传输丢包导致VoLTE高丢包案例-莱芜.docx

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1、传输故障丢包影响VoLTE高丢包用户占比案例一、问题描述：处理VoLTE高质差切片小区过程中发现，LFZ160146H_孟家庄小区19日VoLTE质差切片数明显增多，高丢包用户占比指标恶化严重。具体指标如下表所示：日期小区名称质差切片数用户数高丢包用户数高丢包用户占比20190118LFZ1601461H1_孟家庄小区1621110.47%20190118LFZ1601462H1_孟家庄小区2947551.05%20190118LFZ1601463H1_孟家庄小区3221831.38%20190119LFZ1601461H1_孟家庄小区5520752.42%20190

2、119LFZ1601462H1_孟家庄小区121471224.67%20190119LFZ1601463H1_孟家庄小区243285165.61%20190120LFZ1601461H1_孟家庄小区198205199.27%20190120LFZ1601462H1_孟家庄小区234475377.79%20190120LFZ1601463H1_孟家庄小区3722833813.43%20190121LFZ1601463H1_孟家庄小区4812514517.93%20190121LFZ1601462H1_孟家庄小区3724585311.57%20190121LFZ16014

3、61H1_孟家庄小区2632122712.74%二、原因定位：1.核查小区无影响业务告警：2.小区干扰指标正常：1.小区其他指标均在正常范围：2.核查VoLTE基础参数正常3.核查问题小区传输丢包情况：发现小区存在传输丢包率较高，沟通传输侧进行核查。三、解决方案：传输告知存在故障，已修复解决（指标于24日15点恢复正常）。开始时间网元名称源IP目的IP丢包率2019/1/2414:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.255.861.33%2019/1/2414:00LFZ160146H_孟家庄小区(812546

4、)100.70.126.138100.91.255.1191.53%2019/1/2414:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.254.2231.35%2019/1/2414:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.255.751.38%2019/1/2414:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.255.741.28%2019/1/2414:00LFZ160146H_孟家庄小区(812546)100.

5、70.126.138100.91.255.1201.25%2019/1/2414:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.255.1151.15%2019/1/2414:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.255.1161.43%2019/1/2414:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.254.2221.38%2019/1/2414:00LFZ160146H_孟家庄小区(812546)100.70.

6、126.138100.91.255.871.43%2019/1/2415:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.255.860.00%2019/1/2415:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.255.1190.00%2019/1/2415:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.254.2230.00%2019/1/2415:00LFZ160146H_孟家庄小区(812546)100.70.126.1

7、38100.91.255.750.00%2019/1/2415:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.255.740.00%2019/1/2415:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.255.1200.00%2019/1/2415:00LFZ160146H_孟家庄小区(812546)100.70.126.138100.91.255.1150.00%2019/1/2415:00LFZ160146H_孟家庄小区(812546)100.70.1