CPU使用率间歇性的到100%,持续两三分钟又恢复正常5%左右;
异常期间的CPU进程主要是:
DHSE--38%;
NICR--35%;
SOCK--21%。
哪位大佬处理过类似问题么?
H3C S5110-28P Version 5.20.99, Release 1113
交换机仅作为二层级联使用,trunk下联3台业务交换机。
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最佳答案
下联三台交换机 应该是业务突发太大了 造成设备处理不过来。建议分流
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园区的接入交换机做了端口隔离,基本没有东西向流量,下面是活动接口的流量,都很小 上联聚合-1: Peak value of input: 3619273 bytes/sec, at 2020-05-02 18:12:44 Peak value of output: 875534 bytes/sec, at 2020-05-02 18:01:33 上联聚合-2: Peak value of input: 4066073 bytes/sec, at 2020-05-02 18:13:46 Peak value of output: 615970 bytes/sec, at 2020-05-02 18:12:44 业务口1: Peak value of input: 511 bytes/sec, at 2020-05-02 18:01:33 Peak value of output: 502 bytes/sec, at 2020-05-02 18:01:33 业务口2: Peak value of input: 1158729 bytes/sec, at 2020-05-02 18:01:33 Peak value of output: 5848523 bytes/sec, at 2020-05-02 18:12:59 业务口3: Peak value of input: 276270 bytes/sec, at 2020-05-02 18:17:47 Peak value of output: 2509949 bytes/sec, at 2020-05-02 18:17:47
关闭DHCP Snooping功能后,没有再出现异常情况。
之前交换机启用了DHCP Snooping功能,但是查看表项也就只有78条,这应该不是上限吧?
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我理解的业务流量应该是走背板转发不走CPU的吧?不知道对不对,下面是异常刚恢复时的上联口流量,因为是园区交换机做了端口隔离的,基本不存在东西向流量 <GGXX3-11>dis interface Bridge-Aggregation | in Last Last clearing of counters: Never Last 300 seconds input: 3015 packets/sec 3575829 bytes/sec 1% Last 300 seconds output: 2327 packets/sec 986378 bytes/sec 0% <GGXX3-11>dis cpu-usage history 100%| ## 95%| ## 90%| ## # 85%| ## # 80%| ## # 75%| ## # 70%| ## # 65%| ## # 60%| ## # 55%| ## # 50%| ## # 45%| ## # 40%| ## # 35%| ## ## 30%| ## ### 25%| ## ### 20%| ### #### 15%| ### #### 10%|#### ## ## ## #### ## ## ## 5%|############################################################ ------------------------------------------------------------ 10 20 30 40 50 60 (minutes)
园区的接入交换机做了端口隔离,基本没有东西向流量,下面是活动接口的流量,都很小 上联聚合-1: Peak value of input: 3619273 bytes/sec, at 2020-05-02 18:12:44 Peak value of output: 875534 bytes/sec, at 2020-05-02 18:01:33 上联聚合-2: Peak value of input: 4066073 bytes/sec, at 2020-05-02 18:13:46 Peak value of output: 615970 bytes/sec, at 2020-05-02 18:12:44 业务口1: Peak value of input: 511 bytes/sec, at 2020-05-02 18:01:33 Peak value of output: 502 bytes/sec, at 2020-05-02 18:01:33 业务口2: Peak value of input: 1158729 bytes/sec, at 2020-05-02 18:01:33 Peak value of output: 5848523 bytes/sec, at 2020-05-02 18:12:59 业务口3: Peak value of input: 276270 bytes/sec, at 2020-05-02 18:17:47 Peak value of output: 2509949 bytes/sec, at 2020-05-02 18:17:47