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Date:      Thu, 21 Oct 2010 17:26:17 +0200
From:      Thomas Sevestre <thomas.sevestre@tcare.fr>
To:        freebsd-net@freebsd.org
Subject:   Tcpdump showing ghost traffic
Message-ID:  <4EC6D4D7-3D86-45A1-B804-96F548CB5254@tcare.fr>

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Hi all,

I'm using freebsd 8 as a router. Say I have a sis0 interface. The  
interface is up and negociated, Ethernet LEDs are fine.
Sometimes tcpdump shows traffic on the interface (tcpdump -lni sis0)  
but traffic LEDs doesn't blink and there is nothing going out of the  
router.

Do you have any idea of what the problem could be?
May be a link-layer driver bug?

Thanks,
Thomas








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