Manage Device Security
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M4300 Series and M4300-96X Fully Managed Switches User Manual
6. Use one of the following methods to select an interface:
• In the Go To Interface field, enter the interface in the unit/slot/port format and click on
the
Go button.
• Next to the Interface column, select the check box for the port that you want to
configure, select multiple check boxes to apply the same setting to all selected
interfaces, or select the check box in the table heading to apply the same settings to
all interfaces.
7. Use Trust Mode to indicate whether the interface is trusted for dynamic ARP inspection
purposes.
If this is set to Enable, the interface is trusted.
ARP packets coming to this interface are
forwarded without checking. If this is set to Disable, the interface is not trusted. ARP
packets coming to this interface are subjected to
ARP inspection. The factory default is
Disable.
8. Use Rate Limit (pps) to specify rate limit value for dynamic ARP inspection purpose.
If the incoming rate of
ARP packets exceeds the value of this for consecutive burst
interval seconds, ARP packets are dropped. If this value is N/A, there is no limit.
The
value can be set to –1, which means N/A. The range is 0– 300. The factory default is 15
pps (packets per second).
9. Use Burst Interval (secs) to specify the burst interval value for rate limiting purposes on this
interface. If the rate limit is None, burst interval has no meaning and is displayed as N/A. The
Rate Limit range is 1 to 15.
The factory default is 1 second.
10. Click the Apply button.
Your settings are saved.
Configure a DAI ACL
You can configure a dynamic ARP inspection (DAI) ACL.
To configure a DAI ACL:
1. Launch a web browser.
2. In the address field of your web browser, enter the IP address of the switch.
The login window opens.
3. 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.
4. Click the Login button.
The System Information page displays.
5. Select Security > Control > Dynamic
ARP Inspection > DAI
ACL Configuration.
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