... 1 - 6 CCNA 4: WAN Technologies v 3.0 - Lab 4 .2. 1 Copyright 20 03, Cisco Systems, Inc. Lab 4 .2. 1 Configuring ISDN BRI (U-Interface) Objective ... 800 series routers • 16 00 series routers • 17 00 series routers • 25 00 series routers • 26 00 series routers 2 - 6 CCNA 4: WAN Technologies v 3.0 - Lab 4 .2. 1 Copyright 20 03, Cisco Systems, ... spid1 and isdn spid2. To configure the SPIDs issue the following commands: Ottawa(config)#interface bri 0 Ottawa(config-if)#isdn spid1 510 55 510 0000 01 55 510 00 Ottawa(config-if)#isdn spid2 510 55 510 010 001...