Manual
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247 
5.  Configure delimiter 
Command 
Explanation 
Global mode 
ip dhcp relay information option delimiter 
[colon | dot | slash | space] 
no ip dhcp relay information option 
delimiter 
Set  the  delimiter  of  each  parameter  for 
suboption  of  option82  in  global  mode,  no 
command restores the delimiter as slash. 
6.  Configure creation method of option82 
Command 
Explanation 
Global mode 
ip dhcp relay information option self-
defined remote-id {hostname | mac | string 
WORD} 
no ip dhcp relay information option self-
defined remote-id 
Set  creation  method  for  option82,  users  can 
define the parameters of remote-id suboption 
by themselves 
ip dhcp relay information option self-
defined remote-id format [ascii | hex] 
Set self-defined format of remote-id for relay 
option82. 
ip dhcp relay information option self-
defined subscriber-id {vlan | port | id 
(switch-id (mac | hostname)| remote-mac)| 
string WORD } 
no ip dhcp relay information option self-
defined subscriber-id 
Set  creation  method  for  option82,  users  can 
define the parameters of circute-id suboption 
by themselves 
ip dhcp relay information option self-
defined subscriber-id format [ascii | hex] 
Set  self-defined  format  of  circuit-id  for  relay 
option82. 
7.  Diagnose and maintain DHCP option 82 
Command 
Explanation 
Admin mode 
show ip dhcp relay information option 
This  command  will  display  the  state 
information  of  the  DHCP  option  82  in  the 
system,  including  option82  enabling  switch, 
the  interface  retransmitting  policy,  the  circuit 
ID  mode  and  the  DHCP  server  option82 
enabling switch. 










