Parameters
These parameters are displayed:
◆
Trust Status – Enables or disables a port as trusted. (Default: Disabled)
◆
Max Number – The maximum number of DHCP clients which can be
supported per interface. (Range: 1-32; Default: 16)
◆
Circuit ID – Specifies DHCP Option 82 circuit ID suboption information.
Mode – Specifies the default string "VLAN-Unit-Port" or an arbitrary string.
■
(Default: VLAN-Unit-Port)
Value – An arbitrary string inserted into the circuit identifier field.
■
(Range: 1-32 characters)
Web Interface
To configure global settings for DHCP Snooping:
1.
Click Security, DHCP Snooping.
2.
Select Configure Interface from the Step list.
3.
Display the list of ports or trunks.
4.
Configure the trust status, maximum number of supported clients, and the
circuit identifier.
5.
Click Apply
Figure 193: Configuring the Port Mode for DHCP Snooping
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Chapter 12
| Security Measures
DHCP Snooping