DES-1228/ME Layer 2 Metro Ethernet Switch CLI Reference Manual
148
config dhcp_relay option_82 remote id
Purpose
Used to configure the processing of DHCP 82 remote id option for the DHCP.
Syntax
config dhcp_relay option_82 remote_id [default | user_define <string 32>]
Description
Configures the processing of DHCP 82 option for the DHCP relay function.
When DHCP 82 option is enabled, the DHCP packet received from the client will be
inserted with option 82 field before being relayed to the server. The DHCP 82 option
contained 2 suboptions which is circuit ID suboption and remote ID suboption.
The formats for the circuit ID suboption and the remote ID suboption are as following. For
the circuit ID suboption of a standalone switch, the module field is always zero.
Remote ID suboption format 2 (Using user-defined string as remote ID):
1. 2. 3. 4. 5.
2
n + 2
1
n
User-defined string
1 byte 1 byte 1 byte 1 byte 6 bytes
1. Suboption type 2. Length : the string length of Remote ID suboption
3. Remote ID type 4. Length : the string length of user-defined string
5. User-defined string
Parameters
None.
Restrictions
Only Administrator-level users can issue this command.
Example usage:
To configure DHCP relay option 82 remote id :
DES-1228/ME:4#config dhcp_relay option_82 remote_id user_define “D-Link L2 Switch”
Command: config dhcp_relay option_82 remote_id user_define "D-Link L2 Switch”
DES-1228/ME:4#