Network card Intel and 802.1P tag
Andrey O.Sokolov
arctic at alkar.net
Wed Aug 5 09:12:42 UTC 2009
Hi!
I have two network interfaces - fxp and em
When i send on both interface packet with 802.1P tag, i see this tag on
fxp and don't see on em.
em:
10:41:14.849139 00:18:ba:8a:c8:c1 (oui Unknown) > 00:15:b7:62:de:ec (oui
Unknown), ethertype 802.1Q (0x8100), length 118: vlan 20, p 0
fxp:
10:40:56.259886 00:18:ba:8a:c8:c1 (oui Unknown) > 00:02:b3:61:d5:5a (oui
Unknown), ethertype 802.1Q (0x8100), length 118: vlan 20, p 4
FreeBSD 7.2-RELEASE
em0: <Intel(R) PRO/1000 Network Connection 6.9.6> port 0xbfe0-0xbfff mem
0xffae0000-0xffafffff irq 16 at device 0.0 on pci1
fxp0: <Intel 82550 Pro/100 Ethernet> port 0xa000-0xa03f mem
0xe4020000-0xe4020fff,0xe4000000-0xe401ffff irq 19 at device 1.0 on pci2
miibus0: <MII bus> on fxp0
Any idea how I can see 802.1P tag on em?
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