[Bro] Dropped data

Carl Rotenan carlrotenan at gmail.com
Wed May 2 13:13:07 PDT 2018


Hello,

Can someone give me some direction on trying to figure out why I have
dropped data?

This output is from a machine getting about 3G of traffic a minute or so
into starting Bro 2.5.3 with PF_RING 7.0.0.

How much data per worker should I expect to budget for? Ideally I'd like
Bro to be able to do 10G of traffic.

Has anyone used PF_RING ZC with success?

worker-0-1: 1525291681.760081 recvd=564836 dropped=0 link=564836
 worker-0-2: 1525291681.961074 recvd=723187 dropped=0 link=723187
 worker-0-3: 1525291682.162178 recvd=682598 dropped=4619 link=682598
 worker-0-4: 1525291682.364202 recvd=1094776 dropped=0 link=1094776
 worker-0-5: 1525291682.566055 recvd=6722748 dropped=30902 link=6722748
 worker-0-6: 1525291682.768050 recvd=2180528 dropped=0 link=2180528
 worker-0-7: 1525291682.969023 recvd=3252824 dropped=0 link=3252824
 worker-0-8: 1525291683.179065 recvd=414112 dropped=0 link=414112
 worker-0-9: 1525291683.379083 recvd=2228892 dropped=52543 link=2228892
worker-0-10: 1525291683.579973 recvd=1735298 dropped=0 link=1735298
worker-0-11: 1525291683.780260 recvd=2720785 dropped=1437 link=2720785
worker-0-12: 1525291683.981421 recvd=5835651 dropped=7610 link=5835651
worker-0-13: 1525291684.181057 recvd=566766 dropped=0 link=566766
worker-0-14: 1525291684.381979 recvd=335114 dropped=0 link=335114
worker-0-15: 1525291684.582077 recvd=743998 dropped=0 link=743998
worker-0-16: 1525291684.782897 recvd=6124252 dropped=54604 link=6124252
worker-0-17: 1525291684.980916 recvd=3476401 dropped=17138 link=3476401
worker-0-18: 1525291685.184047 recvd=1286574 dropped=0 link=1286574
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