Is 802.1q support properly installed on Ubuntu? Did you rebuild the subinterfaces on the server? If so, then yea 802.1q is most likely working.
I would try to capture on the server and also on the switch interface, ingress from the router. So what the traffic looks like, if both tags are there. My guess, some package or some weird setting needs to be set on the server. Are you using ubuntu server or desktop? I also found issues with NICs when trying to use the GUI to manage the NICS. The GUI and what you configure on the CLI don't match all the time because Ubuntu has changed the way the OS manages the interfaces. Hope that helps, if I think of something more useful I'll let you know. CJ On Tue, Aug 28, 2012 at 8:34 AM, Bob McCouch <[email protected]> wrote: > Hi all, > > Sorry for the semi-off topic question, but so few people do this > specific server config I thought if anyone has an answer to this they > might be here. > > I just rebuilt my lab server last night using Ubuntu server edition > 12.04. My design uses a breakout switch to support QinQ so the routers > can have VLAN subinterfaces and integrate with physical switches. > Dynamips interfaces are tied to VLAN subinterfaces on the server using > the Dynamips nio_linux feature. > > Keep in mind, this all *worked fine* under Ubuntu 11.04. I rebuilt the > box for other reasons. No changes to the breakout switch, same > Ethernet adapters used, etc. > > Now, the real switch integration works using untagged frames from the > virtual routers, but if I use VLAN subinterfaces on the routers they > don't seem to make it through. So it's really the double-tagged frames > that seem to be a problem, or frames that are already tagged when they > hit the server. > > Again, this all worked under a previous Ubuntu, so just curious if > anyone knows of a difference with 12.04 vs earlier versions that might > need tweaking. > > Thanks. Please feel free to reply off-list to keep the noise down and > I will repost a solution I I find one. > > Thanks! > > Bob > -- > Sent from my iPhone, please excuse any typos. > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > > http://onlinestudylist.com/mailman/listinfo/ccie_rs > -- CJ http://convergingontheedge.com <http://www.convergingontheedge.com> _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
