Two Computers- One Router. One is Fast and the Other is Slow

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Goldensun84

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Sep 5, 2013
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Hello!

My husband and I play FFXIV online. We use the same router and modem we always used to play other games (FFXI and WoW, etc). We have never had any problems loading screens or lag or anything. Now, I got a new laptop. When I play FFXIV (and my husband is playing at the same time on his desktop), I load through screens lightning quick and all people and NPC's load immediately. His don't. It takes about 30 loading times, and up to a minute or so for the NPC's to load. When I play on my desktop, HIS loading times are now lightning quick and people and NPC's load immediately, but my loading times are about a minute and NPC's and people can take up to 4-5 minutes to load. We are playing in the same room as the router and modem. I play in the same spot whether on my desktop or laptop, and BOTH of my systems are better than his desktop. Any ideas on how to even out the speed a bit? If it matters, we have a 50mbps internet speed. We both have 150meg network adapters, etc, but this happens even when I am hard wired to the router. Any advice would be great!
 
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The roku working good when you have game issues is very significant. It means you do not have a internet capacity issue or problem with your wireless (assuming the roku is wireless) or some capacity issue with the router itself.

What I suspect you have is some port issue with the game itself maybe nat related. This is similar to the problems people attempting host multiple games on game consoles have. I have no knowledge of how this game works. I would suspect if it works like many I have seen it keeps a TCP session open for certain function but mainly to tell you are still logged in. It then uses UDP to stream the game data back and forth. Just guessing I would say there is some issue with the nat related to this UDP stream.
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06yfz450ridr

06yfz450ridr

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Nov 28, 2012
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hmmm that seems kind of funny. one thing i would try is use QOS and set both his and yours to use 50/50 to see if it helps. one other thing is maybe try updating his NIC drivers and under the nic properties set interrupt moderation to disabled as well as green Ethernet . what router are you using? maybe it could use an update?

also before any changes do speed tests up and down to see if they are about equal

 
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bill001g

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Aug 9, 2012
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Although it will take quite a learning curve to get good at it I would run wireshark on the machines and see if anything stands out in the captures during the different combinations of where you play from. What you would be most interested in first was packet loss which is very obvious. Then you get to the more difficult one of looking for delays. There are quite a few built in reports you can run but they likely will not outright tell you what the issue is. What may be interesting to to run something else at the same time like a small youtube video or other download to see how that is affected. You can of course run continues ping to various things in the network while you are testing but ping will just confirm you have a issue....unless ping shows no issue but the game does.

Also if your router has any diagnostic screens see if you are getting any form of cpu or memory bottleneck. It is pretty rare now days but routers used to run out of memory to store nat tables and would drop what it thought were old ones...which were only seconds old.
 
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Goldensun84

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Sep 5, 2013
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10,510
We are using the one we rent from Comcast (Netgear Wireless n150 WNR1000), and we updated it at one point while trying to figure this out. I apologize, but I'm not sure where to go to check out properties for me NIC. We have tried speedtest.net, and I get about 30mbps and he gets 50-60 (this is on my desktop, haven't checked my laptop). I play the game fine when he isn't, but when he logs in, as soon as I have to load an area, my NPC's and other players don't load. We were trying to rule everything out before buying a new router. Our current one doesn't have the option to manipulate QOS.
 
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bill001g

Titan
Aug 9, 2012
28,283
2,743
125,640
The roku working good when you have game issues is very significant. It means you do not have a internet capacity issue or problem with your wireless (assuming the roku is wireless) or some capacity issue with the router itself.

What I suspect you have is some port issue with the game itself maybe nat related. This is similar to the problems people attempting host multiple games on game consoles have. I have no knowledge of how this game works. I would suspect if it works like many I have seen it keeps a TCP session open for certain function but mainly to tell you are still logged in. It then uses UDP to stream the game data back and forth. Just guessing I would say there is some issue with the nat related to this UDP stream.
 
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