Cisco WS-C3560E-48PD-SF Command Reference - Page 173

Chapter 2 Catalyst 3560 Switch Cisco IOS Commands ip dhcp snooping binding ip dhcp snooping binding Use the ip dhcp snooping binding privileged EXEC command to configure the DHCP snooping binding database and to add binding entries to the database. Use the no form of this command to delete entries from the binding database. ip dhcp snooping binding mac-address vlan vlan-id ip-address interface interface-id expiry seconds no ip dhcp snooping binding mac-address vlan vlan-id ip-address interface interface-id This command is available only if your switch is running the IP services image, formerly known as the enhanced multilayer image (EMI). Syntax Description mac-address vlan vlan-id ip-address interface interface-id expiry seconds Specify a MAC address. Specify a VLAN number. The range is 1 to 4094. Specify an IP address. Specify an interface on which to add or delete a binding entry. Specify the interval (in seconds) after which the binding entry is no longer valid. The range is 1 to 4294967295. Defaults No default database is defined. Command Modes Privileged EXEC Command History Release 12.2(20)SE Modification This command was introduced. Usage Guidelines Use this command when you are testing or debugging the switch. In the DHCP snooping binding database, each database entry, also referred to a binding, has an IP address, an associated MAC address, the lease time (in hexadecimal format), the interface to which the binding applies, and the VLAN to which the interface belongs. The database can have up to 8192 bindings. Use the show ip dhcp snooping binding privileged EXEC command to display only the configured bindings. Use the show ip source binding privileged EXEC command to display the dynamically and statically configured bindings. 78-16405-05 Catalyst 3560 Switch Command Reference 2-141