BOOTP/DHCP option 19, IP Forwarding enable/disable

Description Glossary RFCs Publications Obsolete RFCs

Description:

Protocol suite: TCP/IP.
Protocol type:Application layer configuration protocol.
Base protocols: BOOTP, Bootstrap Protocol.
DHCP, Dynamic Host Configuration Protocol.
Option length:3 bytes.
Links: IANA: BOOTP and DHCP options.

This option specifies whether the client should configure its IP layer for packet forwarding.


MAC header IP header UDP header BOOTP | DHCP header BOOTP/DHCP option 19

BOOTP/DHCP option 19:

0001020304050607 0809101112131415 1617181920212223
Code Length Value

Code. 8 bits. Always set to 19.
Option code.

Length. 8 bits. Always set to 1.
Size of the option data in bytes.

Value. 8 bits.

ValueDescription
0Disable IP forwarding.
1Enable IP forwarding.

Glossary:


RFCs:

[RFC 2132] DHCP Options and BOOTP Vendor Extensions.


Publications:


Obsolete RFCs:

[RFC 1533] DHCP Options and BOOTP Vendor Extensions.


Description Glossary RFCs Publications Obsolete RFCs