On 10/29/07, Benny Amorsen <benny+usenet@xxxxxxxxxx> wrote: > >>>>> "LS" == Leigh Sharpe <lsharpe@xxxxxxxxxxxxxxxxxxxxxx> writes: > > LS> Standard e1000 hardware. The packets being bridged contain a VLAN > LS> tag, which is included in the 60 bytes. > > The e1000 has VLAN acceleration. The VLAN tag is sent in a separate > register. If you do packet capture on the sender, the packet will > likely look 60 bytes long, even if it is 64 bytes on the wire. > > The same thing happens on receive. Packet dumping with VLAN's is a bit > of a mess in Linux. If you're lucky you can find a card without VLAN > acceleration to do the packet dump. > > > /Benny > Are these the lengths on the wire or when captured on the host? The smallest VLAN tagged frame should be 68 bytes IIRC. A tagged frame that is 64 bytes seems too small. _______________________________________________ Bridge mailing list Bridge@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/bridge
