D-Link DGS-1210-28XS/ME [149/519] Config dhcp_relay vlan

D-Link DGS-1210-28X/ME [149/519] Config dhcp_relay vlan
DGS-1210/ME Metro Ethernet Switch CLI Reference Guide
131
config dhcp_relay vlan
Purpose To configure a VLAN of DHCP Relay to be enabled or disabled of
the Switch.
Syntax
config dhcp_relay vlan [<vlan_name 32> | vlanid <vidlist>] state
[enable | disable]
Description
The config dhcp_relay vlan command configures a VLAN of DHCP
Relay to be enabled or disable of the Switch.
Parameters
<vlan_name 32> Specifies the VLAN name to be configured.
vlanid <vidlist> - Specifies the id of VLAN to be configured.
[enable | disable]
Specifies the VLAN of DHCP Relay to be
enabled or disabled.
Restrictions Only Administrator, operator or power user-level users can issue this
command.
Example usage:
To specify the VLAN ID 2 of DHCP relay to be enabled:
DGS-1210-28MP/ME:5# config dhcp_relay vlan vlanid 2 state enable
Command: config dhcp_relay vlan vlanid 2 state enable
Success.
DGS-1210-28MP/ME:5#
config dhcp_relay option_82
Purpose To
configure the check, policy and state of DHCP relay agent
information option 82 of the Switch.
Syntax
config dhcp_relay
option_82 [check [enable | disable] |
circuit_id [default | user_define <desc 32> | user_define_hex
<string 246>] | policy [drop | keep | replace] | remote_id [default
| user_define <desc 32> | user_define_hex <string 246>] | state
[enable | disable]]
Description
The config dhcp_relay option_82 is used to configure the check,
policy and state of DHCP relay
agent information option 82 of the
Switch
Parameters
check: used to configure the check of DHCP relay agent information
option 82 of the Switch.
enable
When the field is toggled to enable, the relay agent will
check the validity of the packet’s option
82 field. If the switch
receives a packet that contains the option 82 field from a DHCP
client, the switch drops the packet because it is invalid. In packets
received from DHCP servers, the relay agent will drop invalid
messages.
disable When the field is toggled to disable, the relay agent will not
check the validity of the packet’s option 82 field.
policy: used to configure the re-
forwarding policy of DHCP relay
agent information option 82 of the Switch.
replace The option 82 field will be replaced if the option 82 field

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