The MPLS WG Archive

[Ajay Simha <asimha@cisco.com>]

On Mon Dec 30 10:33:30 2002, Curtis Villamizar wrote:
> 
> In message <A33C33CBF69DCE4DB8170246611F756B14C58D@chn-snr-msg.wipro.com>, "Dee
> pak Sathyamurthy" writes:
> > 
> > Hi,
> > =20
> > There are various proposals for supporting trace route and ping on MPLS. =
> > IP ping and trace route use RFC 2925 MIB. Will there be any changes, =
> > additions required to this MIB for supporting MPLS ping and trace route?
> > =20
> > Regards,
> > Deepak
> 
> 
> Deepak,
> 
> First of all, not all MIBs that are defined get used in practice.  I
> know of no ISP that is using the ping MIB to drive pings or collect
> information.  It is just too inefficient to do things that way.  I
> don't think any routers implement it.  I welcome any corrections.

Cisco routers support ping MIB.

> 
> The tier one ISPs that I know have been and probably still are using
> pings are either doing ad-hoc testing or driving tests from pizza
> boxes (1U rackmounts) running *ix that do statistical collection and
> if applicable raise alarms by other means.  In some cases one way
> measurements are made rather than use ping at all.  Traceroute is
> almost always strictly ad-hoc testing or very customized information
> gathering such as the CAIDA skitter program (which doesn't use a MIB).
> 
> If we end up doing an LSP-ping MIB, which too may go unused, then
> someone that thinks it will be used can write it.  IMHO it can be a
> separate document.

I agree it needs to be a seperate doc that the LSP Ping doc.

Cheers..

-ajay
> 
> Curtis