Passport 6400 nodes direct PANL traffic across the Passport network, providing PANL switching functions (see the illustration below). In addition, PANL connections to a Passport 6400 node gives your Passport 4400 access to a variety of interworking services, including the following:
For more information about using a Passport 6400 in your Passport network,
please refer to
Reference for Passport 4400 and 6400 Interworking.