3Com Router 3000 Ethernet FamilyConfiguration Guide Chapter 1 DCC Configuration3Com Corporation1-30II. Specifying a physical interface for placing/receiving callsWhen multiple physical interfaces are assigned to a dialer interface and their dial-uplinks are connected to different ISDN switches, you need to associate dial-up numberswith physical interfaces. This configuration is intended for dialer interfaces only and isnot available with RS-DCC.Table 1-26 Specify the physical interface for placing/receiving callsOperation CommandSpecify the physical interface forplacing/receiving callsdialer route protocol next-hop-address[ mask network-mask-length] [ userhostname ] [ broadcast ] [ dial-number ][ auto-dial ] interface interface-typeinterface-numberRemove a dialer routeundo dialer route protocolnext-hop-address [ masknetwork-mask-length]1.2.8 Configuring Special DCC FunctionsI. Configuring ISDN leased lineThis function can only be used with C-DCC and must be implemented after C-DCC hasbeen configured. ISDN leased line application is fulfilled through establishing semipermanent ISDN MP connections. Such application requires that a leased line hasbeen established on the PBX of the telecommunication service provider and has beenconnected to the remote device.Perform the following configuration in dial interface (ISDN BRI or PRI interface) view.Table 1-27 Configure ISDN leased line for C-DCCOperation CommandConfigure a B channel for ISDN leasedline connection dialer isdn-leased numberDelete the B channel for ISDN leasedline connection undo dialer isdn-leased numberBy default, no B channel is configured for ISDN leased line connection.ISDN BRI interfaces support both 64 kbps leased lines and 128 kbps leased lines. Formore information, refer to the chapter discussing ISDN configuration in the “Line LayerProtocol” part of this manual.
