QTECH QSW-2800 Инструкция по настройке - Manual (Page 206)

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192
no max-lease-time the default setting.
Global Mode
ip dhcp excluded-address <low-address>
[<high-address>]
no ip dhcp excluded-address <low-
address> [<high-address>]
Exclude the addresses in the address pool that
are not for dynamic allocation.
(3) Configure manual DHCP address pool parameters
Command Explanation
DHCP Address Pool Mode
hardware-address <hardware-address>
[{Ethernet | IEEE802|<type-number>}]
no hardware-address
Specify/delete the hardware address when
assigning address manually.
host <address> [<mask> | <prefix-length> ]
no host
Specify/delete the IP address to be assigned
to the specified client when binding address
manually.
client-identifier <unique-identifier>
no client-identifier
Specify/delete the unique ID of the user
when binding address manually.
3. Enable logging for address conflicts
Command Explanation
Global Mode
ip dhcp conflict logging
no ip dhcp conflict logging
Enable/disable logging for DHCP address to
detect address conflicts.
Admin Mode
clear ip dhcp conflict <address | all >
Delete a single address conflict record or all
conflict records.
27.3 DHCP Relay Configuration
When the DHCP client and server are in different segments, DHCP relay is required to transfer
DHCP packets. Adding a DHCP relay makes it unnecessary to configure a DHCP server for
each segment, one DHCP server can provide the network configuration parameter for clients
from multiple segments, which is not only cost-effective but also management-effective.