Troubleshooting guide

6-20
ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
Chapter 6 Troubleshooting Switch Router ATM Network Connections
Troubleshooting SVC Connections on a PNNI Routing Network
Step 6 Check to see whether the IF Status is UP. If it is not, see Chapter 5, “Troubleshooting Switch Router
ATM Interface Connections.”
Step 7 Check to see whether the IF-type is UNI. If it is not, see the “Configuring Interfaces” chapter in the ATM
Switch Router Software Configuration Guide.
Step 8 Check to see whether the Uni-version is compatible at both end systems. If it is not, see the “Configuring
Interfaces” chapter in the ATM Switch Router Software Configuration Guide.
Follow these steps to confirm that the SVC connections have the correct ILMI and active signaling
SSCOP status:
Step 1 Use the show atm interface atm command to confirm the originating end of the SVC connection:
RemDvLs1# show atm interface atm 3/1/1 status
Interface IF Admin Auto-Cfg ILMI Addr SSCOP Hello
Name Status Status Status Reg State State State
------------- -------- ------------ -------- ------------ --------- --------
ATM3/1/1 UP up done UpAndNormal Active n/a
RemDvLs1#
Step 2 Use the show atm interface atm command to confirm the terminating end of the SVC connection:
EngFl1Ls1# show atm interface atm 0/0/0 status
Interface IF Admin Auto-Cfg ILMI Addr SSCOP Hello
Name Status Status Status Reg State State State
------------- -------- ------------ -------- ------------ --------- --------
ATM0/0/0 UP up done UpAndNormal Active n/a
EngFl1Ls1#
Step 3 Check to see whether the IF Status is UP. If it is not, see Chapter 5, “Troubleshooting Switch Router
ATM Interface Connections.”
Step 4 Confirm the ILMI Addr Reg State is Up And Normal.
Step 5 Confirm the SSCOP State is Active.
If either of these steps indicate a problem, use the show running-config command to check both the
terminating and originating ends of the SVC connection for a valid interface configuration. Otherwise,
continue with the following checks.
Follow these steps to check the addresses registered for the UNI interfaces:
Step 1 If the interfaces support ILMI, use the show atm ilmi-status command on the originating end of the
SVC to verify that the expected end-system ATM addresses are registered for the UNI interfaces.
Step 2 If the interfaces support ILMI, use the show atm ilmi-status command on the terminating end of the
SVC to verify that the expected end-system ATM addresses are registered for the UNI interfaces.
Step 3 Confirm the expected end-system ATM addresses are registered for the UNI interfaces.
For interfaces that do not support ILMI, use the show running-config command to verify that a static
route has been configured with the correct end-system ATM address.