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C
ONFIGURING
THE
S
WITCH
3-20
CLI – Specify the management interface, and set the IP address mode to
DHCP or BOOTP, and then enter the “ip dhcp restart” command.
Renewing DCHP – DHCP may lease addresses to clients indefinitely or
for a specific period of time. If the address expires or the switch is moved
to another network segment, you will lose management access to the
switch. In this case, you can reboot the switch or submit a client request to
restart DHCP service via the CLI.
Web – If the address assigned by DHCP is no longer functioning, you will
not be able to renew the IP settings via the web interface. You can only
restart DHCP service via the web interface if the current address is still
available.
CLI – Enter the following command to restart DHCP service.
Console#config
Console(config)#interface vlan 1 4-144
Console(config-if)#ip address dhcp 4-249
Console(config-if)#end
Console#ip dhcp restart 4-251
Console#show ip interface 4-252
IP address and netmask: 192.168.1.54 255.255.255.0 on VLAN 1,
and address mode: dhcp.
Console#
Console#ip dhcp restart 4-251
Console#