Cyclic Network errors
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I'm trying to troubleshoot some strange error with received packets error and found out it is happening at very strangely cyclic intervals - each 10 seconds.
I suspect it can be hardware related - this box uses Intel Pro 1000 nicks, being Dell Poweredge 850
Here are the stats:
netstat -I em1 -w 1
input (em1) output
packets errs bytes packets errs bytes colls
12295 0 15212962 7799 0 1133274 0
11498 0 14239325 7497 0 1095771 0
12156 0 14892735 7882 0 1230374 0
11412 0 13834789 7569 0 1217578 0
11276 271 13666206 7665 0 1226129 0
11915 0 14703695 7712 0 1173373 0
11118 0 13322462 7204 0 1173498 0
11832 0 14372990 7679 0 1166091 0
11568 0 13874582 7646 0 1204333 0
11496 0 13930037 7750 0 1222213 0
11643 0 14045605 7832 0 1237440 0
11907 0 14710029 7974 0 1190434 0
12101 0 14876608 7963 0 1222025 0
11460 0 14084569 7826 0 1178778 0
10970 106 13240529 7512 0 1132631 0
11339 0 13623948 7689 0 1147822 0
10563 0 12758492 7342 0 1116725 0
11022 0 13590770 7370 0 1140146 0
11673 0 14456502 7702 0 1157950 0
11372 0 13450912 7770 0 1148956 0I could continue posting the list but it is absolutely consistent happening once per 10 seconds. I'm puzzled what these 10 seconds can correspond to.