# # Sample configuration file for ISC dhcpd using Option 82 # option domain-name "foo.com"; local-address 10.1.1.10; option subnet-mask 255.255.255.0; default-lease-time 60000; max-lease-time 62000; ddns-update-style ad-hoc; subnet 10.1.1.0 netmask 255.255.255.0 { option broadcast-address 10.1.1.255; option subnet-mask 255.255.255.0; class "fixed6" { match if binary-to-ascii(16, 8, ":", substring(option agent.remote-id, 2, 6)) = "0:11:20:36:8e:c0" and binary-to-ascii (10, 8, "/", suffix ( option agent.circuit-id, 2)) = "0/5"; } pool { range 10.1.1.6; allow members of "fixed6"; } class "fixed7" { match if binary-to-ascii(16, 8, ":", substring(option agent.remote-id, 2, 6)) = "0:11:20:36:8e:c0" and binary-to-ascii (10, 8, "/", suffix ( option agent.circuit-id, 2)) = "0/6"; } pool { range 10.1.1.7; allow members of "fixed7"; } pool { option domain-name-servers bogus.foo.com; range 10.1.1.1 10.1.1.4; default-lease-time 50000; } } if exists agent.circuit-id { log (info, concat("Lease for ", binary-to-ascii (10, 8, ".", leased-address), " is connected to interface ", binary-to-ascii (10, 8, "/", suffix ( option agent.circuit-id, 2)), " (add 1 to port number!), VLAN ", binary-to-ascii (10, 16, "", substring( option agent.circuit-id, 2, 2)), " on switch ", binary-to-ascii(16, 8, ":", substring( option agent.remote-id, 2, 6)))); log (info, concat("Lease for ", binary-to-ascii (10, 8, ".", leased-address), " raw option-82 info is CID: ", binary-to-ascii (10, 8, ".", option agent.circuit-id), " AID: ", binary-to-ascii(16, 8, ".", option agent.remote-id))); }