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NSG 9000-6G - Harmonic Inc

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Chapter 6 Monitoring and Troubleshooting<br />

Monitoring <strong>NSG</strong> <strong>9000</strong>-<strong>6G</strong> Status and Alarms<br />

Alarm Message<br />

Trigger<br />

Device<br />

Redundancy<br />

Description<br />

Solution<br />

Slot<br />

Card Missing* Yes No module is mounted in the slot<br />

and the corresponding RF port is<br />

enabled.<br />

Card Mismatch* No Mismatch between the mounted<br />

module and the sent configuration.<br />

1. Disable the RF port.<br />

2. Mount a module in the slot.<br />

3. Enable the corresponding RF port.<br />

Check configuration or mounted<br />

module.<br />

GbE Port<br />

CRC Error No At least one packet has CRC error Check the switch, fiber, and copper<br />

connections. Check source (input or<br />

output).<br />

ETH Buffer Overflow No Management traffic on the GbE port<br />

exceeds the port’s capacity.<br />

Invalid Input Packet No The payload length of an input UDP<br />

packet is not divisible by 188 bytes<br />

a standard length of an MPEG<br />

packet<br />

Check sources for excessive<br />

management traffic.<br />

Check source.<br />

L2TPv3 Sequence<br />

Error<br />

No<br />

The sequence number of L2TP<br />

frames is not sequential, which<br />

means that some L2TP frames were<br />

dropped in the input.<br />

<br />

<br />

<br />

Check input source.<br />

Check switch.<br />

Check fiber and copper<br />

connections.<br />

Link Down (SFP) Yes Problematic link to the SFP. Verify that the fiber is connected<br />

properly to the SFP<br />

SFP Missing Yes The SFP connector is missing from<br />

the GbE port.<br />

Check that the SFP connector is fully<br />

inserted<br />

GbE Card<br />

GbE Controller<br />

Failure<br />

Yes<br />

PHY ID Error; instable<br />

communication with GbE module.<br />

1. Reset unit.<br />

2. If problem persists, call Customer<br />

Support.<br />

MPEG Buffer<br />

Overflow<br />

No<br />

Buffer is overloaded with too high<br />

bit rate<br />

Reduce bit rate.<br />

MPEG Sync Loss No GbE traffic contains No valid MPEG<br />

data<br />

1. Check source.<br />

2. Check the input cable and replace<br />

if defective.<br />

General HW Failure No GbE module fatal error. Call Customer Support<br />

TS Out<br />

TS Out Overflow No The actual output bit rate exceeds<br />

the configured QAM output bit rate.<br />

Deprovision several services of the<br />

specific output until the alarm clears.<br />

VOD Session<br />

PAT Corrupted* No Invalid PAT Check source.<br />

PAT Missing* No PAT is missing in input signal. Check source<br />

© 2012 <strong>Harmonic</strong> <strong>Inc</strong>. 116 <strong>NSG</strong> <strong>9000</strong>-<strong>6G</strong>, Version 2.7, Rev B

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