272
Configuring DHCP snooping
A DHCP snooping enabled device does not work if it is between the DHCP relay agent and DHCP server,
and it can work when it is between the DHCP client and relay agent or between the DHCP client and
server.
Recommended configuration procedure
Task Remarks
Enabling DHCP snooping
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.
Select
Network
>
DHCP
from the navigation tree.
2.
Click the
DHCP Snooping
tab to enter the page shown in
Figure 255
.
You can click
Enable
or Disable to the right of
DHCP Snooping
to enable or disable DHCP
Snooping.
Summary of Contents for HP 830 Series
Page 37: ...25 Figure 18 Configuration complete ...
Page 70: ...58 Figure 49 Displaying the rate settings of ports ...
Page 78: ...66 Figure 56 Configuring the monitor port ...
Page 82: ...70 Figure 59 Switching to the management level ...
Page 87: ...75 Figure 64 Displaying port traffic statistics ...
Page 167: ...155 Figure 154 Displaying the current voice VLAN information ...
Page 304: ...292 Figure 280 Traceroute operation result ...
Page 321: ...309 Request timed out Ping statistics for 10 0 0 1 Packets Sent 4 Received 0 Lost 4 100 loss ...
Page 343: ...331 Figure 330 Ping operation summary ...