[VLAN] Linux Vlans: Supported Standards/Limitations

[Carlos Carvalho]

Ben Greear (greearb at candelatech.com) wrote on 19 May 2006 08:54:
 >Megh Ranade wrote:
 >> I understand that the Linux 2.6 implementation supports the 802.1q standard. 
 >> However, I am unable to 'see' support for the following - when I read the 
 >> documentation & the 'man page' for the vconfig cmd:
 >> 
 >>        - PVID allocation for a port/interface
 >> 	- Dynamic vlans (GVRP) support
 >> 	- Protocol based vlan classification (802.1v (what today is (802.1q-3003 ) )
 >
 >There may be tricks you can play with the bridging, firewalling and traffic
 >clasification logic to support this feature set.
 >
 >In particular, I believe that adding a bridge that includes a
 >regular ethernet port and one or more VLANs accomplishes the PVID
 >feature.

Exactly. I'm using this right now. I have a single ethernet card,
eth0. Packets routed to it go without tags so that they get the PVID
in the switch. There are also 60+ vlans, eht0.1, eth0.2, etc. They all
leave with tags.