PING command: When the it return 'Reply from X.X.X.X: Destination host unreachable.' does it means I received a ICMP 'Destination host unreachable' message from the router X.X.X.X? I understand that ICMP will
![Block icmp or ping using extended acl : a cisco packet tracer lab – Learn Linux CCNA CCNP CEH CISSP CISA Penetration-Testing Bug Bounty IPv6 Cyber-Security Network-Security Online Block icmp or ping using extended acl : a cisco packet tracer lab – Learn Linux CCNA CCNP CEH CISSP CISA Penetration-Testing Bug Bounty IPv6 Cyber-Security Network-Security Online](https://linuxtiwary.files.wordpress.com/2020/01/icmp-blocked.png?w=640)
Block icmp or ping using extended acl : a cisco packet tracer lab – Learn Linux CCNA CCNP CEH CISSP CISA Penetration-Testing Bug Bounty IPv6 Cyber-Security Network-Security Online
![router - "Destination host unreachable" when pinging a pc from another network - Network Engineering Stack Exchange router - "Destination host unreachable" when pinging a pc from another network - Network Engineering Stack Exchange](https://i.stack.imgur.com/pQSh2.png)