Cisco 15310-MA Průvodce řešením problémů stáhnout pdf (Strana 191)

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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, Release 9.0

78-18394-01

Chapter 2 Alarm Troubleshooting

Alarm Procedures

Clear the ETH-LINKLOSS Condition

Step 1 To clear this condition, reconnect the LAN cable on the front of the node.

Step 2 If the condition does not clear, log into the Technical Support Website at

http://www.cisco.com/techsupport for more information or call Cisco TAC (1-800-553-2447).

2.7.68 EXCCOL

Default Severity: Minor (MN), Non-Service-Affecting (NSA)

SONET Logical Object: EQPT

The Excess Collisions on the LAN alarm indicates that too many collisions are occurring between data

packets on the network management LAN, and communications between the ONS 15310-CL or

ONS 15310-MA and CTC could be affected. The network management LAN is the data network

connecting the workstation running the CTC software to the controller card. The problem causing the

alarm is external to the node.

Troubleshoot the network management LAN connected to the ONS 15310-CL or ONS 15310-MA for

excess collisions. You might need to contact the system administrator of the network management LAN

to accomplish the following steps.

Clear the EXCCOL Alarm

Step 1 Verify that the network device port connected to the ONS 15310-CL or ONS 15310-MA has a flow rate

set to 10 MB, half-duplex.

Step 2 If the port has the correct flow rate and duplex setting, troubleshoot the network device connected to the

node and the network management LAN.

Step 3 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport

for more information or call Cisco TAC (1-800-553-2447).

2.7.69 EXT

Default Severity: Minor (MN), Non-Service-Affecting (NSA)

SONET Logical Object: ENVALRM

A Failure Detected External to the NE alarm occurs because an environmental alarm is present. For

example, a door could be open or flooding could have occurred.

Clear the EXT Alarm

Step 1 Follow your standard operating procedure to remedy environmental conditions that cause alarms. The

alarm clears when the situation is remedied.

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