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S2989G-24TX Operation Manual

Chapter 3 IP services Configuration

3-44

interface IP address is 10.16.1.2/24, therefore the IP address assigned to the client will

belong to 10.16.1.0/24.

If the DHCP/BOOTP client wants to have an address in 10.16.2.0/24, the gateway

forwarding broadcast packets of the client must belong to 10.16.2.0/24. The connectivity

between the client gateway and the switch must be ensured for the client to get an IP

address from the 10.16.2.0/24 address pool.

Scenario 2:

DHCP Client

Figure 3-11 DHCP Relay Configuration

As shown in the above figure, route switch is configured as a DHCP relay. The DHCP

server address is 10.1.1.10, the configuration steps is as follows:

Switch(config)#service dhcp

Switch(config)#interface vlan 1

Switch(Config-if-Vlan1)#ip address 192.168.1.1 255.255.255.0

Switch(Config-if-Vlan1)#exit

Switch(config)#vlan 2

Switch(Config-Vlan-2)#exit

Switch(config)#interface Ethernet 1/0/2

Switch(Config-Erthernet1/0/2)#switchport access vlan 2

Switch(Config-Erthernet1/0/2)#exit

Switch(config)#interface vlan 2

Switch(Config-if-Vlan2)#ip address 10.1.1.1 255.255.255.0

Switch(Config-if-Vlan2)#exit

Switch(config)#ip forward-protocol udp bootps

Switch(config)#interface vlan 1

E1/0/1

192.168.1.1

E1/0/2

10.1.1.1

DHCPRelay

DHCP Server

10.1.1.10