ip dhcp relay information-optionEnable Option 82.C-Series, E-Series, S-Series, Z-SeriesSyntax ip dhcp relay information-option [trust-downstream]Parameters trust-downstream Configure the system to trust Option 82 when it is received from theprevious-hop router.Default Disabled.Command Modes CONFIGURATIONCommand History Version 8.3.11.1 Introduced on the Z9000.Version 8.3.1.0 Introduced on the E-Series.Version 7.8.1.0 Introduced on C-Series and S-Series.ip dhcp relay information-agent remote-idManually re-set the remote-id for Option 82.Z-SeriesSyntax ip dhcp relay information-agent remote-id [hostname | remote-id]Parametershostname Set the hostname as the remote-id in Option 82.remote-id Enter the name of the remote-id, maximum 64 characters.Default Chassis MAC addressCommand Modes CONFIGURATIONCommand History Version 9.0.0.0 Introduced on the Z9000.UsageInformationOption 82 is comprised of two sub-options, circuit id and remote id. Remote iduses the MAC address of the relay agent which adds Option 82 to identify the host sending themessage. Use the ip dhcp relay information-agent remote-id command tochange the default remote-id value.RelatedCommandsip dhcp relay information-option – enables Option 82.605
