通用部分

 

ICMP 类型及代码

更新时间 2023-09-06
类型值 类型说明 代码值 代码说明
8 Echo 0 Echo request
0 Echo Reply 0 Echo reply
3 Destination Unreachable 0 Destination network unreachable
    1 Destination host unreachable
    2 Destination protocol unreachable
    3 Destination port unreachable
    4 Fragmentation required, and DF flag set
    5 Source route failed
    6 Destination network unknown
    7 Destination host unknown
    8 Source host isolated
    9 Network administratively prohibited
    10 Host administratively prohibited
    11 Network unreachable for TOS
    12 Host unreachable for TOS
    13 Communication administratively prohibited
    14 Host Precedence Violation
    15 Precedence cutoff in effect
4 Source Quench 0 Source quench (congestion control)
5 Redirect Message 0 Redirect Datagram for the Network
    1 Redirect Datagram for the Host
    2 Redirect Datagram for the TOS & network
    3 Redirect Datagram for the TOS & host
9 Router Advertisement 0 Router Advertisement
10 Router Solicitation 0 Router discovery/selection/solicitation
11 Time Exceeded 0 TTL expired in transit
    1 Fragment reassembly time exceeded
12 Parameter Problem: Bad IP header 0 Pointer indicates the error
    1 Missing a required option
    2 Bad length
13 Timestamp 0 Timestamp
14 Timestamp Reply 0 Timestamp reply
15 Information Request 0 Information request
16 Information Reply 0 Information reply
17 Address Mask Reques 0 Address mask request
18 Address Mask Reply 0 Address mask reply
30 Traceroute 0 Information request
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