Ruijie RG-WLAN Series User Manual

Configuration Guide Configuring DHCP Snooping
ip dhcp snooping information option
format remote-id
Configures the sub-potion remote-id of
Option82 as a user-defined character string.
ip dhcp snooping vlan information option
format-type circuit-id string
Configures the sub-option circuit-id of
Option82 as a user-defined character string.
8.4.1 Configuring Basic Features
Configuration Effect
 Enable DHCP Snooping.
 Generate the DHCP Snooping binding database.
 Control the transmit range of DHCP packets.
 Filter out illegal DHCP packets.
Notes
 The ports on clients connecting a trusted DHCP server must be configured as trusted.
 DHCP Snooping is effective on the wired switching ports, layer-2 aggregate ports, and layer-2 encapsulation
sub-interfaces, as well as WLAN interfaces. The configuration can be implemented in interface configuration mode and
WLAN security configuration mode.
Configuration Steps
 Enabling Global DHCP Snooping
 Mandatory.
 Unless otherwise noted, the feature should be configured on access devices.
 Enabling or Disabling VLAN-based DHCP Snooping
 DHCP Snooping can be disabled if not necessary for some VLANs.
 Unless otherwise noted, the feature should be configured on access devices.
 Configuring DHCP Snooping Trusted Ports
 Mandatory.
 Configure the ports connecting a trusted DHCP server as trusted.
 Enabling DHCP Snooping Source MAC Validation
 This configuration is required if the chaddr fields of DHCP request packets match the layer-2 source MAC addresses of
data packets.
 Unless otherwise noted, the feature should be enabled on all the untrusted ports of access devices.
 Writing the DHCP Snooping Binding Database to Flash Periodically

Ruijie RG-WLAN Series Specifications

General

Brand	Ruijie
Model	RG-WLAN Series
Category	Wireless Access Point
Language	English