Data Fields | |
| uint8_t | type |
| Message Type. | |
| uint8_t | code |
| Type Sub-code. | |
| uint16_t | checksum |
| Checksum. | |
| union { | |
| struct { | |
| uint16_t id | |
| uint16_t sequence | |
| } echo | |
| Echo Datagram. | |
| uint32_t gateway | |
| Gateway Address. | |
| struct { | |
| uint16_t unused | |
| uint16_t mtu | |
| } frag | |
| Path MTU Discovery. | |
| } | un |
| Union for Payloads of Various ICMP Codes. | |
|
|
Checksum.
|
|
|
Type Sub-code.
|
|
|
Echo Datagram.
|
|
|
Path MTU Discovery.
|
|
|
Gateway Address.
|
|
|
Message Type.
|
|
|
Union for Payloads of Various ICMP Codes.
|
1.4.2