>>>>> "Ben" == Ben Greear <greearb@candelatech.com> writes:
Ben> Howdy, I'm working on adding 802.1Q VLAN support to the Linux
Ben> kernel, and need some driver help, if possible.
Ben> The problem is that VLAN pkts need a extra 4 bytes in their
Ben> header, and many (not all) drivers will not accept the larger
Ben> pkts. This means that to actually get them to work I have to set
Ben> the MTU on the VLAN interface to 1496, instead of 1500. This is
Ben> a hack at best, and really means that the driver/card combo will
Ben> not work in a production VLAN environment.
Ehhm, are you trying to transmit packets which are outside the
Ethernet spec? That doesn't sound like a particularly good idea to
me. If you want to send an extra 4 bytes of date, you have to nick
that from the data area in order to be within spec.
Jes
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This archive was generated by hypermail 2b29 : Mon Mar 20 2000 - 00:00:58 EST