User Manual

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Users Manual of XGS-6350-24X4C
As described above, the lease time is a concept appearing in the procedure of DHCP dynamic distribution.
 Lease time
an effective period of an IP address since its distribution. When the effective period is over, the IP address is
to be recycled by the DHCP server. To continuously use the IP address, the DHCP client requires re-applying
the IP address.
43.3.2 Configuring DHCP Client
43.3.2.1 DHCP Client Configuration Tasks
 Obtaining an IP address
 Specifying an address for DHCP server
 Configuring DHCP parameters
 Monitoring DHCP
43.3.2.2 DHCP Client Configuration Tasks
1. Obtaining an IP address
Run the following command on the VLAN interface to obtain an IP address through the DHCP protocol for an
interface.
Run... To...
ip address dhcp
Specify the DHCP protocol to
configure the IP address of the
Ethernet interface.
2. Specifying an address for DHCP server
If the addresses of some DHCP servers are known, you can specify the addresses for these DHCP servers
on the switch to reduce protocol interaction time. Run the following command in global configuration mode:
Run... To...
ip dhcp-server ip-address
Specify the IP address of the DHCP
server.
The command is optional when you perform operations to obtain an IP address.
3. Configuring DHCP parameters
You can adjust the parameters for the DHCP protocol interaction according to requirements. Run the following
commands in global configuration mode:
Run... To...
ip dhcp client minlease seconds
Specify the minimum lease time.
ip dhcp client retransmit count
Specify the times of resending
protocol message.