I have a rather large migration involving Cisco IP Phones (1500 lines).  My vendor tells me that when they put the model number and the MAC address into their call manager system, it gives an error message if the MAC doesn't line up with the model. ...

We have a situation where IP traffic destined for a specific interface experiences slowdowns and timeouts, but traffic passing through the same interface but for addresses outside the router or even other interfaces on the same router works fine.Exam...