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Garyfatt
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COD Modern Warfare Packet Loss & port forwarding

Hello,

I am experiencing very bad packet loss which is making call of duty modern warfare unplayable. I attempted to set up port forwarding to help this but when setting up the ports i get an error saying the "rule already exists" for the external start and end ports. this is likely due to the port numbers overalapping but how can I set up ports then?

TCP - 3074, 27014-27050

UDP - 3074, 3478, 4379-4380, 27000-27031, 27036

In addition, I expect that port forwarding may not even fix the packet loss issue (as nothing else has so far), and therefore could anyone help me with fixing the packet loss issue?

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pixel8ion
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Re: COD Modern Warfare Packet Loss & port forwarding

I fixed mine by disabling the routers firewall

Garyfatt
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Re: COD Modern Warfare Packet Loss & port forwarding

Is that the iPv4 firewall? I disabled that and now when launching COD I get stuck on “connecting to online services”. 

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pixel8ion
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Re: COD Modern Warfare Packet Loss & port forwarding

You may need to restart your router after 

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