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IP Interface Configuration using DHCP via ISP with DSL

I have a Cisco 1720 router with a WIC 1-Enet module that I need to configure so that it will accept a DHCP assigned IP address from my ISP using a DSL connection and PPOE. The ISP drops the connection every 24 hours (for security purposes) and requires the connection be reestablished in order to get a new IP address. Can you help by giving me a list of the configuration commands required?

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Cisco Employee

Re: IP Interface Configuration using DHCP via ISP with DSL

You will need to configure the command "ip address dhcp" for the respective interface. DHCP on an inteface was supported around 12.1.x.T, I believe.

Community Member

Re: IP Interface Configuration using DHCP via ISP with DSL

I'm going to be loading a version 12.4 IOS so that shouldn't be a problem. How do I get the interface to reestablish the connection when it is dropped by the ISP after 24 hours?

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