Troubleshooting The Management Subsystem - Cisco SCE8000 GBE Installation And Configuration Manual

Chapter 8 Troubleshooting

Troubleshooting the Management Subsystem

Check
Problems in the management subsystem could be any of the following:
•
•
•
•
•
When the management link is down and/or a Telnet connection cannot be established, you must open a
Note
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 8-7 Troubleshooting the Management Subsystem
Symptom
Management link down:
• Mng LINK LED not lit
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)
OL-19897-02
Table 8-7 to help isolate a problem in the management subsystem.
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
Diagnostic Action
• CLI command show
interface
GigabitEthernet 1/1
ping to management
•
interface fails
CLI commands
• show ip route
show ip
•
default-gateway
CLI command
show access-lists
CLI command show
•
interface
GigabitEthernet 1/1
Possible Cause
RJ 45 connector is not
connected to the platform or
to the network.
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.
Cisco SCE8000 GBE Installation and Configuration Guide
Troubleshooting Overview
Possible Solution
Reconnect the cable to the
GBE port and to network.
Check / Replace the cable.
See Initial Setup Parameters,
page 5-2
Refer to "Setting the IP
Address and Subnet Mask of
the Management Interface"
section in the Cisco SCE8000
GBE Software Configuration
Guide.
See Initial Setup Parameters,
page 5-2
Refer to "Configuring Access
Control Lists (ACLs)" section
in the Cisco SCE8000 GBE
Software Configuration
Guide.
Check / reconfigure
management port IP address
and subnet mask
8-9