Diagnostics and Troubleshooting8-138000-A2-GB20-20 November 1997IP Routing ProblemsPROBLEM: Stations cannot communicate through the router.Incorrect IP address.Incorrect Subnet MaskACTION: 1. Check to see that IP addresses have been configuredcorrectly (seeWho Am I screen in Chapter 3, andConfiguration →Interfaces (A-C) in Chapters 5 and 6).2. Go to:Configuration →Interface →Control (A-C-C) andmonitor the state of the system for e1a Bridge Up(forwarding).No PPP TrafficPROBLEM: PPP circuit is forwarding no traffic.ACTION: 1. Verify that the DSL link is up.2. Go to:Configuration →Interface →Control (A-C-C) andmonitor the state of the system.3. If the IP state is up and the local and peer IP addresses aredisplayed, IPCP is completed.4. If the IP state is missing from the screen, check that the porthas an IP address assigned.5. If the IP state is missing from the screen, check that the porthas an IP address assigned.No Response at Start UpPROBLEM: DSL cards do not respond at start-up after rebooting chassis.ACTION: 1. Reset the MCC card.2. Be sure LEDs go through the reset sequence once. Then, asecond time after 15–20 seconds.3. Reconfigure each DSL card (seeConfiguration →CardStatus (A-A) in Chapter 6).
