Dell Force10 S4820T FTOS Command Reference Guide - Page 512

www.dell.com | support.dell.com Command History Usage Information Version 8.3.19.0 Version 8.3.7.0 Version 8.3.1.0 Version 8.2.1.0 Version 7.8.1.0 Introduced on S4820T Introduced on S4810 Introduced on E-Series. Added keyword ipmac. Introduced on C-Series and S-Series You must allocate at least one FP block to ipmacacl before you can enable IP+MAC Source Address Validation. 1. Use the command cam-acl l2acl from CONFIGURATION mode 2. Save the running-config to the startup-config 3. Reload the system. ip dhcp snooping vlan c e s Enable DHCP Snooping on one or more VLANs. Syntax Parameters [no] ip dhcp snooping vlan name name Enter the name of a VLAN on which to enable DHCP Snooping. Command Modes CONFIGURATION Default Disabled Command History Version 8.3.1.0 Version 7.8.1.0 Introduced on E-Series. Introduced on C-Series and S-Series Usage Information When enabled the system begins creating entries in the binding table for the specified VLAN(s). Note that learning only happens if there is a trusted port in the VLAN. Related Commands ip dhcp snooping trust Configure an interface as trusted. ip dhcp relay information-option c e s Enable Option 82. Syntax ip dhcp relay information-option [remote-id | trust-downstream] 512 | Dynamic Host Configuration Protocol (DHCP)