Chapter 6 Tutorials
GS2210 Series User’s Guide
48
Figure 33
Tutorial: Check the Binding If DHCP Snooping Works
You can also telnet or log into the Switch’s console. Use the command “
show dhcp snooping
binding
” to see the DHCP snooping binding table as shown next.
6.3 How to Use DHCP 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 34
Tutorial: DHCP Relay Scenario
6.3.2 Creating 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.
sysname# show dhcp snooping binding
MacAddress IpAddress Lease Type VLAN Port
----------------- --------------- ------------ ------------- ---- -----
00:02:00:00:00:1c 10.10.1.16 6d23h59m20s dhcp-snooping 100 7
Total number of bindings: 1
VLAN 102
DHCP Server
Port 2
PVID=102
172.16.1.18
A
192.168.2.3
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