Dell Force10 MXL Blade MXL 10/40GbE Switch IO Module FTOS Command Line Referen - Page 695

40 Internet Control Message Protocol (ICMP) Message Types This chapter lists and describes the possible internet control message protocol (ICMP) Message Types resulting from a ping. The first three columns list the possible symbol or type/code. For example, you would receive a ! or 03 as an echo reply from your ping. Table 40-1. ICMP Messages and Their Definitions Symbol • ! U Type 0 3 C 4 5 8 Code Description Timeout (no reply) 3 echo reply destination unreachable: 0 network unreachable 1 host unreachable 2 protocol unreachable 3 port unreachable 4 fragmentation needed but don't fragment bit set 5 source route failed 6 destination network unknown 7 destination host unknown 8 source host isolated (obsolete) 9 destination network administratively prohibited 10 destination host administratively prohibited 11 network unreachable for TOS 12 host unreachable for TOS 13 communication administratively prohibited by filtering 14 host precedence violation 15 precedence cutoff in effect 0 source quench redirect 0 redirect for network 1 redirect for host 2 redirect for type-of-service and network 3 redirect for type-of-service and host 0 echo request Query Error • Internet Control Message Protocol (ICMP) Message Types | 695