On Sun, Mar 14, 2010 at 8:51 AM, Phil Mayers <[email protected]> wrote: > On 03/12/2010 07:21 PM, Jay Nakamura wrote: >> >> We have an Extreme Summit switch where I found that if you have two >> separate ports on different VLANs, and the same MAC address enters the >> switch on those two completely different VLANs, the switch will start >> having problems forwarding traffic. (Or only use the first entry in >> the FDB, I am not sure what it actually does other than half of the >> traffic drops.) Extreme support has confirmed that this is by design. > > Which model? We've run several.
Summit X350 XOS 12.0.4.5 Yes, XOS is a little old. But I don't want to go through maintenance and upgrade if it won't fix the problem. > The only time I've ever seen this is when netlogin is enabled; you can't > have a mac which is inserted into the FDB via netlogin on two ports. > > It certainly doesn't happen with "ordinary" configs. Yet the extreme support people are saying that this is how it is. _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
