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Command Manual - Network Protocol
Quidway S3500 Series Ethernet Switches
Chapter 6 DHCP Configuration Commands
Huawei Technologies Proprietary
6-31
Example
# Inhibit unknown machines from passing through the DHCP security check on a VLAN
interface.
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway] interface vlan-interface 1
[Quidway-Vlan-interface1] dhcp relay security address-check enable
[Quidway-Vlan-interface1] address-check no-matched enable
6.3.3 debugging dhcp relay
Syntax
debugging dhcp relay
{
error
|
event
|
packet
[
client
mac
mac-address
] }
undo debugging dhcp relay
{
error
|
event
|
packet
[
client
mac
mac-address
] }
View
User view
Parameter
error
: Debugging on DHCP relay errors such as unknown messages.
event
: DHCP relay event debugging.
packet
: Debugging on transmitted and received packets by the DHCP relay.
client
mac
mac-address
: MAC address of DHCP client.
Description
Using the
debugging dhcp relay
command, you can enable DHCP relay debugging.
Using the
undo debugging dhcp relay
command, you can disable DHCP relay
debugging.
By default, DHCP relay debugging is disabled.
Example
# Enable DHCP relay event debugging.
<Quidway> debugging dhcp relay event
6.3.4 dhcp relay release
Syntax
dhcp relay release
client-ip mac-address
[
server-ip
]