User Guide

Troubleshooting 93
NetWare TCP/IP Administration Guide
103-000151-001
August 30, 2001
Novell Confidential
Manual 99a38 July 17, 2001
7 Troubleshooting
This chapter contains IP troubleshooting information that is divided into three
categories:
 “Troubleshooting Tools” on page 93
 “Troubleshooting Checkpoints” on page 94
 “Common Problems” on page 95
If a problem that is general in nature occurs, the procedure described in
Troubleshooting Checkpoints will help you isolate and resolve the problem.
Troubleshooting Tools
TCPCON is an NLM
TM
utility that provides access to statistics and
information about the status of various components of the TCP/IP protocol
suite. It uses SNMP to access this information from any local or remote system
on the network. TCPCON operates over TCP/IP networks. Use TCPCON to
monitor a remote system.
You can use TCPCON to perform the following tasks:
 Monitor activity in the TCP/IP network segments of your internetwork
 Display configuration information and statistics about the following
TCP/IP protocols: IP, ICMP, UDP, TCP, OSPF, and EGP
 Display the IP routes currently known to a TCP/IP node
 Display the network interfaces supported by a TCP/IP node
 Access TCP/IP information in any remote protocol stack supporting the
TCP/IP Management Information Base (MIB)