Troubleshooting guide

Contents
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ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
Displaying Interface Port Configuration 5-50
Troubleshooting Channelized DS3 and E1 Frame Relay Interfaces 5-53
Port Adapter LEDs 5-53
Displaying Interface Port Configuration 5-54
CHAPTER 6 Troubleshooting Switch Router ATM Network Connections 6-1
Checking Network Connections 6-1
Troubleshooting PVP and PVC Connections 6-2
Checking the PVC Interface Status 6-3
Checking the VPI and VCI Numbers 6-4
Checking the VPI and VCI Ranges 6-5
Checking the UBR Resources 6-6
Checking the VBR and CBR Resources 6-8
Debugging the PVC Connection Management 6-8
Troubleshooting Soft PVC Connections 6-9
Checking the Interface Status 6-9
Checking the VPI Number, VCI Number, and ATM Address 6-10
Checking the Connection Management 6-12
Debugging the Connection Management 6-12
Troubleshooting Two-Ended Soft PVC Connections 6-12
Debugging Two-Ended Soft PVC Connections 6-16
Troubleshooting SVC Connections on a PNNI Routing Network 6-16
Checking the SVC Status at the End UNI Interface 6-17
Checking UNI Interfaces 6-18
Debugging SVC Signalling 6-21
Alternate SVC Diagnostics 6-22
Debugging PNNI SVC Routing 6-24
Checking ATM Routes 6-25
Checking PNNI Topology 6-26
Checking SVC Downstream 6-27
Flat Network 6-27
Hierarchical Network 6-28
Troubleshooting the PNNI Database 6-30
Checking PNNI Neighbor Database Synchronization 6-30
Checking the Flat Network or the Database Within the Same Peer Group 6-31
Checking the PNNI Hierarchical Network Database for Different Peer Groups 6-32
Troubleshooting PNNI Peer Group Leaders 6-33
Troubleshooting the PNNI Lowest-level Interface 6-36
Checking the PNNI Lowest-Level Interface 6-36