Troubleshooting Alom Problems; Alom Diagnostics - Sun Microsystems IB Switch 9P Administration Manual

Troubleshooting ALOM Problems

TABLE A-4

ALOM Diagnostics

TABLE A-4
Problem Description
Can't connect to ALOM supports a total of four concurrent Telnet sessions and a single serial session. If
ALOM using the that limit is reached, further attempts to start a Telnet session will fail with an error
telnet command message about exceeded maximum number of login sessions. Example:
$ telnet ib_switch19
Trying 129.148.49.120...
Connected to 129.148.49.120
Escape character is '^]'.
Maximum login sessions (5) exceeded please retry later.
Connection closed by foreign host.
If that is the case, terminate one or more of the four active telnet sessions and retry.
(The showusers command will show where and by whom the active sessions are
being run.)
If telnet fails but there is no error message about exceeded maximum number of
login sessions, perform the following steps:
• Log in to ALOM through the serial management port and use the showsc command
• Log in to a host on the network and use the ping command to see whether ALOM
• Check that the Ethernet cable is attached.
No alerts received Check the CLI event level setting using showsc command (since it also applies for
from ALOM syslog) to make sure that you are receiving the proper levels of events. Also ensure
that the Ethernet cable is properly attached and the switch can be reached using ping
and telnet.
You can perform Specific user permissions are required to perform functions. Check your permission
some ALOM level.
functions, but not
others
64 Sun IB Switch 9P Administration Guide • October 2006
provides a list of common ALOM difficulties and their solutions.
to check the current IP settings.
can be reached on the IP address displayed by the showsc command in the previous
step.