netdev - Re: VLAN and ARP failure on tg3 drivers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <m3zl7i5v8x.fsf@ursa.amorsen.dk>
Date:	Fri, 23 Oct 2009 11:12:46 +0200
From:	Benny Amorsen <benny+usenet@...rsen.dk>
To:	Gertjan Hofman <gertjan_hofman@...oo.com>
Cc:	netdev@...r.kernel.org
Subject: Re: VLAN and ARP failure on tg3 drivers

Gertjan Hofman <gertjan_hofman@...oo.com> writes:

> Dear Kernel developers,
>
> A couple of weeks ago we tried to migrate from a 2.6.24  kernel to a
> 2.6.29 kernel and noticed our VLAN application no longer works.  The
> problem is easy to replicate:
>
> 1. connect 2 PC's with a cross-over cable
> 2. set up a fixed IP address to both PC's  (say 192.168.0.[1,2])
> 3. create a vlan:  vconfig  add eth0 0.

VLAN 0 is a special case ("priority tag only"). If you're just trying to
use VLAN's, pick a different number. Also avoid 1001-1024 and 4095 if
you add switches to the mix, because some vendors have odd ideas.


/Benny

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html