Configuration example for option 125 (''dhcp_poolname_opt=2''): # Declare the architecture of opt125 for VASExperts option space VASEX code width 1 length width 1; option VASEX.poolname code 1 = string; option space vivso code width 4 length width 1; option vivso.VASEX code 43823 = encapsulate VASEX; option vivso.iana code 0 = string; option op125 code 125 = encapsulate vivso; shared-network MyShare { # Declare the pool class "my-pool1" class "dhcp-pool1" { match if option VASEX.poolname = "my-pool1"; } # Declare the pool class "my-pool2" class "dhcp-pool2" { match if option VASEX.poolname = "my-pool2"; } # ... # pool "my-pool1" subnet 10.250.130.0 netmask 255.255.255.0 { option routers 10.250.130.1; pool { allow members of "dhcp-pool1"; range 10.250.130.2 10.250.130.250; } } # pool "my-pool2" subnet 10.250.140.0 netmask 255.255.255.0 { option routers 10.250.140.1; pool { allow members of "dhcp-pool2"; range 10.250.140.2 10.250.140.250; } } # ... }