| IP option 0, End of options list |
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Description | Glossary | RFCs | Publications | Obsolete RFCs |
| Protocol suite: | TCP/IP. |
| Protocol type: | Connectionless network layer protocol. |
| Option length: | 1 byte. |
| Host implementation: | |
| Router implementation: | |
| Links: | IANA: IP option numbers. |
A single byte option used to indicate the end of the option list in the IP header. This might not coincide with the end of the header according to the header length. This option is used at the end of all options, not the end of each option, and need only be used if the end of the options would not otherwise coincide with the end of the IP header.
| MAC header | IP header | IP option 0 | Data ::: |
IP option 0:
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
|---|---|---|---|---|---|---|---|
| Type | |||||||
Type. 8 bits. Cleared to 0.
00 01 02 03 04 05 06 07 C Class Option C, Copy flag. 1 bit. Cleared to 0.
The option is not to be copied into all fragments.Class. 2 bits. Cleared to 0.
This is a control option.Option. 5 bits. Cleared to 0.
The IP option number.
RFCs:
[RFC 791] Internet Protocol.
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Description | Glossary | RFCs | Publications | Obsolete RFCs |