Cisco 10000 Series Troubleshooting Manual page 42

OC-12 POS Line Card Alarms and Error Messages
Table 5-1
Alarm Type and Severity
SLOS
Section Loss of Signal
Critical
SLOF
Section Loss of Frame
Critical
LAIS
Alarm Indicate Signal –
Line
Major
LRDI
Remote Defect
Indication – Line
Major
PAIS
Alarm Indicate Signal –
Path
Minor
Cisco 10000 Series Router Troubleshooting Guide
5-2
SONET Alarms
Alarm Symptoms
Alarm messages appear in the
1.
CLI and logs.
Service on the SONET line
2.
card is lost.
If APS 1+1 redundancy is
3.
enabled, trunk service cuts
over to the alternate line card.
1. Alarm messages appear in the
CLI and logs.
2. Service on the SONET trunk is
lost.
If APS is enabled, trunk
3.
service cuts over to the
alternate line card.
This alarm is indicative of a
1.
remote problem.
Alarm messages appear in the
2.
CLI and logs.
Alarm messages appear in the CLI
and logs.
Alarm messages appear in the
1.
CLI and logs.
This is sent by a site that has
2.
received LAIS.
Chapter 5 Cisco 10000 Series Router Alarms and Error Messages
Recommendation
Check the fiber optic cable to
1.
make sure it is plugged in.
Verify that the local fiber optic
2.
cable is not damaged.
Make sure that the remote end of
3.
the fiber optic cable is
connected, undamaged and that
the remote port is configured
properly.
1. Check the fiber optic cable to
make sure it is plugged in.
2. Verify that the fiber is not
damaged.
Make sure that the remote end of
3.
the fiber optic cable is connected
and the router properly
configured.
Verify that the remote
1.
configuration is correct.
Check the line status the remote
2.
end of the link.
RDI – Line problems arise from the
remote interface.
Check the remote site for alarm
conditions.
This is sent by a site that has received
LAIS. This is a minor warning, and
no action needs to be taken except to
monitor the far end.
If the alarms are persistent, verify the
interface configurations on both ends
of the trunk.
OL-0439-02