42
lease DHCP Lease Time
list Print command list
network dhcp network
no remove
quit Exit current mode and down to previous mode
service enable service
DHCP Server
Enable
Switch(config-dhcp)# service dhcp
<cr>
DHCP Server IP
Pool
(Network/Mask
)
Switch(config-dhcp)# network
A.B.C.D/M network/mask ex. 10.10.1.0/24
Switch(config-dhcp)# network 192.168.2.0/24
DHCP Server –
Default
Gateway
Switch(config-dhcp)# default-router
A.B.C.D address
Switch(config-dhcp)# default-router 192.168.2.254
DHCP Server –
lease time
Switch(config-dhcp)# lease
TIME second
Switch(config-dhcp)# lease 1000 (1000 second)
DHCP Server –
Excluded
Address
Switch(config-dhcp)# ip dhcp excluded-address
A.B.C.D IP address
Switch(config-dhcp)# ip dhcp excluded-address
192.168.2.20023
<cr>
DHCP Server –
Static IP and
MAC binding
Switch(config-dhcp)# ip dhcp static
MACADDR MAC address
Switch(config-dhcp)# ip dhcp static 0007.7c00.0001
A.B.C.D leased IP address
Switch(config-dhcp)# ip dhcp static 0007.7c00.0001
192.168.2.99
DHCP Relay –
Enable DHCP
Relay
Switch(config-dhcp)# ip dhcp relay information
option Option82
policy Option82
Switch(config-dhcp)# ip dhcp relay information
option
DHCP Relay –
DHCP policy
Switch(config-dhcp)# ip dhcp relay information
policy
drop Relay Policy
keep Drop/Keep/Replace option82 field
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