Configuration Guide Configuring DHCP Snooping
string ASCII-string: Indicates the content of the extensible format, the Option82 option remote-id, is a
user-defined character string
hostname: Indicates the content of the extensible format, the Option82 option remote-id, is a host name.
Global configuration mode
Use this command to configure the sub-option remote-id of the Option82 as user-defined content, which is
added to DHCP request packets. A DHCP server assigns addresses according to Option82 information.
Configuring Sub-Option circuit -id of Option82 as User-defined Character String
[ no ] ip dhcp snooping vlan vlan-id information option format-type circuit-id string ascii-string
vlan-id: Indicates the VLAN where a DHCP request packet is
ascii-string: Indicates the user-defined string
Interface configuration mode
Use this command to configure the sub-option circuit-id of the Option82 as user-defined content, which is
added to DHCP request packets. A DHCP server assigns addresses according to Option82 information.
Configuration Example
Configuring Option82 to DHCP Request Packets
Configuring basic functions of DHCP Snooping.
Configuring Option82.
Ruijie# configure terminal
Ruijie(config)# ip dhcp snooping information option
Ruijie(config)# end
Check the DHCP Snooping configuration.
B#show ip dhcp snooping
Switch DHCP Snooping status : ENABLE
DHCP Snooping Verification of hwaddr status : DISABLE
DHCP Snooping database write-delay time : 0 seconds
DHCP Snooping option 82 status : ENABLE
DHCP Snooping Support bootp bind status : DISABLE
Interface Trusted Rate limit (pps)
------------------------ ------- ----------------
GigabitEthernet 0/1 YES unlimited
Common Errors
N/A