Qtech QSW-8200-28T-POEAC- DC [41/79] Ip dhcp relay information option self defined remote id

User Manual

Chapter 3. Commands for DHCP Option 82 41

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 MAC means VLAN MAC address.

 The compatible remote-id format with HP manufacturer defined as below:

 IP means the primary IP address of layer 3 interface where DHCP packets from.

 Example: Set remote-id of Relay Agent option82 as the compatible format with HP

manufacturer.

 Switch(config)#ip dhcp relay information option remote-id format vs-hp

3.6 ip dhcp relay information option self-defined remote-id

 Command: ip dhcp relay information option self-defined remote-id {hostname | mac

| string WORD}

o no ip dhcp relay information option self-defined remote-id

 Function: Set creation method for option82, users can define the parameters of

remote-id suboption by themselves.

 Parameters: WORD the defined character string of remote-id by themselves, the

maximum length is 64.

 Command Mode: Global Mode

 Default: Using standard method.

 Usage Guide: After configure this command, if users do not configure remote-id on

interface, it will create remote-id suboption for option82 according to self-defined

method. For mac, use the format such as 00-02-d1-2e-3a-0d if it is filled to packets with

ascii format, but hex format occupies 6 bytes. Each option will be filled to packets

according to the configured order of the commands and divide them with delimiter

(delimiter is ip dhcp relay information option delimiter configuration).

 Example: Set self-defined method and character string of remote-id suboption are

hostname and abc respectively for option82.

 Switch(config)#ip dhcp relay information option self-defined remote-id hostname string

abc

Remote option

2 6

MAC

1 byte 1 byte

6 byte

type

Length

Remote option

2 4

1 byte 1 byte

4 byte

type

Length