Netgear XCM8806 Chassis Hardware Installation Guide - Page 817
con bootprelay dhcp-agent information circuit-id port-information
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NETGEAR 8800 Chassis Switch CLI Manual Usage Guidelines In some instances, a DHCP server may not properly handle a DHCP request packet containing a relay agent option. Use this command to prevent DHCP reply packets with invalid or missing relay agent options from being forwarded to the client. To disable this check, use the following command: unconfigure bootprelay dhcp-agent information check Example The following command configures the DHCP relay agent option check: configure bootprelay dhcp-agent information check configure bootprelay dhcp-agent information circuit-id port-information configure bootprelay dhcp-agent information circuit-id port-information port Description Configures the circuit ID sub-option that identifies the port for an incoming DHCP request. Syntax Description port_info port Specifies a text string that becomes the circuit ID sub-option for the specified port. Specify a text string composed of 1 to 32 characters. Specifies the port to which the circuit ID sub-option is assigned. Default The default port_info is encoded as ((slot_number * 1000) + port_number/portIfindex). For example, if the DHCP request is received on port 3:12, the default circuit ID port_info value is 3012. Usage Guidelines The full circuit ID string uses the format -. To configure the vlan_info portion of the circuit ID string, use the following command: configure bootprelay dhcp-agent information circuit-id vlan-information {vlan} [|all] To display the port_info information, use the following command: show bootprelay dhcp-agent information circuit-id port-information ports all Example The following command configures the circuit ID port_info value slot1port3 for port 1:3: Chapter 19. IP Unicast Commands | 817