Date: Tue, 07 Dec 2010 13:13:26 -0500 From: Mike Tancsa <mike@sentex.net> To: Mihai-Catalin Salgau <csalgau-br@bitdefender.com> Cc: freebsd-net@freebsd.org Subject: Re: vlan limits on e1000? Message-ID: <4CFE7946.70209@sentex.net> In-Reply-To: <07255796.20101207031807@bitdefender.com> References: <07255796.20101207031807@bitdefender.com>
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On 12/6/2010 8:18 PM, Mihai-Catalin Salgau wrote:
> Hello Freebsd-net,
>
> I have two dual port NICs, one Broadcom(bce0,bce1) and one Intel(em0,em1), on FreeBSD 8-stable
> (about two weeks old) with a DHCP server running.
Hi,
There were a bunch of changes to RELENG_8's em driver a week ago.
Perhaps update to that first. But what sort of em nics do you have ?
pciconf -lvc will show it. I have a number of boxes with 20 or more
ifconfig | grep ^vlan | wc
20 120 1562
Most of which are pcie based, or onboard 82574L types.
---Mike
> I've been successfully using a large number of vlans over bce1,em0 and em1 with iSCSI,
> but wanted to switch to AoE(ata over ethernet). I've set vlandevs by round-robin, and got
> vlan1 on bce0, vlan2 on em0, vlan3 on em1, vlan4 on bce0....vlan12 on em1. I've binded
> net/vblade instances to each interface, but the problem I'm facing now is that while
> vlans 1-10 are working properly, vlans 11 and 12 won't see any traffic unless the interface is
> in promiscuous mode. I noticed that while trying to attach tcpdump and saw the thing instantly work.
> I've had no problems with iSCSI over the same setup, and dhcp packets are getting trough properly.
> I've moved those last two vlans to bce0 and they work ok, but I'm a bit locked on why this is happening.
> Are there any known limitations on vlans on e1000?
>
>
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