Configuration Guide Configuring DHCP Snooping
Enable this feature to timely save the DHCP Snooping binding database information in case that client reboot.
Unless otherwise noted, the feature should be configured on access devices.
Enabling BOOTP Support
Optional
Unless otherwise noted, the feature should be configured on access devices.
Enabling DHCP Snooping to Deal with Relay Request Packets.
Optional.
Unless otherwise noted, the feature should be configured on access devices.
Verification
Configure a client to obtain network configurations through the DHCP protocol.
Check whether the DHCP Snooping Binding database is generated with entries on the client.
Related Commands
Enabling or Disabling DHCP Snooping
Global configuration mode
After global DHCP Snooping is enabled, you can check DHCP Snooping using the show ip dhcp snooping
command.
Configuring VLAN-based DHCP Snooping
[ no ] ip dhcp snooping vlan { vlan-rng | {vlan-min [ vlan-max ] } }
vlan-rng: Indicates the range of VLANs
vlan-min: The minimum VLAN ID
vlan-max: The maximum VLAN ID
Global configuration mode
Use this command to enable or disable DHCP Snooping on specified VLANs. This feature is available only
after global DHCP Snooping is enabled.
Configuring DHCP Snooping Packet Suppression
[ no ] ip dhcp snooping suppression