Monday, January 15, 2018

Configuring a Cisco DSL modem

Once again i am seeking the wisdom of /r/networking veterans

My company decided to ditch the router given to them by the ISP and replace with a cisco 867 router that they will configure themselves.

I'm trying to configure the ATM0 interface as a default gateway, assigned to the company's public address which then will be used for NAT but I can't find out what the mask for the public address is...

Is my approach to this config correct? or is it more complicated than that? if i am on the right track, is there a way to find out my public subnet mask?



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