The MPLS WG Archive

[Shahram Davari <Shahram_Davari@pmc-sierra.com>]

But the same is true for MPLS-ping. You also need to ping all those FECs.

-Shahram

> -----Original Message-----
> From: George Swallow [mailto:swallow@cisco.com]
> Sent: Wednesday, March 20, 2002 5:59 PM
> To: Shahram Davari
> Cc: 'Thomas D. Nadeau'; 'mpls@uu.net'; swallow@cisco.com
> Subject: Re: Y.1711 requirements from IETF 
> 
> 
> > Where did you get this " ALL LSPs MUST" statement from? May 
> be you are
> > reading a different Y.1711 than I have. All I can find are 
> the following
> > statement:
> > 
> > " ... It is strongly recommended that CV OAM packets be 
> generated on all LSPs 
> > (in order to detect all defects and potentially provide 
> protection against 
> > traffic leakage both in and out of LSPs). "
> 
> I have one customer providing an IP VPN service who has >1500 PE
> routers and probably well over a million LSPs.  Most of the LSPs
> represent VPN connectivity can carry very little traffic.
> 
> Would you "strongly recommend" that CV OAM packets be generated on all
> their LSPs at a rate of 1 per second?  Can you point to *any*
> currently deployed network other than those using MPLS solely for
> traffic engineering where this would be a good idea?  If I'm carrying
> the full internet routing table and using LDP downstream unsolicited
> should every router generate 108,000 (the current number of routes) CV
> OAM packets per second?
> 
> Perhaps you should revisit this "strongly recommended"
> recommendation.  Perhaps you should provide for generation of CV OAM
> packets at rates other than 1  second.
> 
> ...George
> 
> ==================================================================
> George Swallow       Cisco Systems                  (978) 497-8143
>                      250 Apollo Drive
>                      Chelmsford, Ma 01824
>