Re: Cat5500 Lane question

From: carl commander (carl_commander@xxxxxxxxxxx)
Date: Wed Sep 13 2000 - 06:04:49 GMT-3


   
Have you forgot to append the broadcast statement to the end of the atm pvc
statements on your rfc 1483 atm routers.

interface atm0.3 point-point
atm pvc 3 4 44 aal5snap inarp 'broadcast'

Carl.
CCIE #5934

>From: "Jack Heney" <jheneyccie@hotmail.com>
>Reply-To: "Jack Heney" <jheneyccie@hotmail.com>
>To: kbaumgar@cisco.com
>CC: ccielab@groupstudy.com
>Subject: Re: Cat5500 Lane question
>Date: Wed, 13 Sep 2000 04:42:01 GMT
>
>Yeah...but now I have another strange problem.....
>
>------ ------------- -------- ------
>|2600|-----|LANE Module|-----|LS1010|-----|4700|
>------ ------------- -------- ------
>
>The 2600 has 172.16.2.1/24 on the ethernet int that connects to the lane
>module, and the 4700 has 172.16.2.2/24 on the BVI interface that is linked
>to the ATM subinterface. I am running EIGRP (both routers have others
>attached). The strange part is that the 2600 has acquired the 4700's BVI
>interface as an EIGRP neighbor, but the 4700 cannot acquire the 2600 as an
>EIGRP neighbor even though it can ping it. When I debug EIGRP on the 4700,
>I keep getting an "EIGRP:Neighbor not yet found" message. I tried entering
>neighbor commands in the EIGRP configuration thinking that it was a
>multicast-related problem, but that didn't seem to help. Any ideas?
>
>Thanks,
>Jack
>
>
>>From: Kevin Baumgartner <kbaumgar@cisco.com>
>>To: jheneyccie@hotmail.com (Jack Heney)
>>Subject: Re: Cat5500 Lane question
>>Date: Tue, 12 Sep 2000 20:22:34 -0700 (PDT)
>>
>> So it works?
>>
>> >
>> > Silly oversight...Thanks...You are clearly the man
>> >
>> >
>> > >From: Kevin Baumgartner <kbaumgar@cisco.com>
>> > >Reply-To: Kevin Baumgartner <kbaumgar@cisco.com>
>> > >To: "Jack Heney" <jheneyccie@hotmail.com>
>> > >CC: ccielab@groupstudy.com
>> > >Subject: Re: Cat5500 Lane question
>> > >Date: Tue, 12 Sep 2000 16:10:24 -0700
>> > >
>> > >Missing some configuration on 4700
>> > >should add
>> > >
>> > >bridge 1 protocol ieee
>> > >bridge 1 route ip
>> > >
>> > >- Kevin
>> > >
>> > >At 10:16 PM 9/12/00 +0000, you wrote:
>> > > >This seems to make sense, and it resolved my ARP problem when I
>>tried
>>it
>> > >(my 2600 and my 4700 learned each other's MAC addresses), but I still
>>don't
>> > >have IP connectivity...Here's my configs....
>> > > >
>> > > >---- ------- ------ -----
>> > > >2600-E0-------CAT5500-----ATM12/1/0-LS1010-ATM12/1/2------ATM0-4700
>> > > >---- ------- ------ -----
>> > > >
>> > > >CAT5500 Lane Module:
>> > > >interface ATM0
>> > > >atm preferred phy A
>> > > >atm clock INTERNAL
>> > > >atm pvc 1 0 5 qsaal
>> > > >atm pvc 2 0 16 ilmi
>> > > >atm pvc 3 3 33 aal5snap
>> > > >atm bind pvc vlan 3 3
>> > > >
>> > > >LS1010:
>> > > >interface ATM12/1/2
>> > > >no ip address
>> > > >no ip directed-broadcast
>> > > >atm pvc 4 44 interface ATM12/1/0 3 33
>> > > >
>> > > >(the lane module is on atm 12/1/0, the 4700 is on 12/1/2)
>> > > >
>> > > >4700:
>> > > >interface ATM0
>> > > >no ip address
>> > > >atm max-paks-vc 40
>> > > >atm pvc 1 0 5 qsaal
>> > > >atm pvc 2 0 16 ilmi
>> > > >!
>> > > >interface ATM0.3 point-to-point
>> > > >atm pvc 3 4 44 aal5snap inarp
>> > > >bridge-group 1
>> > > >!
>> > > >interface BVI1
>> > > >ip address 172.16.2.2 255.255.255.0
>> > > >!
>> > > >bridge irb
>> > > >
>> > > >2600:
>> > > >interface fastethernet 0/0
>> > > > ip address 172.16.2.1 255.255.255.0
>> > > >
>> > > >Thanks again,
>> > > >Jack Heney
>> > > >
>> > > >
>> > > >
>> > > >>From: "Scott F. Robohn" <sfr@mentortech.com>
>> > > >>To: Jack Heney <jheneyccie@hotmail.com>
>> > > >>CC: ccielab@groupstudy.com
>> > > >>Subject: Re: Cat5500 Lane question
>> > > >>Date: Tue, 12 Sep 2000 17:42:46 -0400
>> > > >>
>> > > >>Jack,
>> > > >>
>> > > >>Here's the problem: Your PVC on the LANE module is an
>> > > >>RFC1483 *bridged* PVC and the PVC on your 4700 is an RFC1483
>> > > >>*routed* PVC. tThe encapsulations must match, and the LANE
>> > > >>module only supports the bridged mode.
>> > > >>
>> > > >>You need to put the 4700 subinterface in a bridge group to
>> > > >>make that an RFC1483 bridged PVC, matching the encap on the
>> > > >>LANE module. Then you can bridge that subinterface to
>> > > >>another ethernet port on the 4700 with a PC plugged in, or
>> > > >>you can do IRB on the 4700 and put an IP address on a BVI
>> > > >>interface.
>> > > >>
>> > > >>You might want to check the archives and CCO on this; I
>> > > >>think we've covered it before.
>> > > >>
>> > > >>Scott
>> > > >>
>> > > >>Jack Heney wrote:
>> > > >> >
>> > > >> > I have a Cat5500 with a LANE module (that doesn't support an IP
>> > >address
>> > > >> > assignment) and a 4700 with an ATM interface. Besides using
>>LANE, is
>> > >there
>> > > >> > any way to connect these two devices? I tried creating a virtual
>> > >circuit on
>> > > >> > my ls1010, which I then bound to a VLAN on the LANE module. I
>>then
>> > >created
>> > > >> > a subinterface (I tried both point-to-point and multipoint) on
>>the
>> > >router
>> > > >> > and configured the pvc on the subinterface. I think my problem
>>is
>> > > >> > ARP-related, because the router learns MAC addresses across the
>> > >virtual
>> > > >> > circuit, but the pc's plugged into the switch (via ethernet)
>>can't
>> > >learn the
>> > > >> > router's mac address. Am I trying to do something impossible,
>>or
>>am
>> > >I
>> > > >> > missing something? Any help would be greatly appreciated.
>> > > >> >
>> > > >> > Jack Heney
>> > > >> >
>> >



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