ISP routing

Unanswered Question
Mar 9th, 2007

Hi all, can anyone tell me how my isp would route to me, ie what gives my dsl router its wan ip address etc. and at work we have a router and firewall with quite a few addresses routed to it, how would the router be configured, would the serial be ip unnumbered from the ethernet interface?

I have this problem too.
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mohammedmahmoud Fri, 03/09/2007 - 08:53

Hi there,

Point-to-point interface can always be unnumbered as it is responsible for point-to-point connectivity.

The IPs that are assigned by your provider to you to be used as LAN IPs at your office are configured on your router's Ethernet interface from your side, and from the provider side the simple setup is that the provider adds a static route for these LAN IPs pointing to your router in order for the packets to be routed back to your router from the internet (your router should have a default route towards the provider to send the packets to the internet in the first place).

HTH, Please rate if it does help,

Mohammed Mahmoud.

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