Nortel Networks 4050 manual System diagnostics, Installed certificates, Network diagnostics

Chapter 18 Troubleshooting 847

System diagnostics

The following are useful diagnostic display commands. For more information about the commands, use the alphabetical listings in Appendix A, “CLI reference,” on page 803 to cross-reference to where the commands are described in more detail in this guide.

To view diagnostic information in the SREM, see “Running Nortel SNAS 4050 diagnostics using the SREM” on page 754.

Installed certificates

To view the currently installed certificates, enter the following command:

>>Main# /info/certs

To view detailed information about a specific certificate, access the Certificate menu and specify the desired certificate by its index number:

>>Main# /cfg/cert

Enter certificate number: (1-) <certificate number by

index>

>> Certificate 1# show

Network diagnostics

To check if the Nortel SNAS 4050 is able to contact configured network access devices, routers, DNS servers, authentication servers, and IP addresses or domain names specified in group links, use the following command:

>>Main# /maint/chkcfg

The screen output provides information about each configured network element and shows whether the network test was successful or not. The method used to check the connection (for example, ping) is also displayed.

Nortel Secure Network Access Switch 4050 User Guide