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发表于 2012-01-13 13:07 |只看该作者 |倒序浏览

dhcpd.conf中如何配置option 125？

由于机顶壳拿到地址后需要做option 125的比较，因此我基于redhat的dhcpserver在offer消息中必须携带option 125，但是配了多次，均不生效；
配置后，包里面还是没有携带option 125，不知道具体是怎么配的，还是这个dhcp server不支持option 125？

[root@sh-testdrm dhcp]# more /etc/dhcpd.conf
ddns-update-style interim;
log-facility local7;
allow client-updates;
option classless-static-routes code 121 = array of unsigned integer 8;
set vendor-string = option vendor-class-identifier;
#option space MITEL;
#option MITEL.option-125 code 125 = string;
option option-125 code 125 = string;shared-network IPTV-DHCPnet
{
      subnet 192.168.3.0 netmask 255.255.255.0 {}
      option domain-name "domain.org";
      option domain-name-servers 192.168.3.1;

      default-lease-time 86400;
      max-lease-time 172800;

      class "vlan510" {
            #match if option vendor-class-identifier="MSFT_XXXXXX" and binary-to-ascii(10,16,"",substring(option agent.circuit-i
d,2,2)) = "510";
            match if substring(option vendor-class-identifier,0,4)="iptv";
      }

      class "vlan511" {
               #match if option vendor-class-identifier="MSFT_XXXXXX" and binary-to-ascii(10,16,"",substring(option agent.circuit-
id,2,2)) = "511";
            match if substring(option vendor-class-identifier,0,12)="HUAWEIEC2108";
      }

      subnet 192.168.22.0 netmask 255.255.255.0
      {

            pool {
            allow members of "vlan510";
            range 192.168.22.2 192.168.22.127;
            }
      option routers 192.168.22.1;
      option subnet-mask 255.255.255.0;
      option broadcast-address 192.168.22.255;
      }

      subnet 192.168.33.0 netmask 255.255.255.0
      {

            pool {
            allow members of "vlan511";
            range 192.168.33.2 192.168.33.127;
            }
      option routers 192.168.33.1;
      option subnet-mask 255.255.255.0;
      option broadcast-address 192.168.33.255;
      #vendor-option-space MITEL;
      option option-125 "SHCTCIPTVDHCPAAA";       }
}