Dell Force10 S4820T FTOS Command Reference Guide - Page 1387

Command History Usage Information Related Commands Version 8.3.19.0 Version 8.3.7.0 Version 7.8.1.0 Introduced on S4820T Introduced on S4810 Introduced on C-Series and S-Series When enabled, no learning takes place until snooping is enabled on a VLAN. Upon disabling DHCP Snooping the binding table is deleted, and Option 82, IP Source Guard, and Dynamic ARP Inspection are disabled. ip dhcp snooping vlan Enable DHCP Snooping on one or more VLANs. ip dhcp snooping database c s Delay writing the binding table for a specified time. Syntax Parameters Command Modes Default Command History ip dhcp snooping database write-delay minutes minutes Range: 5 to 21600 CONFIGURATION None Version 8.3.19.0 Version 8.3.7.0 Version 7.8.1.0 Introduced on S4820T Introduced on S4810 Introduced on C-Series and S-Series ip dhcp snooping binding c s Create a static entry in the DHCP binding table. Syntax Parameters [no] ip dhcp snooping binding mac address vlan-id vlan-id ip ip-address interface type slot/port lease number mac address vlan-id vlan-id ip ip-address Enter the keyword mac followed by the MAC address of the host to which the server is leasing the IP address. Enter the keyword vlan-id followed by the VLAN to which the host belongs. Range: 2 to 4094 Enter the keyword ip followed by the IP address that the server is leasing. Security | 1387