Downloads stalling... connection dropping? read on!
If you have a 2wire modem and it's consistently dropping connections, but you maintain sync there is something you might need to be aware of. The 2wire can drop your connections if you attempt to exceed it's maximum ports opened per connection. It's been checked that the limit is 1024 connections max.
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Constant Connection Drops in the East bay CAFor those of you that have Motorola modems, this limit may be imposed as well if you use the modem in any other mode than "PPPoE Not used" mode. For this I would suggest possibly a 3rd party router doing PPPoE and the motorola modem.
Another suggestion by sectorize

Also to not use game server browsers, that seemed to crash the gateway as well. But everything is worked out now : )
01/04/10-
Another couple of examples of modems dropping connections.
Example 1:
I'm having a problem with my DSL Elite in Chicago. It's really a twofold problem. First of all, the DSL is incredibly slow sometimes, mainly at night. My sync speed is 6016 / 768, yet the download speeds are a fraction of that, 1200 kbps maximum. The second problem is that, both when the speeds are slow and when they are not, large file transfers almost always stall and cause the connection to reset. This makes things like youtube completely unusable for long videos. The modem is a Motorola 2210-02-1002.
Example 2:
Example 2:
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Downloads keep stalling out on DSL EliteEquipment: Efficient/siemens 5100b.
LIne stats for both were fine, so were the ATM pings.
Solution:
Both end users had 3rd party routers (a linksys, and a buffalo wireless router). Had both of them set to let the router do the PPPoE instead of the modem. That cleared the issues for these two people recently.
Bottom line is the $50 modems were designed to get one computer online not several and not several streaming videos, or excessive ports opened.