Add Static Entries to DHCP Snooping Binding Table

Use the following procedure to add devices with a specified MAC address to the DHCP Snooping binding table.

Procedure

  1. Enter Global Configuration mode:

    enable

    configure terminal

  2. Add the static entry to the DHCP Snooping binding table:

    ip dhcp-snooping binding <1-4059> 0x00:0x00:0x00:0x00:0x00:0x00 ip {A.B.C.D} port {slot/port[sub-port]} [expiry <0-2147483646>]

Example

Switch:1>enable
Switch:1#configure terminal
Switch:1(config)# ip dhcp-snooping binding 1 00-14-22-01-23-45 ip 10.10.10.01 port 1/2 expiry 2

Variable Definitions

The following table defines parameters for the ip dhcp-snooping binding command.

Variable

Value

<1-4059>

Specifies the VLAN ID.

0x00:0x00:0x00:0x00:0x00:0x00

Specifies the MAC address of the DHCP client.

ip {A.B.C.D}

Specifies the IP address of the DHCP client.

port {slot/port[/sub-port] [-slot/port[/sub-port]] [,...]}

Specifies the switch port to which the DHCP client connects.

expiry <0-2147483646>

Specifies the expiry time (in seconds) for the DHCP client.