鱿鱼非常慢(20秒以上延迟)

时间:2013-09-23 13:20:53

标签: proxy squid

我被迫在这里提出问题,因为我没有想法。服务器重新启动后,Squid开始表现得很奇怪..

我做了TCPDump,我在15秒内得到了这个:

捕获了61122个数据包 过滤器收到62148个数据包 内核丢弃的1026个数据包

这是tcpdump输出的一部分:

15:16:44.275135 IP (tos 0x10, ttl 64, id 783, offset 0, flags [DF], proto TCP (6), length 388)
10.35.9.55.ssh > 10.32.34.225.47136: Flags [P.], cksum 0x41d1 (incorrect -> 0xccac), seq 19500768:19501104, ack 2401, win 350, options [nop,nop,TS val 531206376 ecr 2163128164], length 336

15:16:44.275217 IP(tos 0x10,ttl 64,id 784,偏移0,标志[DF],原型TCP(6),长度388)     10.35.9.55.ssh> 10.32.34.225.47136:Flags [P.],cksum 0x41d1(错误 - > 0x0bfc),seq 19501104:19501440,ack 2401,win 350,options [nop,nop,TS val 531206376 ecr 2163128164],长度336 15:16:44.275295 IP(tos 0x10,ttl 64,id 785,偏移0,标志[DF],原型TCP(6),长度260)     10.35.9.55.ssh> 10.32.34.225.47136:Flags [P.],cksum 0x4151(不正确 - > 0xb22a),seq 19501440:19501648,ack 2401,win 350,options [nop,nop,TS val 531206376 ecr 2163128164],长度208 15:16:44.314674 IP(tos 0x10,ttl 63,id 62262,偏移0,标志[DF],原型TCP(6),长度52)     10.32.34.225.47136> 10.35.9.55.ssh:Flags [。],cksum 0x82f2(正确),ack 19501648,win 1465,options [nop,nop,TS val 2163128205 ecr 531206375],length 0 15:16:44.841888 STP 802.1d,Config,Flags [none],bridge-id 8135.a0:cf:5b:57:26:80.8002,length 42     message-age 1.00s,max-age 20.00s,hello-time 2.00s,forwarding-delay 15.00s     root-id 8135.a0:cf:5b:57:10:00,root-pathcost 4 15:16:44.951774 IP(tos 0x10,ttl 63,id 62263,偏移0,标志[DF],原型TCP(6),长度100)     10.32.34.225.47136> 10.35.9.55.ssh:Flags [P.],cksum 0x3f0f(正确),seq 2401:2449,ack 19501648,win 1465,options [nop,nop,TS val 2163128842 ecr 531206375],长度48 15:16:44.951868 IP(tos 0x10,ttl 63,id 62264,偏移0,标志[DF],原型TCP(6),长度100)     10.32.34.225.47136> 10.35.9.55.ssh:Flags [P.],cksum 0xf931(正确),seq 2449:2497,ack 19501648,win 1465,options [nop,nop,TS val 2163128842 ecr 531206375],长度48 15:16:44.951935 IP(tos 0x10,ttl 64,id 786,偏移0,标志[DF],原型TCP(6),长度52)     10.35.9.55.ssh> 10.32.34.225.47136:标志[。],cksum 0x81ca(正确),ack 2497,胜利350,选项[nop,nop,TS val 531207053 ecr 2163128842],长度0 15:16:44.952052 IP(tos 0x10,ttl 64,id 787,偏移0,标志[DF],原型TCP(6),长度228)     10.35.9.55.ssh> 10.32.34.225.47136:Flags [P.],cksum 0x4131(不正确 - > 0xf45f),seq 19501648:19501824,ack 2497,win 350,options [nop,nop,TS val 531207053 ecr 2163128842],长度176

1 个答案:

答案 0 :(得分:-1)

问题是固定的,它与DNS有关。