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Forum Discussion

running_man_366's avatar
running_man_366
Icon for Nimbostratus rankNimbostratus
Jul 07, 2018

LB dropping ICMP packets regularly.

I am linux server administrator, and have noticed that for about 4 hours each day (same time each day), a simple ping of the default router results in packet loss, ranging from 10-100 percent. This p...
BIG-IP
devops
security
Surgeon's avatar
Surgeon
Ret. Employee
Jul 08, 2018

It looks like something happening with the big-ip or the network. GARPs being sent in case is virtual server on the big-ip goes up/down or there is a failover from active to standby. By default during failover big-ip generates 5 garps per each virtual IP, self-ip.

 

I think these need to be investigate more deep. You need to run a packet capture on the big-ip it self to see the packet flow across device. You also need to check ltm logs /var/log/ltm to see if there is any issue mentioned there.

 

If you are not familiar with big-ip at all you have 2 options.

 

1) Start learning it. I will take some time 2) Open a case with support. They will tell you what need to be collected and which filters to use for a packet capture.