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4 Configuration
Learn received Gratuitous ARP: This is used to enable/disable updating ARP cache based on the received
gratuitous ARP packet. If a switch receives a gratuitous ARP packet and the sender's IP address in its ARP
table, it should update the ARP entry. This is Disabled by default.
Gratuitous ARP Send Interval: Specify the interval value.
Interface Name: Specify the Interface Name.
Time Interval (0-65535): Specify the time interval, the range is from 0 to 65535, and the default is 0 seconds.
Click Apply to make configurations make effects.
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 cannot be changed once the port is
enabled.
The Port Security page contains the following fields:
From Port/To Port: A consecutive group of ports may be configured starting with the selected port.
Admin State: This pull-down menu allows users to enable or disable Port Security (locked MAC address
table for the selected ports).
Max. Learning Address (0-64): The number of MAC addresses that will be in the MAC address-forwarding
table for the selected switch and group of ports.
Lock Address Mode: This pull-down menu allows you to select how the MAC address table locking will be
implemented on the Switch, for the selected group of ports. The options are:
Delete On Reset – The locked addresses will not age out until the Switch has been reset.
Delete On Timeout – The locked addresses will age out after the aging timer expires.
Permanent – The locked addresses will not age out after the aging timer expires.
Click Apply to make configurations make effects.
Security > SSL Settings
Secure Sockets Layer (SSL) is a security feature that provides a secure communication path between a Web
Management host and the Switch Web UI by using authentication, digital signatures and encryption. These
security functions are implemented by Ciphersuite, a security string that determines the cryptographic
parameters, encryption algorithms and key sizes.
DES-1210/ME Series Metro Ethernet Managed Switch User Manual
Figure 4.129 - Security > Port Security
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