Cisco SCE 2000, Installation And Configuration Manual

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8-9
Cisco SCE 2000 4xGBE Installation and Configuration Guide
OL-7824-07
Chapter 8 Troubleshooting
Troubleshooting Overview
Troubleshooting the Management Subsystem
Check Table 8-6 to help isolate a problem in the management subsystem.
Problems in the management subsystem could be any of the following:
• 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
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 Troubleshooting the Management Subsystem
Symptom Diagnostic Action Possible Cause Possible Solution
Management link down:
•
Mng LINK LED not lit
• Status is WARNING
(Status LED is flashing
orange)
• CLI command show
interface Mng
•
ping to management
interface fails
RJ 45 connector is not
connected to the platform or
to the network. Reconnect the cable to the Mng
port and to network.
Cable not connected to
configured Mng port. Reconnect the cable to the
appropriate port or reconfigure
active port.
Interface Mng {0/1 |
0/2} active-port
Cable is broken. Check / Replace the cable.
Management link up:
•
Mng LINK LED is lit
• ping to management
interface fails
CLI commands
•
show ip route
• show ip
default-gateway
One of the following
configurations may be
wrong:
•
IP address / subnet mask
• IP default gateway
See Connecting the Management
Interfaces and Performing Initial
System Configuration, page 5-1
Refer to the Setting the “ IP
Address and Subnet Mask of the
Management Interface
” section in
the Cisco SCE 2000 and SCE 1000
Software Configuration Guide .
CLI command
show access-lists
An ACL may be assigned
that denies entry. See Connecting the Management
Interfaces and Performing Initial
System Configuration, page 5-1
Refer to “ Configuring Access
Control Lists (ACLs) ” section in
the Cisco SCE 2000 and SCE 1000
Software Configuration Guide .