2-8Configuration procedure# Enable DHCP snooping. system-view[SwitchA] dhcp-snooping# Specify GigabitEthernet1/0/1 as trusted.[SwitchA] interface GigabitEthernet1/0/1[SwitchA-GigabitEthernet1/0/1] dhcp-snooping trust[SwitchA-GigabitEthernet1/0/1] quit# Configure GigabitEthernet1/0/2 to support Option 82.[SwitchA] interface GigabitEthernet1/0/2[SwitchA-GigabitEthernet1/0/2] dhcp-snooping information enable[SwitchA-GigabitEthernet1/0/2] dhcp-snooping information strategy replace[SwitchA-GigabitEthernet1/0/2] dhcp-snooping information circuit-id string company001[SwitchA-GigabitEthernet1/0/2] dhcp-snooping information remote-id string device001[SwitchA-GigabitEthernet1/0/2] quit# Configure gigabitethernet 1/0/3 to support Option 82.[SwitchA] interface gigabitethernet 1/0/3[SwitchA-gigabitethernet 1/0/3] dhcp-snooping information enable[SwitchA-gigabitethernet 1/0/3] dhcp-snooping information strategy replace[SwitchA-gigabitethernet 1/0/3] dhcp-snooping information format verbose node-identifiersysname[SwitchA-gigabitethernet 1/0/3] dhcp-snooping information circuit-id format-type ascii[SwitchA-gigabitethernet 1/0/3] dhcp-snooping information remote-id format-type ascii