239
Recommended configuration procedure
Task Remarks
Required.
By default, DHCP snooping is disabled.
Configuring DHCP snooping
functions on an interface
Required.
Specify an interface as trusted and configure DHCP snooping to support
Option 82.
By default, an interface is untrusted and DHCP snooping does not
support Option 82.
IMPORTANT:
You need to specify the ports connected to the authorized DHCP servers
as trusted to make sure DHCP clients can obtain valid IP addresses. The
trusted port and the port connected to the DHCP client must be in the
same VLAN.
Displaying clients' IP-to-MAC
bindings
Optional.
Display clients' IP-to-MAC bindings recorded by DHCP snooping.
Enabling DHCP snooping
1.
From the navigation tree, select
Network
>
DHCP
.
2.
Click the
DHCP Snooping
tab to enter the page shown in
3.
Select the
Enable
option next to
DHCP Snooping
to enable DHCP Snooping.
Figure 246 DHCP snooping configuration page
Summary of Contents for FlexNetwork NJ5000
Page 12: ...x Index 440 ...
Page 39: ...27 Figure 16 Configuration complete ...
Page 67: ...55 Figure 47 Displaying the speed settings of ports ...
Page 78: ...66 Figure 59 Loopback test result ...
Page 158: ...146 Figure 156 Creating a static MAC address entry ...
Page 183: ...171 Figure 171 Configuring MSTP globally on Switch D ...
Page 243: ...231 Figure 237 IPv6 active route table ...