Hey @Panos Bouras, You bring a really good point. In networking there is always yet another way to do things. Thank you for jogging my brain. Moving the ISP#1 and ISP#2 internet circuits to Cisco router does give us some additional flexibility and...
>>> or we just do a PAT to the new ISP for outbound only and the 1to1 NAT’s can not be migrated? I am not sure how this option provides a solution for high availability to your Web Servers. You will be using two ISPs and two circuits, but each ISP c...
>>> Is there any other way besides the above?You either have to have /24 block of public IPs (as described above in my post) or use the cloud-based load-balancer. If your company is smaller or has smaller IT department, the cloud-based load-balancer...
>>> Is it either we just need to get a /24 ?Some ISP's still have sufficiently large blocks of reserved IPs, which they are willing to lease. If you are able to provide sufficient justification for /24 block of public IPs to be allocated to you, you...
One option would be to use a cloud-based load-balancer (application L4/L7 or DNS load-balancer). You would have to setup each application with two external 1-to-1 NATs (e.g. 100.100.100.5 & 200.200.200.5) so that each application is available via ei...