Hi, I’m trying to figure out what’s the bottleneck of on strongswan machine with this network setup:
I have: * several VPN clients (using vpnc https://www.unix-ag.uni-kl.de/~massar/vpnc/ - trying to simulate an iPhone) * one lighthttp server. * one strongswan gateway with this options: … i_dont_care_about_security_and_use_aggressive_mode_psk=yes … conn ios keyexchange=ikev1 authby=xauthpsk xauth=server aggressive = yes left=10.30.10.213 leftsubnet=0.0.0.0/0 right=%any rightsourceip=10.30.11.120/29 rightdns=208.67.220.220 auto=add type=tunnel rekey=no When I fire HTTP requests (using a perf test tool) I get just 100 msg/s whereas without VPN it goes up to 6.000 msg/s. Network traffic on strongswan is just on 800k/s on UDP 4500 no matter of how many clients I use. TOP doesn’t show any process to go above 10%. Increasing number of CPUs also doesn’t help. Can anybody give me a clue of how to find the bottleneck? Thanks, Miro
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