Troubleshooting The Management Subsystem - Cisco CE 2000 Platform SCE 2000 4xGBE Installation And Configuration Manual

Problem Solving Using a Subsystems Approach

Troubleshooting the Management Subsystem

Check the following to help isolate a problem in the management subsystem.
Problems in the management subsystem could be any of the following:
•
•
•
•
•
Note When the management link is down and/or a Telnet connection cannot be established, you must open a
CLI session on a local terminal connected to the CON port. This enables you to solve the problem and
then reconnect through the management port.
Table 8-6
Symptom
Management link down:
• Mng LINK LED not
lit
• Status is WARNING
(Status LED is
flashing orange)
Management link up:
• Mng LINK LED is lit
• ping to
management interface
fails
• Telnet connection
cannot be established
• Mng LINK LED is
not lit (link is down)
SCE 2000 4xGBE Installation and Configuration Guide
8-12
Management link is down. (Mng LINK LED not lit--also Status is WARNING)
Management link is up (Mng LINK LED lit) but does not answer ping
Telnet connection cannot be established due to link problems (Mng LINK LED not lit)
Management link is up (Mng LINK LED lit) but Telnet connection cannot be established
Telnet connection established, but terminates automatically
Troubleshooting the Management Subsystem
Diagnostic Action
• CLI command
show interface
FastEthernet 0/0
• ping to
management
interface fails
CLI commands
• show ip route
• show ip default-
gateway
CLI command
show access-lists
• CLI command
show interface
FastEthernet 0/0
Possible Cause
RJ 45 connector is not
connected to the platform or
to the network
Cable is connected to Mng 2
port.
Cable is broken
One of the following
configurations may be wrong:
IP address / subnet mask
IP default gateway
An ACL may be assigned
that denies entry.
Management interface IP
address or subnet mask is
incorrect
Chapter 8 Troubleshooting
Possible Solution
Reconnect the cable to the Mng
1 port and to network.
Reconnect the cable to the Mng
1 port.
Check / Replace the cable.
See Initial System Configuration
(on page 5-3)
Refer to "IP Configuration" in
the Cisco SCE 2000 4xGBE
Software Configuration Guide.
See Initial System Configuration
(on page 5-3)
Refer to "Access Control Lists"
in the Cisco SCE 2000 4xGBE
Software Configuration Guide.
Check / reconfigure
management port IP address and
subnet mask
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