2000-A2-GB20-10 - 116 - February 2004Configur-ing IPHeaderCompres-sion (IPHC)IPHC reduces the number of bytes transmitted across the WAN, thusconserving bandwidth.To enable or disable IP header compression, follow these steps:1. On the Router Configuration menu, type Q.2. The IAD displays the port table and prompts for a port:Port VPI VCI Encapsulation Type PCR Service1 0 40 RFC 1483 (with LLC Encap)3641 UBRTotal = 3641 cpsMaximum PCR this interface can support = 3622 cpsSelect Port: [1-8]Type the port number and press Enter.3. The IAD displays the header compression status and prompt:IP Header Compression for SDSL, Port 1 is currentlyDISABLEDEnter E to Enable, D to Disable:Type E to enable IP header compression on this port, or D to disable it.If you enable IP header compression, the IAD displays the followingmessage:Springtide Compatibility mode ENABLED (currently notselectable)The IAD saves the changes and displays the Router Configurationmenu.4. Continue with other configuration tasks, or press Escape to return tothe Main menu.5. Reset the IAD (page 14) when you finish configuration.Configur-ing the LANIP Broad-cast Desti-nationTo set the LAN IP broadcast destination address (where all broadcast IPpackets received on the LAN ports will be redirected), follow these steps:1. On the Router Configuration menu, type B.2. The IAD displays the current LAN IP broadcast destination addressand a prompt:Current LAN IP Broadcast destination Address =0.0.0.0Enter new LAN IP Broadcast destination address:Type the new IP address.3. The IAD saves the changes and displays the Router Configurationmenu.4. Continue with other configuration tasks, or press Escape to return tothe Main menu.5. Reset the IAD (page 14) when you finish configuration.Displayingthe RouteTableTo display the Route table and view information about statically configuredroutes and dynamically learned ones, type D on the Router Configurationmenu.The IAD displays each network address and related information:
