RAD Data comm Modular Access Device with Integrated Router, E1/T1 Troubleshooting and Diagnostics

FCD-IPMInstallation and Operation Manual Chapter 6 Troubleshooting and Diagnostics

Table 6-4. IP Connection to WAN Troubleshooting (Cont.)

Trouble symptoms	Possible cause	Recommended Course of Action
For PPP: connection status	PPP connection establish but	Check PPP configuration of FCD-IPM
shows “LCP”	no IPCP connection	and the unit opposite.
For Frame Relay: connection	There is physical connection	Check connection between modem
status shows “port down”	but no frame relay port UP	and frame relay switch.
		Check FCD-IPM and switch
		configuration.
For Frame Relay: link	There is physical connection	Check if the unit opposite the DLCI is
connection status shows “port	UP and frame relay port UP	ON.
UP” and DLCI connection	but specific DLCI is down	Check FCD-IPM, frame relay switch
shows “DLCI down”
		and the opposite unit configuration.
Physical and logical	IP configuration problem	Look for mistakes in IP routing table,
connections are OK but no IP		HOST IP addresses, default gateway.
connection

Router Connections Troubleshooting 6-3