Hi All
We experience latency problems with Packetfence in Inline deployment.
Packetfence is running with the ZEN image version 6.4 running on VMware ESXi
6.0.0. The Packetfence virtual machine is running with 12GB RAM and 4 Cores
Xeon CPU E3-1226. To rule out NIC problems we have changed to E1000.
Packetfence is only doing DHCP and Network Access, it is not using any
RADIUS. The solution is running in line deployment with routed mode for a
campus network for 50 users and they experience a lot of lag spikes during
video games. All computers are wired to the network.
To troubleshoot this I have set up multiple pings to foreign servers and the
edge gateway and latency spikes occur randomly the same time the students
are experiencing latency issues in their games as well.
To rule out anything with the VMware host or the Layer 2 network I have set
up a Centos 6 virtual machine router performing routing only with firewall
enabled and the issue is not occurring at all. Bandwidth is not an issue
since traffic shaping has been set up to prioritize gaming traffic and
bandwidth is never reaching the limit of 200Mbit/200Mbit as well.
The problem to me seems to be be related to software on the Packetfence VM.
The VM is never going above 50% CPU nor above 8GB RAM. Ressources should not
be the problem.
The Packetfence VM is the Packetfence 6.4 ZEN image. No packet or anything
has been upgraded. How can we troubleshoot this?
Regards Michael
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