Manage Device Security
340
M4100 Series Managed Switch
Configure Dynamic ARC Inspection
 To configure dynamic ARC inspection:
1. Prepare your computer with a static IP address in the 169.254.100.0 subnet, for
example, 169.254.100.201.
2. Connect an Ethernet cable from an Ethernet port on your computer to an Ethernet port on
the switch.
3. Launch a web browser
.
4. Enter the IP address of the switch in the web browser address field.
The default IP address of the switch is 169.254.100.100.
The Login screen displays.
5. Enter the user name and password.
The default admin user name is admin and the default admin password is blank, that is,
do not enter a password.
6. Click the Login button.
The web management interface menu displays.
7. Select Security
 Control > Dynamic ARP Inspection  DAI VLAN Configuration.
8. Use the VLAN ID check boxes to select the DAI-capable VLANs.
9. Use Dynamic ARP
Inspection to indicate whether the dynamic ARP inspection is enabled
on this VLAN.
If set to Enable, dynamic ARP inspection is enabled.
10. Use Logging Invalid Packets to indicate whether the dynamic
ARP inspection logging is
enabled on this VLAN.
If set to Enable, invalid ARP packets information is logged.
11. Use ARP ACL
Name to specify a name for the ARP access list.
A VLAN can be configured to use this ARP ACL containing rules as the filter for ARP
packet validation.
The name can contain up to 31 alphanumeric characters.
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