Hello Priscilla,
Thanks for your response.
Yes, it could not be a problem with the NIC since Ping
from any of the UNIX machines is fine.
I am using the default timeout while pinging from Unix
machines. I get a Source quench message even when I
specify a higher timeout setting.
Regds
Amit
--- Priscilla Oppenheimer wrote:
> I doubt it's related to a problem with the NIC. If
> there were a problem
> with the NIC, it would probably be unable to respond
> at all or to send the
> source quench.
>
> The server is just telling you that it doesn't have
> buffers or other
> resources to handle the ping. When you ping from the
> Unix machine, what is
> the timeout? Does the Unix machine send less often
> than the router,
> resulting in the server not getting overwhelmed?
>
> What else is the server doing? I have seen Mac OS
> send source quench when
> pinged. I have never considered it a problem. The
> Mac is OK in every other
> respect.
>
> I'm glad this topic came up again because I had
> previously said that source
> quench was obsolsete per RFC 1812. RFC 1812 is
> Requirements for IPv4
> Routers. A router should not send a source quench.
>
> But a host may send a source quench. Per RFC 1122,
> Requirements for IP
> Hosts, "a host may send a source quench message if
> it is approaching, or
> has reached, the point at which it is forced to
> discard incoming datagrams
> due to a shortage of reassembly buffers or other
> resources."
>
> Even though RFC 1122 is old, it has not been
> replaced as far as I can tell.
> So, source quench is not obsolete for hosts.
>
> Priscilla
>
> At 10:29 AM 7/16/01, Amit Gupta wrote:
> >Hi All,
> >
> >I am getting a " Source Quench message " from one
> of
> >my HP-UX Servers when I try to ping it from an NT
> >machine / Switch
> >
> >I am getting the following msg when I ping the
> server
> >from the external router
> >Sending 5, 100-byte ICMP Echos to x.x.x.x timeout
> is 2
> >seconds:
> >QQQQQ
> >
> >However if I ping the same server from a Unix
> machine
> >/ server, it is ok.
> >
> >Could it be a problem with the server NIC....
> >
> >Thanks & Regards
> >
> >Amit
> >
> >
> >
> >
> >
> >
> >
> >__________________________________________________
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>
> ________________________
>
> Priscilla Oppenheimer
> http://www.priscilla.com
>
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