From: Grant Edwards <grante@visi.com>
To: ecos-discuss@ecos.sourceware.org
Subject: [ECOS] Re: [Fwd: FreeBSD network stack question]
Date: Wed, 19 Oct 2005 18:20:00 -0000 [thread overview]
Message-ID: <20051019182149.575E03DAE2@rivatek.dnsalias.net> (raw)
In-Reply-To: <43561EFF.8030200@lmco.com>
In gmane.os.ecos.general, you wrote:
> If we collect a packet trace with tcpdump, we see an ARP request and ARP
> reply, then we see the 2nd segment of the first message - the first
> segment of the first message is never transmitted.
Now you understand why there's a "U" in "UDP". ;)
> 1. udp_output calls ip_output
> [...]
> 8. ip_output believes that all is well with the first segment and
> proceeds to send the second. By now, the ARP resolution process has
> completed, and the second segment is transmitted normally.
>
> Is this normal?
I think so. UDP packets are allowed to vanish pretty much
anywhere along the way.
--
Grant Edwards grante Yow! I have many CHARTS
at and DIAGRAMS...
visi.com
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next prev parent reply other threads:[~2005-10-19 18:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-19 17:26 [ECOS] " Barry Wealand
2005-10-19 18:01 ` Daniel Helgason
2005-10-19 18:01 ` Gary Thomas
2005-10-19 19:11 ` Barry Wealand
2005-10-19 18:20 ` Grant Edwards [this message]
2005-10-19 20:57 ` [ECOS] " Andrew Lunn
2005-10-19 21:16 ` Grant Edwards
2005-10-21 12:04 ` [ECOS] RE : [ECOS] " Arnaud Chataignier
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