最近有部分电脑连接入交换机出现间歇性断网问题,断网设备分布在同一网关下不同接入交换机上,断网现象出现时间较短每次10-15秒左右,时间较为规律,后检查发出问题设备的接入交换机接口下display qos queue-statistics interface outbound 查看发现出现堵塞问题,数据报量大并丢报严重,目前出问题的终端设备有多台,都是同一时间断网,接口堵塞状态都一致,这种情况能是什么原因导致的?
终端设备查杀过病毒,排除设备中毒问题。同时出问题的终端涉及多台或多个IP
断网情况会在短时间恢复,不到2分钟左右吧,检查loopback-detection,没有环路,同样没有MAC地址漂移,设备CPU使用率不高
队列情况
Queue 2
Forwarded: 196362240 packets, 9494239332 bytes, 90 pps, 91840 bps
Dropped: 49184 packets, 73020137 bytes
Current queue length: 0 packets
接口状态
Port priority: 0 Last link flapping: 15 hours 37 minutes 40 seconds Last clearing of counters: Never Current system time:2022-08-23 09:08:43 BeiJing+08:00:00 Last time when physical state changed to up:2022-08-22 17:31:02 BeiJing+08:00:00 Last time when physical state changed to down:2022-08-22 17:31:03 BeiJing+08:00:00 Peak input rate: 2241529 bytes/sec, at 2022-07-27 14:28:03 Peak output rate: 2478849 bytes/sec, at 2022-08-04 08:34:24 Last 300 seconds input: 0 packets/sec 0 bytes/sec -% Last 300 seconds output: 0 packets/sec 0 bytes/sec -% Input (total): 29026318 packets, 7601278390 bytes 28150531 unicasts, 151003 broadcasts, 346412 multicasts, 378372 pauses Input (normal): 28647946 packets, - bytes 28150531 unicasts, 151003 broadcasts, 346412 multicasts, 378372 pauses Input: 0 input errors, 0 runts, 0 giants, 0 throttles 0 CRC, 0 frame, - overruns, 0 aborts - ignored, - parity errors Output (total): 159111476 packets, 63279497318 bytes 37844077 unicasts, 29886643 broadcasts, 91380756 multicasts, 0 pauses Output (normal): 159111476 packets, - bytes 37844077 unicasts, 29886643 broadcasts, 91380756 multicasts, 0 pauses Output: 0 output errors, - underruns, - buffer failures 0 aborts, 0 deferred, 0 collisions, 0 late collisions 0 lost carrier, - no carrier
H3C 5560 作为网关设备,H3C 5130作为接入设备通过trunk连接到网关,所有VLAN都是透传,终端通过IP电话连接到接入交换机,接入交换机连接终端设备接口配置hybrid模式,启用voice-vlan,启用loopback-detection环路检测
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