As per the above topology.
i have preferred ADSL router for host's to reach the internet and GO_DIA as backup using static default router + AD manipulation + IP SLA + Tracking object.
regarding the natting configuration, do i have to configure nating (Overload) on edge router interface fa1/0, considering the ADSL router might configured with natting already. and when the internet traffic fail to GO_DIA i think i have to implement natting overloading for the host and static natting for the server...
am i on the right way? please, correct me if i am wrong..
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I have one router 2921 edge router connected with two internet connections:
Internet connection (1): ADSL. (Dynamic IP) [ Intended to be preferred over the DIA ]
Internet connection (2): DIA. (Public IP) [ intended to be a backup for the ADSL & to provide accessibility to a server in my network from the customers ].
The objective is to route the internet traffic which originated from the LAN to the ADSL router and in case the ADSL failed the internet will be routed to the DIA.
I have succeed to accomplish the above objective through simulation (GNS 3) by using Static default route + IP SLA + Tracking object.
Until i have interrupted with a new challenge which is as following:
How i should configure the Natting in my router against the DIA and ADSL routers considering allowing any traffic originated from outside the network to reach my server.
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