dhcp and option 43

[Chewbakka1]

Hi,

We run an isc-dhcp-server for providing addresses for our access-points.

The configuration looks something like this:

option space cisco;

option cisco.server-address code 241 = array of ip-address;

class "2700" {    
<lots of omitted config>

option cisco.server-address 192.168.247.5; }

}

My assumption is that 'server-address' is a Cisco specific attribute, that is understood by the access-point?

Other vendors would call this something else. True?

[Francesco Molino]

Hi

cisco.server-address is the way to setup the wlc controller for APs to get their config and join the wlc.
This is the dhcp option 43. This option is a standard used also for Aruba for example.

Then the attribute isn't just for Cisco but the parameter on ISC is used for a Cisco device to get this option where requesting a dhcp address