Can't connect to internet after firmware update?

well last night i did a firmware update and now i can't connect to my network at home. i have a server running dhcp. so i gave the extreme a static ip in the range. dns and router ip are set to the servers ip. this all was working fine till last night. what am i doing wrong? i can't even log onto the server from my MBP. the APE is connected directly by ethernet to the server.
thanks

HI and welcome......
On your iPad...
Tap Settings / General / Reset / Reset Network Settings.
That resets to factory default. You may be prompted for your network password.
Hope that helps...
Carolyn

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