| BOOTP / DHCP option 35, ARP cache timeout |
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Description | Glossary | RFCs | Publications | Obsolete RFCs |
| Protocol suite: | TCP/IP. |
| Protocol type: | Application layer configuration protocol. |
| Base protocols: |
BOOTP, Bootstrap Protocol. DHCP, Dynamic Host Configuration Protocol. |
| Option length: | 6 bytes. |
| Links: | IANA: BOOTP and DHCP options. |
This option specifies the timeout in seconds for ARP cache entries.
| MAC header | IP header | UDP header | BOOTP | DHCP header | BOOTP / DHCP option 35 |
BOOTP / DHCP option 35:
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code | Length | ||||||||||||||
| Timeout - | |||||||||||||||
Code.
8 bits.
Always set to 35.
Option code.
Length.
8 bits.
Always set to 4.
Size of the option data in bytes.
Timeout.
32 bits, unsigned.
Timeout in seconds.
RFCs:
[RFC 2132] DHCP Options and BOOTP Vendor Extensions.
[RFC 1533] DHCP Options and BOOTP Vendor Extensions.
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Description | Glossary | RFCs | Publications | Obsolete RFCs |