Two Low Speed Links Are Fluctuating on Same Card

Asset ID:	1-72-2127960.1
Update Date:	2017-02-23
Keywords:

Solution Type Problem Resolution Sure

Solution 2127960.1 : Two Low Speed Links Are Fluctuating on Same Card

Applies to:

Oracle Communications EAGLE (Software) - Version EAGLE 3x.x and later
Tekelec

Symptoms

Low speed Links on card fluctuating.
Expected Behavior: Links should stay stable
Impact: Link fluctuation can cause traffic issues between destinations

Cause

rtrv-log shows UAM 0203 - REPT-LKF: lost data
This points towards issue with physical layer of link

EVIDENCE OF CAUSE
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There are multiple SIOS in l2stats (rept-stat-slk:l2stats=both:loc=4303:link=a1)
There are UAM 0203 present in the rtrv-log for the link
Both mean that there is MSU loss at transport layer (physical layer)

SUPPORT OF CONCLUSION
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Please refer to Eagle Customer Documentaion -> Unsolicited Alarm and Information Messages Manual -> Look for UAM 0203

REFERENCES
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Unsolicited Alarm and Information Messages - Page 147
http://docs.oracle.com/en/industries/communications/eagle/index.html

Solution

Please refer to Eagle Customer Docs - Unsolicited Alarm and Information Messages - 0203 - REPT-LKF: lost data Page# 147

http://docs.oracle.com/en/industries/communications/eagle/index.html

Recovery
1. Check the physical connections to the signaling link.
2. Using an analyzer, test for level 1 and level 2 functions.
Follow local procedures to test and return links to service.

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