Hi Remco/ Ben, A very interesting topic. How do we deal with MTU issues however, does it go up to 1526 now (1518 to 1522 to 1526)? Seems there is strong interest in the deployment of Q-in-Q however. Thanks, Vishwas -----Original Message----- From: vlan-bounces@xxxxxxxxxxxxxxx [mailto:vlan-bounces@xxxxxxxxxxxxxxx] On Behalf Of Remco van Mook Sent: Monday, December 06, 2004 2:36 PM To: 'Linux 802.1Q VLAN' Subject: RE: [VLAN] vlan stacking While I agree with Ben that it will probably 'just work', what would be very nice is to be able for every layer of vlan tags to be able to set the ethertype; while 0x8100 is default for 802.1p/q, there is no standard for 'q in q'. Some switch vendors choose 0x9100, others let you set a type in configuration. How about the following extra command in vconfig (with the implementation in the kernel to match, of course :) set_ether_type <interface-name> <ethertype> Offloading vlan tags to a nic probably won't work using other ethertypes, but otherwise implementation ought to be fairly simple. Cheers, Remco van Mook Virtu -----Original Message----- From: vlan-bounces@xxxxxxxxxxxxxxx [mailto:vlan-bounces@xxxxxxxxxxxxxxx] On Behalf Of Ben Greear Sent: Sunday, December 05, 2004 01:04 To: hans.dengel@xxxxxxxxxxxxx; Linux 802.1Q VLAN Subject: Re: [VLAN] vlan stacking Hans Dengel wrote: > Hi, > > maybe a typical newbie question: > is there any implemantation on "q in q" or stacked vlans or vman? I think it will just work in Linux...but I'm not aware of any other stack that will support it. Ben
