Version 6 SuperStack 3 Switch 4400 Management Interface Reference Guide

Support - Problem Solving - SNMP Management Software Problems
http://support.3com.com/infodeli/tools/switches/4400/DHA1720-3AAA08/htm/support/problemsolving/snmpproblems.htm[11/15/2010 3:44:03 PM]
changing the engine-id invalidates the passwords).
Traps are not received by the SNMP Network Management
software.
Check that the IP information of the SNMP Network Management
software is correctly recorded by the Switch. The issue of IP information
affects both SNMPv1 Traps, SNMPv3 traps and SNMPv3 informs.
SNMPv3 traps will not be sent if the local user they are being sent from
has been deleted or has had SNMPv3 access disabled.
The SNMP Network Management software can no longer access
the Switch.
Check that:
Remote access to the management software of the Switch has
not been disabled.
The port through which you are trying to access the Switch has
not been disabled. If it is enabled, check the connections and
network cabling for the port.
The port through which you are trying to manage the Switch
belongs to the management VLAN. This is the VLAN that can be
used to access the management software of the Switch.
Trusted IP Host may be configured to restrict the IP addresses
which are allowed to access the unit.
If there is still a problem, try accessing the Switch through a different
port. If you can now access the Switch, a problem may have occurred
with the original port. Contact your supplier for further advice.
Related Sections
Web Interface Problems
Command Line Interface Problems
VLAN Problems
Link Aggregation Problems
Management Software Upgrade Problems
Software Update Utility Problems
RADIUS Problems
Other Problems