Manual
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251 
Chapter 32 DHCP option 60 and option 43 
Introduction to DHCP option 60 and option 43 
DHCP  server  analyzes  DHCP  packets  from  DHCP  client.  If  packets  with  option  60,  it  will 
decide whether option 43 is returned to DHCP client according to option 60 of packets and 
configuration of option 60 and option 43 in DHCP server address pool. 
Configure the corresponding option 60 and option 43 in DHCP server address pool: 
1.  Address pool configured option 60 and option 43 at the same time. The received DHCP 
packet  with  option  60  from  DHCP  client,  if  it  matches  with  option  60  of  DHCP  server 
address pool, DHCP client will receive the option 43 configured in the address pool, or else 
do not return option 43 to DHCP client. 
2.  Address pool  only  configured  option 43, it will match with any option  60. If the  received 
DHCP  packet  with  option  60  from  DHCP  client,  DHCP  client  will  receive  the  option  43 
configured in the address pool. 
3.  Address pool only configured option 60, it will not return option 43 to DHCP client. 
4.  DHCP option 60 and option 43 Configuration Task List 
1.  Basic DHCP option 60 and option 43 configuration   
Command 
Explanation 
Address pool configuration mode 
option 60 ascii LINE 
Configure  option  60  character  string  with  ascii  format  in  ip  dhcp 
pool mode. 
option 43 ascii LINE 
Configure  option  43  character  string  with  ascii  format  in  ip  dhcp 
pool mode. 
option 60 hex WORD 
Configure  option  60  character  string  with  hex  format  in  ip  dhcp 
pool mode. 
option 43 hex WORD 
Configure  option  43  character  string  with  hex  format  in  ip  dhcp 
pool mode. 
option 60 ip A.B.C.D 
Configure option 60 character string with IP format in ip dhcp pool 
mode. 
option 43 ip A.B.C.D 
Configure option 43 character string with IP format in ip dhcp pool 
mode. 
no option 60 
Delete the configured option 60 in the address pool mode. 
no option 43 
Delete the configured option 43 in the address pool mode. 










