Re: 802.1q with 0 tag

2018-10-14 Thread Tom Smyth
Hello Rivo, Im not sure what benefit if any this would be, I have seen both tagged and untagged frames on ports in"general" mode would it not be better to have the priority set on the DSCP / TOS ie determining the priority against a field that you know exists...as opposed as opposed to making pri

Re: 802.1q with 0 tag

2018-10-12 Thread Rivo Nurges
Hi! I'll look into the problems(vlan interface with 0 tag and issues priority differeces) you mentioned. I tested your idea of having vlan interface without tag and IP on top of physical interface, but IP traffic doesn't get picked up by parent. Extreme(Brocade) SLX does it. Depending on the ingr

Re: 802.1q with 0 tag

2018-10-11 Thread David Gwynne
Hi Rivo, vlan(4) can be configured to receive (and send) packets with 0 as the tag on the wire, which this diff will break. I'm pretty confident you can leave an IP configured on the physical network interface, and create and configure a vlan interface on it without setting a VLAN id. The unta

802.1q with 0 tag

2018-10-11 Thread Rivo Nurges
Hi! In theory 802.1q header with vlan tag 0 can be used to just signal priority. Now I'm seeing this in the wild. On a untagged port some packets are coming with dotq header and some without. Currently we drop all the packets with dotq header and vlan tag 0. Following patch fixes this by recordin