Loss of Internet connection after after power "Blackout"

I have a Linksys WRT54GS router connected to Charter.net cable modem.
I do not have a static IP.
This summer we have had several power blackouts. The electricity is gone anywhere from 10 seconds to a lot longer.
When power is connected again, the router is not able to receive an IP address from the Cable modem. Therefore the LAN side of the modem works, but no access to Internet. After a power restart of the Linksys Router I am again connected to the Internet. It seem that the Router boots before the Modem and when asking the Modem for the IP address gets no answer from the slower booting Modem. When I am at home it is an easy problem to solve but when I am in another part of the Country I loose the connection to my Base Computer at home.
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Is there a solution???

what is the firmware version on the router?? try reducing MTU to 1452...let me know if you have any issues will get back to you.
thanks

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