Cisco 10720 Configuration Guide - Page 112

Alarm, Description, Solution, SRP1/1 Side A Keepalive

Page 112 highlights

Alarm Messages Chapter 4 Troubleshooting Table 4-1 Keepalive Alarm Messages for All Uplink Cards (continued) Alarm Description SRP1/1 Side A Keepalive SONET line signal degrade Failure (LSD) SRP1/1 Side A Keepalive SONET line signal degrade Failure (LSD) SRP1/1 Side A Keepalive Keepalive failure removed; OK Layer 2 Keepalive receiving correctly RPR-IEEE1/1 span WEST Keepalive Failure (MAC) MAC failure is detected RPR-IEEE1/1 span SONET section loss of signal WEST Keepalive Failure (SLOS) RPR-IEEE1/1 span WEST Keepalive Failure (SLOF) RPR-IEEE1/1 span WEST Keepalive Failure (LSD) SONET section loss of frame SONET line signal degrade RPR-IEEE1/1 span WEST Keepalive Failure (LSF) SONET line signal failure RPR-IEEE1/1 span WEST Keepalive Failure OK Keepalive signal removed, Layer 2 Keepalive receiving correctly Solution Check the affected fiber, transmit and receive ports. Check power level. This is a SONET layer 1 issue with signal degrade. Check the neighbor node/transport/regenerator for SONET layer 1 issues (LOS, LSF). This is a SONET layer 1 issue with an intermediate unit (usually transport connection or regenerator) forwarding an AIS. None. Check transport span for problems. Typically RPR ring traverses a SONET layer connection, creating this error. Check fiber for breaks, power level, and connectivity. This is a SONET Layer 1 issue with fiber. Check the fiber for degredation in (power level) or clocking (interval versus line). Check the affected fiber transmit (TX) and receive (RX) ports. Check the power level. This is a SONET Layer 1 issue with signal degradation. Check the neighboring node/transport/regenerator for SONET layer 1 issues (LOS, LSF). This is a SONET Layer 1 issue with an intermediate unit (usually transport connection or regenerator) forwarding an AIS. None. 4-12 Cisco 10720 Internet Router Installation and Configuration Guide 78-13062-10

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4-12
Cisco 10720 Internet Router Installation and Configuration Guide
78-13062-10
Chapter 4
Troubleshooting
Alarm Messages
SRP1/1 Side A Keepalive
Failure (LSD)
SONET line signal degrade
Check the affected fiber, transmit and
receive ports. Check power level.
This is a SONET layer 1 issue with signal
degrade.
SRP1/1 Side A Keepalive
Failure (LSD)
SONET line signal degrade
Check the neighbor
node/transport/regenerator for SONET
layer 1 issues (LOS, LSF).
This is a SONET layer 1 issue with an
intermediate unit (usually transport
connection or regenerator) forwarding an
AIS.
SRP1/1 Side A Keepalive
OK
Keepalive failure removed;
Layer 2 Keepalive receiving
correctly
None.
RPR-IEEE1/1 span
WEST Keepalive
Failure (MAC)
MAC failure is detected
Check transport span for problems.
Typically RPR ring traverses a SONET
layer connection, creating this error.
RPR-IEEE1/1 span
WEST Keepalive Failure
(SLOS)
SONET section loss of signal
Check fiber for breaks, power level, and
connectivity.
This is a SONET Layer 1 issue with fiber.
RPR-IEEE1/1 span
WEST Keepalive
Failure (SLOF)
SONET section loss of frame
Check the fiber for degredation in (power
level) or clocking (interval versus line).
RPR-IEEE1/1 span
WEST Keepalive
Failure (LSD)
SONET line signal degrade
Check the affected fiber transmit (TX)
and receive (RX) ports. Check the power
level.
This is a SONET Layer 1 issue with
signal degradation.
RPR-IEEE1/1 span
WEST Keepalive
Failure (LSF)
SONET line signal failure
Check the neighboring
node/transport/regenerator for SONET
layer 1 issues (LOS, LSF).
This is a SONET Layer 1 issue with an
intermediate unit (usually transport
connection or regenerator) forwarding an
AIS.
RPR-IEEE1/1 span
WEST Keepalive
Failure OK
Keepalive signal removed,
Layer 2 Keepalive receiving
correctly
None.
Table 4-1
Keepalive Alarm Messages for All Uplink Cards (continued)
Alarm
Description
Solution