Chapter 6 Tutorials
GS1920v2 Series User’s Guide
77
You can also use telnet. Use the command “show dhcp snooping binding” to see the DHCP
snooping binding table as shown next.
6.3 How to Use DHCPv4 Relay on the Switch
This tutorial describes how to configure your Switch to forward DHCP client requests to a specific DHCP
server. The DHCP server can then assign a specific IP address based on the information in the DHCP
requests.
6.3.1 DHCP Relay Tutorial Introduction
In this example, you have configured your DHCP server (192.168.2.3) and want to have it assign a
specific IP address (say 172.16.1.18) to DHCP client A based on the system name, VLAN ID and port
number in the DHCP request. Client A connects to the Switch’s port 2 in VLAN 102.
Figure 51 Tutorial: DHCP Relay Scenario
6.3.2 Create a VLAN
Follow the steps below to configure port 2 as a member of VLAN 102.
1 Access the Web Configurator through the Switch’s management port.
2 Go to SYSTEM > Switch Setup and set the VLAN Type to 802.1Q. Click Apply to save the settings to the
run-time memory.
sysname# show dhcp snooping binding
MacAddress IpAddress Lease Type VLAN Port
----------------- --------------- ------------ ------------- ---- -----
88:88:88:88:88:8b 192.168.2.178 0d23h59m20s dhcp-snooping 100 5
Total number of bindings: 1
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