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Troubleshooting the Opening of a Switch
Errors can occur during the opening of a switch. If an error occurs, ASEM
displays an error message. This message is illustrated in
Message" (page
Connection Error Message
If this message is displayed, the following items should be checked:
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Connecting to a ASEM Server
When connecting to a switch through the ASEM, the user also has the
option of connecting to an ASEM Server. To connect to a ASEM Server,
follow this procedure:
Copyright © 2008, Nortel Networks
.
11).
In slower networks, increase the Retry Count and Timeout values on
the Properties screen. See
information on performing this task.
In the Open Device screen, ensure that the correct read and write
community strings have been entered for SNMP version 1 and 2
connections. See
"Opening a Switch Using SNMP versions 1 or 2"
(page 8)
for more information on performing this task.
In the Open Device screen, ensure that the correct SNMP version 3
information has been entered for SNMP version 3 connections. See
"Opening a Switch using SNMPv3" (page 10)
performing this task.
Ensure that the switch is physically connected to the network.
Ensure that the switch is turned on and receiving power.
Ensure that the switch has been assigned a correct IP address.
Ensure that the correct IP address is being used in the Open Device
screen.
Ensure that the problem does not exist because of an unrelated network
misconfiguration.
Ensure that SNMP access is enabled on the switch. Refer Nortel
Application Switch Operating System 24.0 Command Reference
(NN47220-105) for information on enabling SNMP access.
Ensure that switch is not blocking access from the client IP address.
Nortel Application Switch Element Manager
Users Guide
NN47220-101 (320512-D) 01.01 Standard
5.0 28 January 2008
"Setting ASEM Properties" (page 5)
for more information on
Opening a Switch 11
"Connection Error
for
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