When I try to configure an interface for Phase 2, why do I get a message that says port violates internet compatibility mode?
A. The Cisco router has detected that a nearby router requires that the internet remain in what is known as “internet compatibility” mode. This results when you have a mixture of Phase 1 and Phase 2 routers on your internet. Note: A Phase 1 router is one that supports only Phase 1 routing; a Phase 2 router with non-extended interfaces is still a Phase 2 router. Q. Customer cannot get AppleTalk to work with the chooser, and the client claims that no ZIP information gets to his client in a network with a Catalyst 5000 switch. A. The Catalyst 4000 and 6000 work fine with this feature, but, in the Catalyst 5000, there are hardware limitations. No local chooser traffic appears on the LAN. The chooser does not respond with anything in it in a network that uses a Catalyst 5000 switch. The workaround is to disable the protocols on the ports, which are connected to AppleTalk clients that use the set port protocol command. You can see the protocol enable/disable status for a port if you issue th
