DHCP options 185
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Mask
Code. 8 bits. Always set to 1.
Length. 8 bits. Always set to 4.
Mask. 32 bits. Subnet mask of the client.
RFCs: [RFC 2132] DHCP Options.
Updated by: RFC 3942.
DHCP option 3: Length: 6+ bytes This option specifies a list of 32 bit IP addresses for routers on the client’s subnet. The routers SHOULD be listed in order of preference.
00 01 02 03 04 05 06 07 | 08 09 10 11 12 13 14 15 |
Code | Length |
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 IP address
Code. 8 bits. Always set to 3.
Length. 8 bits. 4+ in multiples of 4.
IP address. 32 bits. One or more IPv4 addresses.
RFCs: [RFC 2132] DHCP Options.
Updated by: RFC 3942.
DHCP option 6: 6+ bytes This option specifies a list of DNS servers available to the client. The servers SHOULD be listed in order of preference.
00 01 02 03 04 05 06 07 | 08 09 10 11 12 13 14 15 |
Code | Length |
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 IP address
Code. 8 bits. Always set to 6.
Length. 8 bits. 4+ in multiples of 4.
IP address. 32 bits. One or more IPv4 addresses.
RFCs: [RFC 2132] DHCP Options.
DHCP option 7: 6+ bytes This option specifies a list of
00 01 02 03 04 05 06 07 | 08 09 10 11 12 13 14 15 |
Code | Length |
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
Release 5.0 15 June 2007