Dell Force10 S4820T FTOS Command Reference Guide - Page 577

21 ICMP Message Types This chapter lists and describes the possible ICMP Message Type. The first three columns list the possible symbol or type/code. For example, you would receive a ! or 03 as an echo reply from a ping. Table 21-2. ICMP Messages and their definitions Symbol Type • ! 0 U 3 C 4 5 Code 3 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 0 1 2 Description Query Error Timeout (no reply) echo reply • destination unreachable: network unreachable • host unreachable • protocol unreachable • port unreachable • fragmentation needed but don't fragment bit set • source route failed • destination network unknown • destination host unknown • source host isolated (obsolete) • destination network administratively prohibited • destination host administratively prohibited • network unreachable for TOS • host unreachable for TOS • communication administratively prohibited by • filtering host precedence violation • precedence cutoff in effect • source quench • redirect • redirect for network • redirect for host • redirect for type-of-service and network • | 577