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Ensuring That APs Can Communicate with ZoneDirector
How to Ensure that APs Can Discover ZoneDirector on the Network
34
Ruckus Wireless, Inc.
• Value : A non-null terminated ASCII string that is a comma-separated list of
ZoneDirector IP addresses.
For example: If the there are two ZoneDirectors with IP addresses
192.168.0.10
and
192,168.0.20
, then the value will be “
192.168.0.10,192.168.0.20
”
and the length is
25
(hex value
0x19
).
For FlexMaster information (sub-option code 01)
• Type : 0x01
• Length : Count the number of characters in the ASCII string. (Length must
include “http”, plus all colons, slashes and decimals in the complete URL.)
•
Value
: A non-null terminated ASCII string that is a URL.
For example: If the Flex Master URL is
http://192.168.10.1/intune/
server
, the length is
33
(hex value
0x21
).
You will need this information when you configure DHCP Option 43 for both
FlexMaster and ZoneDirector. To calculate the length field conversion from decimal
to hexadecimal, you can use an online conversion website, such as
http://
www.easycalculation.com/decimal-converter.php , to perform the conversion.
The table below lists the sub-option code, FlexMaster URL and ZoneDirector IP
address that are used as examples in this procedure, along with their lengths in
decimal and hexadecimal values.
Most commonly used DHCP servers such as Microsoft DHCP and ISC DHCP
servers support vendor class DHCP option spaces and mapping of those option
spaces to option 60. While you can achieve encapsulating TLVs in option 43 by hard
coding the DHCP option 43 value, Ruckus Wireless recommends using vendor class
option spaces - especially when you have more than one vendor type on the network
and need “option 43” to be supported for different vendor type DHCP clients.
The following example describes how you can encapsulate option 43 using DHCP
vendor class option spaces to provide two ZoneDirector IP addresses:
192.168.0.10
and
192.168.0.20
.
URL / IP Address Decimal
Length Hexadecimal
Length Sub-option
Code
FlexMaster
http://192.168.10.1/
intune/server
(URL)
33 21 01
ZoneDirector
192.168.10.2
(IP Address) 12 0C 03