Have same problem!!
Also on Streamyx 4 Mbps! Wtf are they doing? Can't connect to PSN now.

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Added on March 4, 2010, 11:37 pmI sent this to Streamyx:

Yesterday you guys did something to my connection and several others who are in the 218.111.xxx.xxx IP range (2 Mbps and 4 Mbps) users, because today we are not able to go online with our Playstation 3's. Yesterday it worked fine.
Other Streamyx users in other IP ranges can still play online with PS3.
Please tell me what the problem is and when it can be fixed!
I expect an immediate answer on this.

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Added on March 5, 2010, 12:06 amDid you guys see this:
http://us.forum.playstationcomics.com/t5/T.../6155018#M28898

Quote: Yes,
It is easy,
If you have a cable modem connection, you should never see this error message.
Only most of DSL customers have this problem because you need to get to network settings and set the MTU manually to 1492 instead of the default 1500.
This is a 100% fix for this error message.
I wish the moderator will erase all other solutions on this board because they were all wrong and does not work.
I hope this helps.
Quote end.

Did any of you guys try this? I could not find a setting for MTU in my Streamyx router.

This post has been edited by knuta: Mar 5 2010, 12:06 AM

I just managed to connect, set MTU to 1486 and it is working now!

Thanks Was nothing, just some good old try and fail, try and fail, try and fail, try and SUCCEED!
But glad it helped so many!

I have no clue what MTU is, but seemed to understand that making it lower might get things to work, but that it should be as high as possible. So I dropped it by 10 until it worked, and then I raised it until I found the last value that worked
I think it may be individual a bit, but still don't understand why only the 2/4 Mbps Streamyx users got affected.