Network card Intel and 802.1P tag

[Andrey O.Sokolov]

У Ср, 2009-08-05 у 10:54 -0500, Gary Gatten пише:
> Not ALL chipsets / drivers support 802.1Q / p , maybe this is one of them?

I have this problem on some ethernet cards, such as:

   em0 at pci0:14:0:0:        class=0x020000 card=0x109a15d9
chip=0x109a8086 rev=0x00 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82573L Intel PRO/1000 PL Network Adaptor'
    class      = network
    subclass   = ethernet

   em0 at pci0:6:0:0: class=0x020000 card=0x108c15d9 chip=0x108c8086
rev=0x03 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82573E Intel Corporation 82573E Gigabit Ethernet
Controller (Copper)'
    class      = network
    subclass   = ethernet


Andrey O.Sokolov wrote:
> > Any idea how I can see 802.1P tag on em?
> 
> You should, I guess, with no extra steps. Perhaps the em driver
> has some hardware capability, which set the priority tag to zero?

> Is the vlan hardware processing enabled?

How I can enable this processing?


> Could you post the output of "ifconfig em0"?
> 

Output of ifconfig both:


em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
1500

options=19b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4>
        ether 00:15:b7:62:de:ec
        media: Ethernet 100baseTX <full-duplex>
        status: active
vlan20: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
1500
        options=3<RXCSUM,TXCSUM>
        ether 00:15:b7:62:de:ec
        inet 
        media: Ethernet 100baseTX <full-duplex>
        status: active
        vlan: 20 parent interface: em0
==============================================================================
fxp0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric
0 mtu 1500

options=219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC>
        ether 00:02:b3:61:d5:5a
        media: Ethernet 100baseTX <full-duplex>
        status: active
vlan20: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
1500
        options=3<RXCSUM,TXCSUM>
        ether 00:02:b3:61:d5:5a
        inet 
        media: Ethernet 100baseTX <full-duplex>
        status: active
        vlan: 20 parent interface: fxp0



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