Chapter 8 Troubleshooting

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:

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:

• CLI command

 

RJ 45 connector is not

 

Reconnect the cable to the Mng

 

 

• Mng LINK LED not

show interface

 

connected to the platform or

 

1 port and to network.

 

 

 

to the network

 

 

 

 

 

lit

FastEthernet 0/0

 

 

 

 

 

• Status is WARNING

ping to

 

 

 

 

 

 

 

(Status LED is

management

 

 

 

 

 

 

 

flashing orange)

interface fails

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable is connected to Mng 2

 

Reconnect the cable to the Mng

 

 

 

 

 

 

port.

 

1 port.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable is broken

 

Check / Replace the cable.

 

 

 

 

 

 

 

 

 

 

Management link up:

CLI commands

 

One of the following

 

See Initial System Configuration

 

 

• Mng LINK LED is lit

• show ip route

 

configurations may be wrong:

(on page 5-3)

 

 

 

IP address / subnet mask

 

Refer to "IP Configuration" in

 

 

ping to

• show ip default-

 

 

 

 

 

IP default gateway

 

the Cisco SCE 2000 4xGBE

 

 

 

management interface

gateway

 

 

Software Configuration Guide.

 

 

 

fails

 

 

 

 

 

 

 

 

 

CLI command

 

An ACL may be assigned

 

See Initial System Configuration

 

 

 

 

show access-lists

 

that denies entry.

 

(on page 5-3)

 

 

 

 

 

 

 

Refer to "Access Control Lists"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

in the Cisco SCE 2000 4xGBE

 

 

 

 

 

 

 

 

Software Configuration Guide.

 

 

 

 

 

 

 

 

 

 

• Telnet connection

• CLI command

 

Management interface IP

 

Check / reconfigure

 

 

 

cannot be established

show interface

 

address or subnet mask is

 

management port IP address and

 

 

• Mng LINK LED is

FastEthernet 0/0

 

incorrect

 

subnet mask

 

 

 

not lit (link is down)

 

 

 

 

 

 

 

 

SCE 2000 4xGBE Installation and Configuration Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8-12

 

 

 

 

 

 

 

OL-7824-02

 

 

 

 

 

 

 

 

 

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Cisco Systems SCE 2000 4xGBE manual Troubleshooting the Management Subsystem, Refer to IP Configuration

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