Maybe someone has seen similar and has some idea where to look....
I have two sites, Site A with a SG230 and Site B with a SG215 , both running firmware 9.603-1.
Site A has a 200Mbps fiber link
Site B has a 20Mbps fiber link and a 100/20 cable link.
Connect the IPSec VPN between the two fiber connections. Run speedtests, everything "looks" fine from the speeds. But if I try and do or transfer anything between the sites it is horrendously slow. As per the UTM, and what the ISP reports, I'm never getting beyond 5Mbps. Now, same settings but I connect from Site B using the cable connection and everything is prefect.
So, fiber issue at Site B you say! I've had the ISP replace all their gear locally and run end to end tests. They are basically saying at this point it's my firewall that is the issue. My problem is everything runs fine over cable to fiber but not over fiber to fiber. I have no idea where to look or what might be causing this. I still think it is somehow the ISP's issue, but how to prove this to them?
Thanks,
Shawn
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