Dell PowerConnect J-EX4200-24T Software Manual page 2656

Dell PowerConnect J-Series Ethernet Switch Complete Software Guide for Junos OS
Table 324: Components of the Port Security Topology
Properties
Switch hardware
VLAN name and ID
Interfaces in
employee-vlan
Interface for DHCP server
Configuration
CLI Quick
Configuration
2584
Figure 70: Network Topology for Basic Port Security
The components of the topology for this example are shown in Table 324 on page 2584.
In this example, the switch has already been configured as follows:
Secure port access is activated on the switch.
No MAC limit is set on any of the interfaces.
DHCP snooping is disabled on the VLAN
All access interfaces are untrusted, which is the default setting.
To configure the MAC limiting port security feature to protect the switch against DHCP
starvation attacks:
To quickly configure MAC limiting, copy the following commands and paste them into
the switch terminal window:
Settings
One J-EX4200-24T, 24 ports (8 PoE ports)
default
, ,
ge-0/0/1 ge-0/0/2 ge-0/0/3
ge-0/0/8
employee-vlan
,
ge-0/0/8
.