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XR500 ipv4 vs ipv6 speed differences
I feel bad putting this here without knowing more but I recently got a new config from my ISP for a 900/35mbs line (from 400/35). Direct line tests for around 500 (on speedtest.net) and ISP still thi...
Just wanted to follow up saying that I managed to resolve the issue by rebooting both the cable modem and the router in sequence leaving the MAC at the PCs. I strongly suspect that the XR500 router was not at fault for the issue but rather that for some reason the ISP/modem capped ipv4 traffic until the reboot.
I am now running with QoS and ipv6 fully enabled without any issues and get equivalent speed tests over both ipv4 and ipv6.
When I turn off ipv6 all my speedtests drop to below 120. I'm attaching a retest with the microsoft network speed test after I disabled ipv6 completely just now. It also shows the previous test with ipv6 enabled. My problem appears to be that all ipv4 performance is degraded and the only way I can even see good bandwidth is with ipv6.
Not using PPPoE.