Messages in this thread | | | From | "Jesse Gordon" <> | Subject | Re: ICMP Ping being lost between kernel and the ping program. (Solved!) | Date | Thu, 17 Nov 2005 13:35:39 -0800 |
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----- Original Message ----- "Jesse Gordon" <jesseg@nikola.com> wrote:
>Subject: ICMP Ping being lost between kernel and the ping program. > > Greetings. This is my first post. > > I'm having a weird intermittent problem with ping. > > I'm pinging the WAN port of a cheap home DSL firewall (d-link di-604) and > sometimes the ping program fails to get a response, > but if I run tcpdump I can see that the response is indeed coming back. > .. snip .. > -Jesse
Solved.
The Dlink firewalls were responding with stale ICMP Identifier when pinged a second time, and the ping program was ignoring the responses which had a stale Identifier.
The windows box always works because it always uses the same number for Identifier. Ugh.
Thanks!
-Jesse
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