option ms-classless-static-routes code 249 = array of unsigned integer 8;
option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;
subnet 192.168.1.0 netmask 255.255.255.0 {
option routers 192.168.1.1;
option ms-classless-static-routes 24,192,168,2,192,168,1,2,24,192,168,3,192,168,1,2;
option rfc3442-classless-static-routes 24,192,168,2,192,168,1,2,24,192,168,3,192,168,1,2;
...
}
上面配置了默认网关192.168.1.1和2条静态路由：192.168.2.0/24和192.168.3.0/24，网关为192.168.1.2。两个24是掩码长度。 ms-classless-static-routes是Windows客户机使用，rfc3442-classless-static-routes是Linux客户机使用。