5Model 4520 & 4110 Series Getting Started Guide Contents12 NAT/NAPT configuration........................................................................................................................... 133Introduction ........................................................................................................................................................134Dynamic NAPT ...........................................................................................................................................134Static NAPT .................................................................................................................................................135Dynamic NAT ..............................................................................................................................................136Static NAT ...................................................................................................................................................136NAPT traversal .............................................................................................................................................137NAT/NAPT configuration task list .....................................................................................................................137Creating a NAPT profile ...............................................................................................................................137Activate NAT/NAPT ....................................................................................................................................138Displaying NAT/NAPT configuration information ......................................................................................13913 Ethernet port configuration ........................................................................................................................ 141Introduction ........................................................................................................................................................142Ethernet port configuration task list ....................................................................................................................142Entering the Ethernet port configuration mode ............................................................................................143Configuring medium for an Ethernet port ....................................................................................................143Configuring Ethernet encapsulation type for an Ethernet port ......................................................................144Binding an Ethernet port to an IP interface ..................................................................................................144Selecting the frame format for an Ethernet port ............................................................................................145Configuring layer 2 CoS to service-class mapping for an Ethernet port .........................................................146Adding a receive mapping table entry ......................................................................................................147Adding a transmit mapping table entry ...................................................................................................147Closing an Ethernet port ...............................................................................................................................14814 Link scheduler configuration ...................................................................................................................... 151Introduction ........................................................................................................................................................152Applying scheduling at the bottleneck ...........................................................................................................152Using traffic classes .......................................................................................................................................152Introduction to Scheduling ...........................................................................................................................153Priority ....................................................................................................................................................153Weighted fair queuing (WFQ) ................................................................................................................153Shaping ...................................................................................................................................................153Burst tolerant shaping or wfq ..................................................................................................................154Hierarchy ................................................................................................................................................154Quick references ..................................................................................................................................................155Setting the modem rate .................................................................................................................................155Command cross reference .............................................................................................................................156Link scheduler configuration task list...................................................................................................................156Defining the access control list profile ...........................................................................................................157Packet classification .................................................................................................................................157Creating an access control list ..................................................................................................................158Creating a service policy profile .....................................................................................................................159Specifying the handling of traffic-classes ........................................................................................................161Defining fair queuing weight ...................................................................................................................161
