Nortel Networks NN43001-504 User Manual

Page 185

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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
Code

08 09 10 11 12 13 14 15
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
Code

08 09 10 11 12 13 14 15
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 MIT-LCS UDP servers available to the
client. The servers SHOULD be listed in order of preference.

00 01 02 03 04 05 06 07
Code

08 09 10 11 12 13 14 15
Length

Nortel Communication Server 1000

WLAN IP Telephony Installation and Commissioning

NN43001-504

01.02

Standard

Release 5.0

15 June 2007

Copyright © 2004-2007, Nortel Networks

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