DSL stalls, then dies

Internet access discussion, including Fusion, IP Broadband, and Gigabit Fiber!
5 posts Page 1 of 1
by Killelea » Sun May 29, 2011 4:35 pm
For the last few days, DLS service (Fusion Broadband - 3/1 Mbps) stalls, then dies.

If I restart the DSL modem, then it's usually OK again for an hour or two.

Anyone else have this problem? What could it be?
by kgc » Sun May 29, 2011 6:02 pm
For issues like this it is really best to just call support. They'll be able to look at your line's performance stats and armed with that info will be able to take the best course of action.
Kelsey Cummings
System Architect, Sonic.net, Inc.
by Killelea » Sun May 29, 2011 9:19 pm
Ah, the problem is my Netgear wifi router! If I restart that but not the DSL modem, then the service gets good again for two or three hours.

So it's not Sonic.net's problem. I just need a new wifi router.
by plwww » Sun May 29, 2011 10:35 pm
So if you restart the DSL modem only, the problem goes away temporarily? And if you restart only the router, the problem goes away again, temporarily? Or when you reset the DSL modem, were you resetting the router as well? I ask this because if resetting each by itself will temporarily solve it, then I don't think you can blame the router quite yet.

For example, while I was with AT&T DSL I had an issue with my Speedstream 5100 modem where often(at least once a day) it would simply stop passing anything through. I could still reach both the router and the modem, but couldn't get anything past the modem to the Internet. If I reset the DSL modem, it would work again. If I reset the router, it would also work again. I eventually found(best I can tell), the issue is with NAT on the modem. I never ran into this problem until I attempted to run more than one computer on the network. When using PPoE on the modem, the router before it will nat everything to it's own IP of course, but then the modem still must nat everything again. I imagine the modem's nat session table was filling(or some other bug existed); resetting the modem of course cleared it, while resetting the router seemed to clear it as well(my guess is the modem's lan port briefly dropping was triggering a reset of the session table). Simply switching to use PPPoE on the router rather than the modem, fixed the problem. I don't have Fusion(switched my DSL to Sonic a few weeks ago, cause of AT&T's caps), so don't know anything about your modem nor your network config, of course; I simply mean to say, you might want to double check before you buy a new router.
by dane » Sun May 29, 2011 11:06 pm
As Kelsey says, we have tons of troubleshooting tools and can tell a lot about a circuit - but you've gotta call. The team is great, just ring 'em up!

Dane Jasper
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