Unstable Upload Speed

[Koda650]

I recently moved to a new apartment and the only ISP is available is Comcast. Before I moved I had no problem uploading, now it is very unstable. About 90% of the time I am seeding around 0.5-4KB/s with occasional bursts to 90KB/s then it drops back down. It seems each time I get a new connection it will seed for a second or two then just stop. I have a green check mark and forced encryption. Is Comcast doing some sort of traffic shaping? Maybe for about 5 cumulative minutes in an hour I am seeding above 5KB/s. Can anyone help?

[Switeck]

Are you disconnecting from the peers?

Error messages in Logger window/tab? (right-click in the window to enable all but verbose messages)

[Koda650]

I see quite a bit of "Disconnect: Peer error: A socket operation was attempted to an unreachable network." and "Disconnect: Peer error: offline (timed out)" I see a few timed out messages every second.

[Switeck]

1st and 2nd links in my signature.

Having many connections at once (like 100+) only accelerates how fast you lose connections.

[Koda650]

I followed both of the guides and they definitely helped, but the problem still exists. I can seed around 200KB/s for about five minutes then it drops down to 4KB/s for about a minute. The problem is now infrequent compared to before. I also tried this with and without my router and I get the same results. Are there any other tweaks I should try?

The errors I still receive are "Disconnect: Peer error: offline (timed out)" and "Disconnect: Peer error: A socket operation was attempted to an unreachable network."

[Switeck]

I'm also on ComCast, and I don't have that problem...so likely it's either congestion in your area, the torrents simply have very few/weak peers for you to upload to, or networking problems on your computer or LAN network.

Start with the torrents -- do seeds outnumber peers? If so, the few "peers" you briefly connect to (as seen by Peers window/tab) may in fact be seeds or at least very overloaded peers -- since they're downloading from so many seeds at once.

Networking problems -- you'll have to do a little research on whether your software firewall(s), antivirus, router, or even modem has problems with BitTorrent. Some of them are horrible period and should never be used.

Older Motorola Surfboard modems (4xxx and some 5xxx models) partially crash when they have many connections (100+) at once.

Not much you can do about congestion in your area, so eliminate possible other problems first.