HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Services Conf - Page 66
Con GigabitEthernet 1/0/3 to support Option 82.
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• On GigabitEthernet 1/0/2, configure the padding content for the circuit ID sub-option as company001 and for the remote ID sub-option as device001. • On GigabitEthernet 1/0/3, configure the padding format as verbose, access node identifier as sysname, and code type as ascii for Option 82. • Switch forwards DHCP requests to the DHCP server after replacing Option 82 in the requests, so that the DHCP clients can obtain IP addresses. Configuration procedure # Enable DHCP snooping. system-view [Switch] dhcp-snooping # Specify GigabitEthernet 1/0/1 as trusted. [Switch] interface GigabitEthernet 1/0/1 [Switch-GigabitEthernet1/0/1] dhcp-snooping trust [Switch-GigabitEthernet1/0/1] quit # Configure GigabitEthernet 1/0/2 to support Option 82. [Switch] interface GigabitEthernet 1/0/2 [Switch-GigabitEthernet1/0/2] dhcp-snooping information enable [Switch-GigabitEthernet1/0/2] dhcp-snooping information strategy replace [Switch-GigabitEthernet1/0/2] dhcp-snooping information circuit-id string company001 [Switch-GigabitEthernet1/0/2] dhcp-snooping information remote-id string device001 [Switch-GigabitEthernet1/0/2] quit # Configure GigabitEthernet 1/0/3 to support Option 82. [Switch] interface GigabitEthernet 1/0/3 [Switch-GigabitEthernet1/0/3] dhcp-snooping information enable [Switch-GigabitEthernet1/0/3] dhcp-snooping information strategy replace [Switch-GigabitEthernet1/0/3] dhcp-snooping information format verbose node-identifier sysname [Switch-GigabitEthernet1/0/3] dhcp-snooping information circuit-id format-type ascii [Switch-GigabitEthernet1/0/3] dhcp-snooping information remote-id format-type ascii 58