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-   -   How to Diagnose Lag and Rubberbanding (http://sto-forum.perfectworld.com/showthread.php?t=225155)

Archived Post 07-21-2011 07:25 PM

How to Diagnose Lag and Rubberbanding
 
Pro-Tips on Diagnosing Lag and Rubberbanding

Background:
For those unfamiliar with latency (or lag), this is how quickly your computer transfers files to a distant end. In our case, we're looking at how your computer interacts with Cryptic's servers.

Latency is measured in milliseconds (ms). This is directly measuring how long it takes to send/receive data. You want any tests below to have lower values. Think of it like waiting in line at the bank; you don't want to be there all day.

Bandwidth is measured in kilobites per second (KB/sec). You want these values to be high. Think of this as how much stuff you can mail at once.

Your computer is connected through many other computers to reach Cryptic's servers. Think of it like the Postal Service. Packets of information (just like mail) need to pass through several places (like your local and regional sorting centers). Sometimes a problem can be with a user, sometimes it can be with Cryptic. Before either party blames each other, sometimes the problem is one of these connections between Cryptic's Servers and you.
What the Devs Need from You to Fix the Issue:
  1. Tracert test results (see below)
  2. Nettest results (see below)
  3. Your Internet Service Provider (ISP) or who your purchase internet access from.
Test Summary:
We'll run two tests. The first is a called tracert and measures how quickly various connections between Cryptic and you respond. The second is called nettest and gauges how much data can be passed at once on various ports.

Test 1: tracert
  • For Windows, hit the start button
  • Where it says Search All Files and Programs, type CMD and press ENTER
  • The first result should be cmd.exe
  • Right-click on cmd.exe and select Run as Administrator
  • A black, command-prompt window should appear
  • From here type the following command:
  • tracert patchserver.crypticstudios.com
Good Results:
  • Values lower than 180 are ideal for playing MMOs (and anything under 100 is outstanding). Higher values usually cause lag and rubber-banding in-game. Report any values above 180ms. Right-click in the Command Prompt Window and select all. Save as a text file (txt).
.
Test 2: nettest
You'll see several columns. The ones we're focusing on have KB/sec to the right of a number value.

Good results:
  • Column 1: ~300-500 KB/sec
  • Column 2: ~20kb/sec
  • Column 3: ~300- 500kb/sec

Report the Port Number and which columns are below the average ranges.

Nettest can be copied by:
  • right clicking on the window title bar
  • select Edit then Mark
  • highlight the text by holding the left mouse button
  • hit enter to copy to the windows clipboard.
  • paste into notepad or word and save as TXT
(thanks PegasusMD for nettest copying instructions)
Final Words:
When posting a problem, be sure to include the tracert text file and also the nettest results.
Quote:

Originally Posted by Wishstone
Let us know with which ISP you are trying to contact us from where.

The combination of this information can help if we are trying to find out if a problem may hail from a specific local area or provider.

Sporadic ISP Issue Fix:
The below is not guaranteed to work but might help solve some issues with your ISP. Using the Post Office analogy, this is like getting a new address and having mail delivered there.
Renew IP Address
  • Go to Start Menu
  • Search for cmd
  • Right-click and "Run as Administrator"
  • Type the following: ipconfig /release
  • Hit Enter
  • Now, type ipconfig /renew
  • Hit Enter

Archived Post 07-21-2011 08:11 PM

added note nettest can be copy by right clicking on the window title bar.
select edit then mark.
highlight the text by left mouse hold drag then hit enter to copy to the windows clipboard.

you can then paste the information .

Archived Post 07-21-2011 08:36 PM

Quote:

Originally Posted by PegasusMD
added note nettest can be copy by right clicking on the window title bar.
select edit then mark.
highlight the text by left mouse hold drag then hit enter to copy to the windows clipboard.

you can then paste the information .

Thanks.

These questions come up a lot and I figured I'd write up a thread on how to diagnose lag/rubberbanding issues. I've credit you for the nettest copying steps.

Archived Post 07-24-2011 05:44 PM

This thread should get a Sticky to keep it up front so it won't get lost.

Archived Post 07-24-2011 06:07 PM

With all due respect many of us have been submitting these for a week straight. Still no resolution.

Archived Post 07-24-2011 08:10 PM

Quote:

Originally Posted by Solar_Searcher
This thread should get a Sticky to keep it up front so it won't get lost.

I was getting tired of retyping this information for people.

Hopefully, I can just link to this post whenever anyone asks about server issues.

Quote:

Originally Posted by Capt_Malone
With all due respect many of us have been submitting these for a week straight. Still no resolution.

Providing this information can help--though everyone wishes problems were fixed overnight. However, some things are beyond Cryptic's control.

For example, dstahl mentioned that the recent connection issues had to do with a particular hub trying to connect to Cryptic's servers in MA--something they contacted the ISP over. This explains why only some users experienced the issues and why Cryptic's servers had no problem communicating with most players.

Archived Post 07-25-2011 06:01 AM

Quote:

Originally Posted by Darren_Kitlor
Pro-Tips on Diagnosing Lag and Rubberbanding

Background:
For those unfamiliar with latency (or lag), this is how quickly your computer transfers files to a distant end. In our case, we're looking at how your computer interacts with Cryptic's servers. Most of the test information comes from STO's Technical Support FAQ.

Latency is measured in milliseconds (ms). This is directly measuring how long it takes to send/receive data. You want any tests below to have lower values. Think of it like waiting in line at the bank; you don't want to be there all day.

Bandwidth is measured in kilobites per second (KB/sec). You want these values to be high. Think of this as how much stuff you can mail at once.

Your computer is connected through many other computers to reach Cryptic's servers. Think of it like the Postal Service. Packets of information (just like mail) need to pass through several places (like your local and regional sorting centers). Sometimes a problem can be with a user, sometimes it can be with Cryptic. Before either party blames each other, sometimes the problem is one of these connections between Cryptic's Servers and you.
Test Summary:
We'll run two tests. The first is a called tracert and measures how quickly various connections between Cryptic and you respond. The second is called nettest and gauges how much data can be passed at once on various ports.

Test 1: tracert
  • For Windows 7, hit the start button
  • Where it says Search All Files and Programs, type CMD and press ENTER
  • The first result should be cmd.exe
  • Right-click on cmd.exe and select Run as Administrator
  • A black, command-prompt window should appear
  • From here type the following command:
  • tracert patchserver.crypticstudios.com
Good Results:
  • Values lower than 180 are ideal for playing MMOs (and anything under 100 is outstanding). Higher values usually cause lag and rubber-banding in-game. Report any values above 180ms. Right-click in the Command Prompt Window and select all. Save as a text file (txt).
.
Test 2: nettest
You'll see several columns. The ones we're focusing on have KB/sec to the right of a number value.

Good results:
  • Column 1: ~300-500 KB/sec
  • Column 2: ~20kb/sec
  • Column 3: ~300- 500kb/sec

Report the Port Number and which columns are below the average ranges.

Nettest can be copied by:
  • right clicking on the window title bar
  • select Edit then Mark
  • highlight the text by holding the left mouse button
  • hit enter to copy to the windows clipboard.
  • paste into notepad or word and save as TXT
(thanks PegasusMD for nettest copying instructions)
Last Words:
When posting a problem, be sure to include the tracert text file and also link to the image of the nettest results.

This should be stickied IMHO.


Live long and prosper.

Archived Post 07-25-2011 11:55 AM

Another thing that can help us a lot when we try to track down problems:
Let us know with which ISP you are trying to contact us from where.

The combination of this information can help if we are trying to find out if a problem may hail from a specific local area or provider.

Archived Post 07-25-2011 12:19 PM

I seem to have cured my lag/rubberbanding issue currently by sticking on the EU proxy in the launcher options menu.

Archived Post 07-25-2011 10:20 PM

Quote:

Originally Posted by WishStone
Another thing that can help us a lot when we try to track down problems:
Let us know with which ISP you are trying to contact us from where.

The combination of this information can help if we are trying to find out if a problem may hail from a specific local area or provider.

Updated original post to reflect this.


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