From 172.17.0.1 icmp_seq=1 Destination Host Unreachable From 172.17.0.1 icmp_seq=2 Destination Host Unreachable From 172.17.0.1 icmp_seq=3 Destination Host Unreachable From 172.17.0.1 icmp_seq=4 Destination Host Unreachable ^C --- 8.8.8.8 ping statistics --- 6 packets transmitted, 0 received, +4 errors, 100% packet loss, time 5000ms pipe 4

The TCP/IP Guide - ICMPv6 Destination Unreachable Messages This code is equivalent to the ICMPv4 “Host Unreachable” code and usually means the destination address was bad or there was a problem with resolving it into a layer two address. 4. Port Unreachable. The destination port specified in the UDP or TCP header was invalid or does not exist on the destination host. Internet Control Message Protocol (ICMP) has a variety of Jun 16, 2020

Information and symptoms: IOS code 12.2.33SHX3 Pings intermittently failing No ACLs anywhere in the path. Errors from debugs: Feb 1 23:34:02.562 cst: ICMP: dst (165.68.17.3) prohibited unreachable rcv from 165.68.17.104 Feb 2 12:16:30.371 cst: FIBipv4-packet-proc: route packet from (local) src 16

Jul 16, 2010 Internet Control Message Protocol (ICMP) Parameters Mar 25, 2020 Destination unreachable (Host administratively prohibited

Sep 25, 2011

Destination Host Unreachable Error Message- Reasons and About The Author: Alex George is a Microsoft and Cisco Certified Network Engineer. He has been working as a network engineer for more than ten years.