4 Web-based Switch Configuration D-Link Smart Managed Switch User Manual
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Security > Trusted Host
Use Trusted Host function allow user to specify up to 10 designated management host entries. The entries
support CIDR (Classless Inter-Domain Routing) address format which offers user more flexible way to
configure.
Figure 4.109 Security > Trusted Host
Trusted Host: Specifies the Trusted Host to be enabled or disabled. The default is disabled.
To define a management station IP setting, click the Add button and type in the IP address and Subnet mask.
Click the Apply button to save settings. CIRD address format is supported as the example shown in the
following table:
IP Address Subnet Mask Permitted IP
192.168.0.1 255.255.255.0 192.168.0.1~192.168.0.255
172.17.5.215 255.0.0.0 172.0.0.1~172.255.255.255
To delete the IP address simply click the Delete button, check the unwanted address, and then click Apply.
Security > Port Security
Port Security is a security feature that prevents unauthorized computers (with source MAC addresses)
unknown to the Switch prior to stopping auto-learning processing from gaining access to the network.
A given ports’ (or a range of ports') dynamic MAC address learning can be stopped such that the current
source MAC addresses entered into the MAC address forwarding table can not be changed once the port
lock is enabled. Using the drop-down menu, change Admin State to Enabled, input Max Learning Address,
and then click Apply.
Figure 4.110 – Security > Port Security
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