Is that possible? pppoe dhcp 'half-bridging'

Question

Hey,the guys on  did build a  script for their opensourcerouting software built for AR7 SOHO platforms which makes me wonder ifCisco has something similiar (maybe better working) in its repertoire:You get an ip address from your provider by pppoe (or pppoa).The problem is, you would like this very assigned ip address on your insidenetwork to be used, so if the outside adress is 80.80.80.80 you would liketo have (dynamically) on the inside exactly this address to be assignet toone mac adress.Is that possible?If only one (this one) ip address could be assignet and no other privateips, that would be a pitty.Do you have any ideas about that?Thank you very much,Cheers,UG

Thrill5 · Accepted Answer

Not sure what you are trying to accomplish here or why.  Why not use NAT?

Lukas Schratz · Answer

* Thrill5 hackte in den Rechenknecht:Because, as I understand, he wants to avoid it and receive "real"addresses (non-RFC-1918) directly on the inside.Maybe you mean something along the lines of:conf tip dhcp-pool DHCPimport allorigin ipcpand then:interface YOURINTERNALINTERFACEip address pool DHCPBinding to a MAC-Address should also be possible, but I don't know it byheart, so it's your turn to look it up ;-)HTH,luke

Thrill5 · Answer

No shit.  Let me ask the question another way.Why do you need to use a "real" address on the inside?  The answer to the question doesn't always solve the problem, but if we understand the problem, we can offer a solution.

Is that possible? pppoe <-> dhcp 'half-bridging'

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