A WLAN deployment uses a combination of Cisco Aironet 1260 APs and multiple Cisco 5500
Wireless LAN Controllers to provide wireless LAN access to end-users. The network administrator
has decided to use DHCP Option 43 to enable the APs to discover the wireless LAN controllers.
When configuring the DHCP scope, which format should be used for the Cisco WLC addresses?
A.
a comma-separated ASCII string of Cisco WLC AP-manager addresses
B.
a comma-separated ASCII string of Cisco WLC management addresses
C.
a comma-separated ASCII string of Cisco WLC virtual IP addresses
D.
a hexadecimal string of Cisco WLC AP-manager addresses
E.
a hexadecimal string of Cisco WLC management addresses
F.
a hexadecimal string of Cisco WLC virtual IP addresses
Complete these steps in order to configure DHCP Option 43, in the embedded Cisco IOS DHCP server, for all Cisco Aironet APs that run Cisco 10S. This includes all APs except for the VxWorks 1000 Series (see the next section) and the 600 Series OEAP which does not use Option 43.
ip dhcp pool
network
default-router
dns-server
option 43 hex
The hexadecimal string in step 3 is assembled as a sequence of the TLV values for the Option 43 suboption: Type + Length + Value. Type is always the suboption code Oxf1. Length is the number of controller management IP addresses times 4 in hex. Value is the IP address of the controller listed sequentially in hex.
hex – management
Hex man