From: Curtis Phillips (phillipscurtis@xxxxxxxxxxxx)
Date: Fri Jan 19 2001 - 17:59:13 GMT-3
Is there support for the ilmi-pvc-disc feature on the LS100?
"Rob Webber" <rwebber@callisma.com> wrote:
>
> I wonder if you could use ilmi-pvc-discovery to discover the PVC, then
> assign any IP address to it, then enable inarp. I know with FR inarp will
> get the other end's IP address, even if its from an entirely different
> network, let alone a different subnet. I'll bet ATM would work the same way.
> Then you could move your IP address to the same subnet as the inarp
> address...
>
> Rob.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Pinnacle -- Erik Freeland
> Sent: Wednesday, January 17, 2001 10:09 PM
> To: ccielab@groupstudy.com
> Subject: RE: atm ilmi-pvc-discovery
>
>
> The exact same issue was presented in the ECP1 class with Val Pavlichenko
> this week. In addition to not knowing the vpi/vci values, he added the
> additional caveat that you dont know any information except the remote
> endpoint is a BGP speaker, that it is correctly configured to speak to you,
> and that it is somewhere in the 192.0.0.0/8 Ip address range.
>
> Determine your VPI/VCI pair & your IP Address.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Rob Webber
> Sent: Wednesday, January 17, 2001 6:54 PM
> To: 'Robert DeVito'; rwebber@callisma.com; padhu@steinroe.com;
> ccielab@groupstudy.com
> Subject: RE: atm ilmi-pvc-discovery
>
>
> I can envision two cases where this might be helpful. One is where the exam
> instructs you that a PVC exists between r1 and r3. You go to the proctor and
> say "but I don't know what the VPI/VCI values are" and the proctor says
> "that's right." In this case I think I would take my approach and ask the
> proctor if it was ok if I manually moved it to my subinterface.
>
> The other case would be where the lab asked you to somehow dynamically use
> and discover them. In this case you can use atm ilmi-pvc-discovery
> subinterface. In this case the router assigns PVCs to the subinterface with
> the same number as the VPI of the PVC. So any PVC with a VPI=1 goes to
> subinterface 0.1, etc. I've never actually tried this one...
>
> Rob.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Robert DeVito
> Sent: Wednesday, January 17, 2001 7:30 PM
> To: rwebber@callisma.com; padhu@steinroe.com; ccielab@groupstudy.com
> Subject: RE: atm ilmi-pvc-discovery
>
>
> That is a very good suggestion.. My only concern is if the test ask you to
> use auto-discovery, you might get marked off... Comments?
>
> Robert
>
> ----Original Message Follows----
> From: "Rob Webber" <rwebber@callisma.com>
> Reply-To: <rwebber@callisma.com>
> To: "'Padhu \(LFG\)'" <padhu@steinroe.com>, "'Robert DeVito'"
> <robertdevito@hotmail.com>, <ccielab@groupstudy.com>
> Subject: RE: atm ilmi-pvc-discovery
> Date: Wed, 17 Jan 2001 13:41:57 -0500
>
> We did this in the ECP1 class last week. The suggestion is to enable atm
> ilmi-pvc-discovery on your atm main interface. Then do a "show atm pvc" (or
> show atm vc). This will then show you the VPI/VCI of any PVC's the router
> discovered via ilmi with the switch. Then once you know the PVCs (and their
> VPI/VCI), actually go to the atm interface (or subinterface) and manually
> define them with the atm pvc vcd vpi vci (or pvc vpi/vci) command. Then you
> can do your normal mappings, inarp, etc.
>
> Its a nice tool in the event you are given a PVC, but not told what the
> VPI/VCI values are.
>
> Rob.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Padhu (LFG)
> Sent: Wednesday, January 17, 2001 11:39 AM
> To: 'Robert DeVito'; Padhu (LFG); ccielab@groupstudy.com
> Subject: RE: atm ilmi-pvc-discovery
>
>
> anyone on the list who have access to ATM gear - Can u guys confirm this
> pattern or suggest any ideas here to fix ?
>
> Cheers,Padhu
>
> -----Original Message-----
> From: Robert DeVito [mailto:robertdevito@hotmail.com]
> Sent: Wednesday, January 17, 2001 10:39 AM
> To: padhu@steinroe.com; ccielab@groupstudy.com
> Subject: RE: atm ilmi-pvc-discovery
>
>
> That was my exact problem.... Any thoughts??
>
>
>
> ----Original Message Follows----
> From: "Padhu (LFG)" <padhu@steinroe.com>
> To: 'Robert DeVito' <robertdevito@hotmail.com>, ccielab@groupstudy.com
> Subject: RE: atm ilmi-pvc-discovery
> Date: Wed, 17 Jan 2001 10:19:54 -0600
>
> I tried this a few weeks ago and couldn't get this to work with eigrp
> ...debug ip pack shows encaps failed ...although it assigned the pvcs to the
> "correct numbered " subinterface that i had created. It was rental so didnt
> have too muh time to figure it
>
> -----Original Message-----
> From: Robert DeVito [mailto:robertdevito@hotmail.com]
> Sent: Wednesday, January 17, 2001 12:10 AM
> To: ccielab@groupstudy.com
> Subject: atm ilmi-pvc-discovery
>
>
> Did anyonve have any problems with ilmi-pvc-discovery command and running
> routing protocolss over the atm pvc? If I manually configure the atm pvc's
> mappings into the router eigrp works great, but if I use ilmi auto
> discovery, I was never able to form adjancey over EIGRP...Thoughts?
>
> Thank you,
> Robert
>
> configs:
> R7
> !
> !
> interface ATM1/0
> ip address 192.168.12.7 255.255.255.0
> no ip directed-broadcast
> map-group ccie
> atm pvc 1 0 16 ilmi
> atm ilmi-pvc-discovery
> no atm ilmi-keepalive
> !
> router eigrp 1
> network 192.168.7.0
> network 192.168.12.0
> no auto-summary
> !
> ip classless
> no ip http server
> !
> !
> map-list ccie
> ip 192.168.12.8 atm-vc 3 broadcast
>
> r7#sho ip eigrp nei
> IP-EIGRP neighbors for process 1
> ************************************************************************
> R8
> !
> interface ATM1/0
> ip address 192.168.12.8 255.255.255.0
> no ip directed-broadcast
> atm pvc 1 0 16 ilmi
> no atm ilmi-keepalive
> atm ilmi-pvc-discovery
> map-group ccie
> !
> router eigrp 1
> network 192.168.8.0
> network 192.168.12.0
> no auto-summary
>
> !
> map-list ccie
> ip 192.168.12.7 atm-vc 3 broadcast
>
> r8#sho ip eigrp nei
> IP-EIGRP neighbors for process 1
>
>
>
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