How to optimize PS3 gaming performance?

I mean let the router know PS3 has priority for the internet bandwidth.

 Hi,
Check the firmware of your router, if not latest, download and install latest firmware from www.linksys.com/download
Check if you are entering the security key and key type on your PS3. It should be matching with routers security type and key.
Also you might need to assign static ip address on PS3 and forward ports used by PS3 to static IP address of PS3 on routers firewall.
Ports used by PS3:
udp 3478
udp 3479
udp 3658
tcp.domain (port 53)
udp.domain (port 53)
tcp.http (port 80)
tcp.https (port 443)
udp.ssdp (port 1900)
tcp.amandaBackupInitiation (10080)
tcp.Jabber SSL/TLS (port 5223)
tcp.10075
tcp.10078
tcp.10079
& definately you will be able to play the games on the PS3.

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