D-Link DGS-1520-28MP Product Manual - Page 212

vendor2 vendor3 DGS-1520 Series Gigabit Ethernet Smart Managed Switch CLI Reference Guide | g. | h. | i. | j | | Port ID | 1 | 6 | MAC | | 2 bytes | 1 byte | 1 byte | 6 bytes | a. Sub-option type: 1 means circuit ID. b. Length. c. Circuit ID's sub-option's first tag: This should be 0. d. First tag's length: This should be 6. e. VLAN ID. f. Slot ID: For a stand-alone switch, this is 1. For a stacked switch, this is the box ID assigned by stacking. g. Port ID: The port number of each box. h. Circuit ID's sub-option's second tag: This should be 1. i. Second tag's length: This should be 6. j. MAC address: The Switch's system MAC address. Specifies to use vender2. If configured, the circuit ID will use the following format to communicate with the server: | a. | b. | c. | | 1 | n | Port Number | | 1 byte | 1 byte | n byte | a. Sub-option type: 1 means circuit ID. b. Length: The length of the value. c. Value: The character string. The incoming port number of the DHCP client packet is formed in the string format and starts with the character "p". For example, "p02" means port 2. (When there is no circuit ID sub-option type, the value is directly filled in.) For the stacking port number, the format of port 1 on the switch unit 3 is p129. The maximum port number reserved for one switch unit is 64. Specifies to use vender3. If configured, the circuit ID will use the following format to communicate with the server: | a. | b. | c. | | 1 | n | User Defined | | 1 byte | 1 byte | Max. 32 bytes | a. Sub-option type: 1 means circuit ID. b. Length: Total length of user-defined string. By default, Length is 0 and no value field. c. Value: Flexible user-defined string that configured through the ip dhcp relay information option format-type remote-id vendor3 string STRING command. The maximum length is 32. (When there is no circuit ID sub-option type, the value is directly filled in.) 208