User Manual

Manage Device Security
337
M4100 Series Managed Switch
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 > IP Source Guard  Interface Configuration.
8. Select an Interface to enable IPSG.
9. In the IPSG Mode menu, select Enable or Disable.
This enables or disables validation of the sender IP address on this interface. If IPSG is
enabled, packets are not forwarded if the sender IP address is not in the DHCP snooping
binding database.
The factory default is Disable.
10. Use IPSG Port Security to enable or disables the IPSG port security on the selected
interface.
If IPSG port security is enabled then the packets are not forwarded if the sender MAC
address is not in the FDB table and it is not in DHCP snooping binding database. To
enforce filtering based on MAC address, other required configurations are as follows:
• Enable port-security globally
.
• Enable port-security on the interface level.
IPSG port security can't be enabled if IPSG is Disabled. The factory default is disabled.
Configure IP Source Guard Binding
 To configure IP source guard binding:
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
.