Question is one of my cisco routers is directly with ISP. we have static IP configured on router assigned by ISP. Now the thing is from outside network, I can ping my ISP's gateway IP but I can't ping router's public IP. When I logged in through cons...

I am running traceroute to 8.8.8.8 but it is not working. though when I ping 8.8.8.8 but its pinging  I have done quite a research and learned that traceroute works on udp dns resolution. Cisco 891 is configured with ZBF and udp and icmp is allowed f...