User Guide   
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TENDA(config)# ip dhcp snooping         
Note: Enable DHCP snooping globally 
TENDA(config)# no ip dhcp snooping       
Note: Disable DHCP snooping globally 
 
TENDA(config)# ip dhcp snooping verify mac-address 
Note: Enable MAC checking 
TENDA(config)# no ip dhcp snooping verify mac-address 
Note: Disable MAC checking 
 
  Port settings 
TENDA(config)# interface range gigabitethernet 0/7 
TENDA(config-if)# ip dhcp snooping trust   
Note: Set port property to trust 
TENDA(config-if)# no ip dhcp snooping trust 
Note: Set port property to untrust 
TENDA(config-if)# ip dhcp snooping information policy drop 
Note: Set option strategy to drop 
TENDA(config-if)# ip dhcp snooping information policy keep 
Note: Set option strategy to keep 
TENDA(config-if)# ip dhcp snooping information policy replace 
Note: Set option strategy to replace 
 
TENDA(config-if)# ip dhcp snooping information option   
Note: Enable option82 
TENDA(config-if)# no ip dhcp snooping information option 
Note: Disable option82 
 
TENDA(config-if)# ip dhcp snooping option user-option   
Note: Enable user-defined option 
TENDA(config-if)# no ip dhcp snooping option user-option 
Note: Disable user-defined option 
 
TENDA(config-if)# ip dhcp snooping information option circuit-id 123 remote-id 345 
Note: Configure current port’s circuit ID sub-option and remote ID sub-option 
 
  View DHCP SNOOPING global info 
TENDA# show dhcp snooping 
 
5.3.33 SNMP Agent Configuration 
  Enable SNMP Agent 
TENDA(config)# snmp-server community public rw 
Note:  Set  community  name  to  public,  access  right  to  read  &  write,  and  enable  SNMP  in  the