Dell S6000 FTOS 9.0(2.0) Command Line Reference Guide for the System - Page 369
ip dhcp snooping vlan, ip dhcp relay information-option
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Command Modes INTERFACE Default Disabled Command History Version 9.0.2.0 Version 8.3.11.1 Version 8.2.1.0 Introduced on then S6000. Introduced on the Z9000. Introduced on the S-Series Usage Information 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 s z S6000 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 9.0.2.0 Version 8.3.11.1 Version 8.2.1.0 Introduced on then S6000. Introduced on the Z9000. Introduced on the 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 s z S6000 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) | 369