HP Aruba JL253A Management And Configuration Manual page 340

Now the new vendor class will have new suboption with code 148. Next is to add these vendor class and
suboptions to the scope. To add proxy server details to scope, navigate to Server Manager and select Server
Options in the IPv4 window.
5. Right click server options and select Configure options. Go to Advanced tab, select the vendor class from
the menu as the newly defined class. New suboptions that are added appears.
Check 148 and add Proxy details in string value field, in the format as mentioned:
<http://web-proxy.in.ABCcorp.net:8080> or <http://192.168.50.18:3128>
Check 144 and add configuration filename in string value field (optional).
340 Aruba 2930F / 2930M Management and Configuration Guide
for ArubaOS-Switch 16.08