[openib-general] [PATCH] agent: Add IB ping server agent

[Eitan Zahavi]

Hi Hal,

If the response would have included the guid and lid of the responding port
this could potentially be used to validate path record cache in a
distributed manner...
Also could help in diagnostics.

Eitan Zahavi
Design Technology Director
Mellanox Technologies LTD
Tel:+972-4-9097208
Fax:+972-4-9593245
P.O. Box 586 Yokneam 20692 ISRAEL


> -----Original Message-----
> From: Roland Dreier [mailto:roland at topspin.com]
> Sent: Thursday, March 17, 2005 6:39 PM
> To: Hal Rosenstock
> Cc: openib-general at openib.org
> Subject: Re: [openib-general] [PATCH] agent: Add IB ping server agent
> 
>     Hal> One more thing: This is analagous to the (ICMP) ping server
>     Hal> built into the kernel.
> 
> Sort of, except it's not part of the IB spec.  ICMP and in particular
> ICMP echo support is a "MUST" for any RFC-compliant IP implementation.
> 
> One other thought just occurred to me -- what advantages does this
> vendor-specific ping MAD have over a LID-routed NodeDescription get query?
> 
>  - R.
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