vlan limits on e1000?

[John Baldwin]

On Monday, December 06, 2010 8:18:07 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.
>   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?

Are you using the 'vlanhwfilter' feature?

-- 
John Baldwin