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Author Topic: VERY slow speeds with OPNsense  (Read 7635 times)

Gargamel

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VERY slow speeds with OPNsense
« on: October 12, 2017, 04:20:36 pm »
Hi, i just installed OPNSense, and ran update to the latest updates as of today.
when i check my speed at http://www.dslreports.com/speedtest i only get 24 megabits/s down and 70 megabits/s up, and i have 250/250 connection, i have checked my switch for my lan, it reports Gbit connection for all connected cables, and opnsense reports nearly no traffic on wan.

I have yet setup openvpn connection and such i would like.

I have tried to enable the 3 offloading hardware settings, rebooted, still same roughly speed.

the opnsense is nearly 100% default from installation, only changes is that i dont use 192.168 but 10.200.x.x for my lan.

what settings should i check? When i was directly connected to the box, i got full speed.
any ideas? Switch is Netgeat GS108E and everything is connected exactly as it was with pfSense.
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mimugmail

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Re: VERY slow speeds with OPNsense
« Reply #1 on: October 12, 2017, 04:37:18 pm »
IPS disabled?
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Gargamel

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Re: VERY slow speeds with OPNsense
« Reply #2 on: October 12, 2017, 04:42:42 pm »
Both checkbox Enabled and IPS mode is unchecked.
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mimugmail

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Re: VERY slow speeds with OPNsense
« Reply #3 on: October 12, 2017, 04:45:36 pm »
Interfaces - Overview - WAN

full-duplex?

What means connected directly to the box?
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Gargamel

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Re: VERY slow speeds with OPNsense
« Reply #4 on: October 12, 2017, 04:46:53 pm »
Quote from: mimugmail on October 12, 2017, 04:45:36 pm
Interfaces - Overview - WAN

full-duplex?

What means connected directly to the box?
Media   1000baseT <full-duplex>
It means computer <--cat6 cable--> opnvpnbox
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mimugmail

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Re: VERY slow speeds with OPNsense
« Reply #5 on: October 12, 2017, 04:51:18 pm »
Ah, and OPNsense is behind the OpenVPN box? Can you try lowering the MTU?
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Gargamel

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Re: VERY slow speeds with OPNsense
« Reply #6 on: October 12, 2017, 04:53:32 pm »
no openvpn involved.

opnsense <-> WAN /Internet
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mimugmail

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Re: VERY slow speeds with OPNsense
« Reply #7 on: October 12, 2017, 04:59:04 pm »
Do a packet capture on the wan, rerun Test and Upload the file
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Gargamel

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Re: VERY slow speeds with OPNsense
« Reply #8 on: October 12, 2017, 05:06:05 pm »
Quote from: mimugmail on October 12, 2017, 04:59:04 pm
Do a packet capture on the wan, rerun Test and Upload the file

Attached
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Gargamel

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Re: VERY slow speeds with OPNsense
« Reply #9 on: October 12, 2017, 05:16:22 pm »
I changed the switch closest to the opnsense firewall, and now i see  almost 240/240 Mbps on all different speedtests i am using.
So it seems to be the switch fault.
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