HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Services Comm - Page 61
dhcp-snooping information enable
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Description Use dhcp-snooping information circuit-id string to configure the padding content for the user-defined circuit ID sub-option. Use undo dhcp-snooping information circuit-id string to restore the default. By default, the padding content for the circuit ID sub-option depends on the padding format of Option 82. • After you configure the padding content for the circuit ID sub-option using this command, ASCII is adopted as the code type. • If a VLAN is specified, the configured circuit ID sub-option only takes effect within the VLAN. If no VLAN is specified, the configured circuit ID sub-option takes effect in all VLANs. The former case has a higher priority. The circuit ID sub-option specified for a VLAN will be padded for packets within the VLAN. Related commands: dhcp-snooping information format and display dhcp-snooping information. Examples # Configure the padding content for the user-defined circuit ID sub-option as company001. system-view [Sysname] interface GigabitEthernet 1/0/1 [Sysname-GigabitEthernet1/0/1] dhcp-snooping information circuit-id string company001 dhcp-snooping information enable Syntax dhcp-snooping information enable View undo dhcp-snooping information enable Layer 2 Ethernet port view, Layer 2 aggregate interface view Default level 2: System level Parameters None Description Use dhcp-snooping information enable to configure DHCP snooping to support Option 82. Use undo dhcp-snooping information enable to disable this function. By default, DHCP snooping does not support Option 82. Related commands: display dhcp-snooping information. Examples # Configure DHCP snooping to support Option 82. system-view [Sysname] interface GigabitEthernet1/0/1 [Sysname-GigabitEthernet1/0/1] dhcp-snooping information enable 54