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Solved
R6250 wired speed slow
I have an R6250 router connected to a CM1000 modem on my Comcast service rated at 1200m.
Directly connecting my pc to the modem I get 980m on speedtest.
Connecting through the R6250 that drops to 300m.
I've disabled QoS and bandwidth monitoring on the R6250 all to no avail.
It can't be the cable as it's the same cable used to get 980m.
Any ideas? Or can this router just not go to the higher speeds?
I'm running the lastest available firmware: V1.0.4.48_10.1.30
Factory reset the r6250.
During the reinstall, don't use a backup configuration.
Make sure to leave qos, access control, parental controls, and traffic monitoring all disabled.
Then speed test it.
4 Replies
Factory reset the r6250.
During the reinstall, don't use a backup configuration.
Make sure to leave qos, access control, parental controls, and traffic monitoring all disabled.
Then speed test it.
It's running faster now. Here's what I did:
Turned off qos, site blocking, traffic monitoring.
Performed a backup.
Factory reset router.
Unplugged router after reset complete (probably not necessary, but I thought it would reset sync to modem)
Plugged in router
Did a bare minimum config.
Ran a test and speed was around 900.
Restored the backup.
Speed stayed good - on ipv4. On ipv6, it is still low (around 300) - i figure that's a comcast speedtest server issue.
It does bug me that those simple things (qos, traffic monitoring, etc) kills the speed so much - that shouldn't be happening. Maybe it's a restriction of an older router with substandard (by today's standards) processing power.
Thanks for your reply.
your close to right. on the lower end routers, when you turn on those features, it disables ctf which is needed for gigabit speeds. It places the burden on the cpu which is pretty low powered and unable to max out gigabit speeds while doing traffic inspection
