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结构终端-》交换-》核心交换-》防火-》IPS-》路由器-》光模-》外网
ping路由器内网口,丢包率1~3%,ping路由器上一级设备(IPS或者防火)非常正常,查看路由器cpu的负载也不是很高,但是出错厉害的时候会导致彻底无法上网,能ping到内网口但无法连接外网。路由器曾经报错:
*Apr 12 02:32:44.074: %SYS-2-MALLOCFAIL: Memory allocation of 65536 bytes failed
from 0x6002A194, alignment 8
Pool: Processor Free: 280036 Cause: Memory fragmentation
Alternate Pool: None Free: 0 Cause: No Alternate pool
-Process= "IP Input", ipl= 3, pid= 75, -Traceback= 0x60E02D30 0x60017064 0x600
1D1DC 0x6001D97C 0x6002A19C 0x600299F0 0x6002B898 0x6002966C 0x613E4728 0x613E4D
DC 0x613EEAD4 0x6140E910 0x61406D84 0x613D7A4C 0x6128C3FC 0x6128C580
*Apr 12 02:32:45.978: %SYS-2-CHUNKEXPANDFAIL: Could not expand chunk pool for NA
T Port Range. No memory available -Process= "Chunk Manager", ipl= 3, pid= 1, -T
raceback= 0x60E02D30 0x600298D0
*Apr 12 02:32:55.982: %SYS-2-CHUNKEXPANDFAIL: Could not expand chunk pool for NA
T Port Range. No memory available -Process= "Chunk Manager", ipl= 3, pid= 1, -T
raceback= 0x60E02D30 0x600298D0
重启后有所恢复,检查各项指标如下
Router#show proc cpu sorted
CPU utilization for five seconds: 17%/8%; one minute: 16%; five minutes: 8%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
75 18052 98798 182 7.51% 7.66% 3.77% 0 IP Input
35 2428 205 11843 1.19% 1.16% 0.59% 0 Per-Second Jobs
4 88 20 4400 0.39% 0.05% 0.00% 0 Check heaps
Router#show proc memory sorted
Processor Pool Total: 164808960 Used: 34462380 Free: 130346580
I/O Pool Total: 37748224 Used: 10618784 Free: 27129440
PID TTY Allocated Freed Holding Getbufs Retbufs Process
0 0 72480600 36930236 31730444 0 0 *Init*
1 0 10253344 0 10260548 0 0 Chunk Manager
但是很快仍然会时断时续。上班时间丢包很严重,下班好很多。从本周开始的,之前虽然也有断,但没有这么厉害,现在几乎10秒就断一次。 |
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