The MPLS-OPS Archive[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index][Thread Index][Author Index][Subject Index] RE: ATM-LSR do they use OSPF/IS-IS or PNNI??
Yep, I've configured MPLS-TE on 3640s. I did it with 12-1-7 JS (Ent.Plus). The only limitation is that it only supports MPLS-TE with IS-IS (only the 7200s & up support MPLS-TE with OSPF on this release I beleive). Mark Lewis Frontrunner Solutions >From: MPuras@solunet.com >To: mpls-ops@mplsrc.com, mpls@uunet.com >Subject: RE: ATM-LSR do they use OSPF/IS-IS or PNNI?? >Date: Thu, 19 Apr 2001 09:12:23 -0400 > >Hello! Can anyone tell me what stable IOS and software feature (IP, IP >Plus, Service Provider, etc...) is required to run MPLS with TE on a 3640? >Is anyone running or has anyone tried to run MPLS on a 3640? Thanks! > > > >Mario Puras > > >-----Original Message----- >From: Robert Streijl [mailto:rstreijl@telcordia.com] >Sent: Wednesday, April 18, 2001 10:06 AM >To: Geoff Bennett >Cc: mpls-ops@mplsrc.com; mpls@uunet.com >Subject: Re: ATM-LSR do they use OSPF/IS-IS or PNNI?? > > > > >FYI, I just happened to look into the Cisco LS1010 for this. This ATM LSR >will >also handle IISP. IISP provides a >static routing solution that is not easily scalable and has no support for >quality of service (QoS), but I guess it can be used for experiments in >small >MPLS networks. >(I am just trying to reuse some old equipment.) > >Robert > > > > >Geoff Bennett <geoff.bennett@marconi.com> on 04/18/2001 06:14:37 AM > >To: "MP LS" <stagempls@hotmail.com>, mpls-ops@mplsrc.com, mpls@uu.net >cc: (bcc: Robert Streijl/Telcordia) >Subject: Re: ATM-LSR do they use OSPF/IS-IS or PNNI?? > > > > >Hi Niels, > >There may be some confusion arising depending on how you configure the ATM >switch. In effect there are three modes of operation for this device... > >1. Pure ATM. In this case the switch will operate UNI and NNI interfaces, >and will run PNNI as its routing protocol (PNNI is both an IGP and EGP). >UNI and PNNI signalling will happen on VCI 5. > >2. Pure MPLS. In this mode, there is no ATM signalling, and no PNNI. >MPLS routing and signalling (OSPF, ISIS, CR-LDP, RSVP-TE, etc.) will pass >over VCI 32 (note, please check the latest draft for the actual VCI number, >it's a while since I read this info). > >3. Ships in the Night (SIN). In this case, both ATM and MPLS Control >Planes operate simultaneously. ATM signalling happens on VCI 5, and MPLS >signalling on VCI 32. VCs that are set up as a result of signalling are >"owned" by one or other of these control planes. SIN would allow an >operator to continue to run high revenue voice services (and maybe existing >Frame Relay or native ATM services...they make money too) over the ATM >"character" of the switch. They can then run the loss-making Internet >services over the MPLS character. > > >I think there are ideas floating around about a more integrated control >plane for ATM/MPLS switches based on PNNI, but I don't think these have >made it to draft as yet. > >Cheers, >Geoff > > > >At 10:02 18/04/01 +0200, MP LS wrote: > >Hello all, > > > >I have some questions becasue something is verry strange to me. > >I just assumed that ATM-LSRS used an IP routing protocol (IGP) just for > >finding the topology of the network. > > > >But last i read an doccument and there they described that When you >change > >an ATM switch to an ATM-LSR it will use PNNI instead of a IGP for IP. Can > >anyone make this clear for me?? > > > >Thanks a lot. > > > >Greetings, > > > >Niels Sitters. > > > > > >_________________________________________________________________________ > >Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. > > > >------- > >The MPLS-OPS Mailing List > >Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml > >Archive: http://www.mplsrc.com/mpls-ops_archive.shtml > > >================================================================ >Geoff Bennett >Tel: (33) 497 21 43 62 >Director of Technology, OCTO Fax: >(33) >497 21 43 50 >Marconi >Gaia - Bat. E email: >geoff.bennett@marconi.com >BP 123 >06903 SOPHIA ANTIPOLIS >FRANCE >================================================================ > >------- >The MPLS-OPS Mailing List >Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml >Archive: http://www.mplsrc.com/mpls-ops_archive.shtml > > > > >------- >The MPLS-OPS Mailing List >Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml >Archive: http://www.mplsrc.com/mpls-ops_archive.shtml > >------- >The MPLS-OPS Mailing List >Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml >Archive: http://www.mplsrc.com/mpls-ops_archive.shtml _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. ------- The MPLS-OPS Mailing List Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml Archive: http://www.mplsrc.com/mpls-ops_archive.shtml |
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