Dell Force10 S60-44T FTOS Command Line Reference Guide for the S60 System FTOS - Page 401

Default Disabled Command History Version 8.3.5.0 Version 8.3.1.0 Version 8.2.1.0 Version 7.8.1.0 Introduced on the S55. Introduced on E-Series. Added keyword ipmac. Introduced on C-Series and S-Series Usage You must allocate at least one FP block to ipmacacl before you can enable IP+MAC Source Address Information 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 [no] ip dhcp snooping vlan name Parameters name Enter the name of a VLAN on which to enable DHCP Snooping. Command Modes CONFIGURATION Default Disabled Command History Version 8.3.5.0 Version 8.3.1.0 Version 7.8.1.0 Introduced on the S55. Introduced on E-Series. Introduced on C-Series and S-Series Usage When enabled the system begins creating entries in the binding table for the specified VLAN(s). Note Information 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 c e s Enable Option 82. Syntax ip dhcp relay information-option [trust-downstream] Parameters trust-downstream Configure the system to trust Option 82 when it is received from the previous-hop router. Command Modes CONFIGURATION Dynamic Host Configuration Protocol (DHCP) | 401