SWAN Concentrator and WAN Subsystem Troubleshooting Guide

SWAN Concentrator and WAN Subsystem Troubleshooting Guide—426992-008
6-1
6
Troubleshooting Tips for the SWAN
Concentrator and the WAN
Subsystem
This section provides SWAN concentrator troubleshooting tips and identifies common
SWAN concentrator problems. A good understanding of the SWAN concentrator and
WAN subsystem and normal operation of your network are the most crucial elements
in problem resolution.
For more information about the WAN subsystem, see the WAN Subsystem
Configuration and Management Manual.
For more information about the SWAN concentrators, including updating firmware on a
SWAN concentrator, see the:
•
SWAN Concentrator Installation and Support Guide
•
SWAN 2 Concentrator Installation and Support Guide
Topics described in this section include:
•
Latent Failure Detection (LFD) on page 6-2
•
CLIP Dump Detection and Recovery on page 6-3
•
Device Configuration Guidelines for Optimum Performance on page 6-5
•
Ownership Errors and Resolutions on page 6-5
•
Finding the VPROC of the Firmware on page 6-7
•
Checking CLIP Accessibility on page 6-8
•
Restarting and Resetting the CLIP Through the Software on page 6-9
•
Finding the MAC Address of the CLIP on page 6-10
•
Finding the Current PATH Status of the CLIP on page 6-11
•
TCP/IP, Parallel Library TCP/IP, and NonStop TCP/IPv6 on page 6-12
•
Configuring the Correct Track-ID on page 6-13
•
Troubleshooting if the CLIP is Inaccessible on page 6-14
Note. Throughout this guide when a distinction between a SWAN concentrator (T3880) and a
SWAN 2 concentrator (T3881) is not required, SWAN concentrator is used as a collective term.