Troubleshooting guide

Contents
vii
ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
Checking the PNNI and Signaling Control Channels 6-37
Checking PNNI PVC Status on Lowest-level Interfaces 6-38
Checking PNNI Interface Metric Configuration for Lowest-level Interfaces 6-40
Debugging PNNI Hello State at the Lowest-level 6-41
Troubleshooting PNNI SVCC-RCC and Higher-level Links 6-42
Checking the PNNI Aggregated Horizontal Link Interface Status 6-43
Checking SVCC-RCC Status 6-44
Checking SVCC-RCC Hello State 6-45
Debugging SVCC-RCC and Higher-level Link Problems 6-46
Troubleshooting PNNI Hierarchical Networks 6-47
Checking Uplinks for Peer Group 6-48
Checking Missing Upnode or Aggregation Token Pairs 6-49
Checking the Induced Port on the LGNs 6-50
Checking Link Aggregation 6-51
Troubleshooting PNNI Addresses and Address Summarization 6-52
Checking PNNI Address Prefix Configurations 6-52
Debugging Summary Addresses 6-54
Troubleshooting Virtual Path Tunnel Connections 6-55
Checking VP Tunnel Configuration 6-56
Checking Virtual Path PVP Configuration 6-57
Debugging VP Tunnel Connection Management 6-58
Troubleshooting Dropped Connections 6-58
Determining Cell Drop Location 6-59
Checking Line and Circuit Oversubscription 6-60
Checking Traffic Priority 6-61
Checking Network Circuit Timing 6-62
Using PNNI Trace Connection 6-64
Initiating a Trace Connection 6-65
Displaying the Trace Connection Output 6-66
Deleting the Trace Connection Output 6-69
CHAPTER 7 Troubleshooting LAN Emulation Switching Environments 7-1
Example of LANE Troubleshooting 7-1
Initial Troubleshooting of LANE 7-3
Checking Basic LANE Configuration 7-3
Checking LANE Client Configuration 7-5
Checking the Configuration Server Database 7-8
Debugging the LANE Connection 7-9