D-Link DGS-1250 Emulator - Page 112
ip dhcp relay information option format remote-id
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DGS-1250 Series Gigabit Ethernet Smart Managed Switch CLI Reference Guide ip dhcp relay information policy-action {drop | keep | replace} no ip dhcp relay information policy-action Parameters drop keep replace Specifies to discard the packet that already has the relay option. Specifies that the DHCP request packet that already has the relay option is left unchanged and directly relayed to the DHCP server. Specifies that the DHCP request packet that already has the relay option will be replaced by a new option. Default None. Command Mode Interface Configuration Mode. Usage Guideline TThis command takes effect when the service dhcp command is enabled. Use this command to configure the global policy for the insertion of Option 82 on packets that already have Option 82. Example This example shows how to configure the relay agent option re-forwarding policy to keep and set the policy to drop for VLAN 100. The effective relay agent option re-forwarding policy for VLAN 100 is drop and for the remaining interfaces are set as keep. Switch# configure terminal Switch(config)# ip dhcp relay information policy keep Switch(config)# interface vlan 100 Switch(config-if)# ip dhcp relay information policy-action drop Switch(config-if)# 15-10 ip dhcp relay information option format remote-id This command is used to configure the DHCP information remote ID sub-option. Use the no form of this command to configure the default remote ID sub-option. ip dhcp relay information option format remote-id {default | string SENTENCE | vendor2 | vendor3} no ip dhcp relay information option format remote-id Parameters default Specifies to use the Switch's system MAC address as the remote ID. The remote ID is formed in the following format: | a. | b. | c. | d. | e. | | 2 | 8 | 0 | 6 | MAC Address | | 1 byte | 1 byte | 1 byte | 1 byte | 6 bytes | 109
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