jtp10181
Senior Member
One common cause is that between firmware changes, your router might end up using a different MAC to request a lease. Some ISPs don't deal well with that, and seem to limit your speed until you keep the modem turned off for an extended period of time, releasing the original lease.
I have noticed mine always seems to want to clone a MAC or it just makes one up. I have to clear out the Mac clone setting and then restart the cable modem and router together to fix it.
Once I get it working it's fine forever unless I mess with settings on that page and it decides to act up. Might be after a reset or update when it causes the most trouble.
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