>David Ham
>>OPTUS
>>
>>
>>>From: "kym blair" <kymblair@hotmail.com>
>>>Reply-To: "kym blair" <kymblair@hotmail.com>
>>>To: ccielab@groupstudy.com
>>>Subject: EIGRP over ATM
>>>Date: Sun, 02 Jun 2002 00:08:10 +0000
>>>
>>>I cannot get EIGRP to form neighbor adjacencies over ATM. It may be
>>>because it uses multicast (224.0.0.10), but I'm not sure. My work-around
>>>solution is to install a tunnel across the atm link and add the tunnel
>>>interface to my eigrp domain, then passive-int the atm0 (no sense
>>>broadcasting hellos if no one is listening).
>>>
>>>I've tried eigrp neighbor statements since atm is nbma; didn't help. I
>>>tried pim sparse-mode with pim nbma-mode; didn't help.
>>>
>>>Does anyone know the solution to get eigrp to work over atm?
>>>
>>>Thanks.
>>>
>>>Kym
>>>
>>>
>>>
This archive was generated by hypermail 2.1.4 : Tue Jul 02 2002 - 08:12:20 GMT-3