Got a weird problem in my ironport. I have deployed it in inline mode. Having M1 as the internal network and P2 for external network.
The problem was, when I input a puclic ip address on the P2 interface, the interface cannot reach the internet. But when I try the public internet in a Laptop, the public ip address is working.
After setting the interface P2 into public, The interface cannot ping its public gateway that is very unusual. Tried using a private ip address to the P2 interface to test its connectivity, the P2 interface is working using private ip.
Anyone have experienced this scenario?