From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] ip bug?
Date: Mon, 14 Jan 2008 19:50:38 -0500 [thread overview]
Message-ID: <b56651af10f636e81648300fe4506827@quanstro.net> (raw)
In-Reply-To: <20080115000239.A5DA21E8C1C@holo.morphisms.net>
On Mon Jan 14 19:03:58 EST 2008, rsc@swtch.com wrote:
> > now if i
> >
> > ; ip/ping /net.alt/icmp!12.51.113.7!0
> >
> > i usually get one packet back and snoopy reports
>
> there are surely more packets than that.
> for example, where are the arp packets that initially
> discover that 12.51.113.7 is 0030488ef4fb?
>
> i suspect that the machine is sending out an arp request
> for 12.51.113.7 and getting back responses both from
> the actual 12.51.113.7 as well as the 65 gateway.
> the 65 gateway responds a little bit later, so that you
> manage to get one ping off between getting the first
> response and the second response. if this is the case,
> then your 65 gateway is wrong.
your diagnosis is excellent as usual. this is exactly the case.
i have no access yet to the 65 gateway so it's hard telling
what it's problem is. it does not do the same thing to
other 12 addresses.
- erik
prev parent reply other threads:[~2008-01-15 0:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-14 21:31 erik quanstrom
2008-01-15 0:02 ` Russ Cox
2008-01-15 0:50 ` erik quanstrom [this message]
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