Setting Mac Address Aging Time; Burning Mac Addresses; Configuring Mac Address Permanent - Zte ZXR10 5900 Series User Manual

All gigabit-port intelligent routing switch
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ZXR10 5900/5200 Series User Manual (Ethernet Switching Volume)
Command
mac aging-time <time>
ZXR10(config)#
Command
mac to-static {enable|disable|interface
ZXR10(config)#
<port-name>{enable|disable}}
34
Confidential and Proprietary Information of ZTE CORPORATION
The configuration of MAC address table includes the following con-
tents.

Setting MAC Address Aging Time

MAC address aging time influences the switch's performance.
A shorter aging time may make the switch delete useful MAC ad-
dress table entries. As a result, it broadcasts many packets it
loses track to their destination MAC addresses, which consumes
the bandwidth.
A longer aging time may lead to too many useless entries in the
MAC address table, which use up the MAC address table resources.
New MAC addresses cannot be added to the MAC address table,
so forwarding performance also reduces.
To set MAC Address Aging Time, use the following command.
The address aging time on ZXR10 5900/5200 by default is up to
360s, configurable range is from 60s to 630s.

Burning MAC Addresses

Learned MAC addresses can be burn in the switch after a period of
stable running if there is not any change in the connecting ports
between switch and device (or in the mapping relationship be-
tween device MAC address and port number. in the MAC address
table).
MAC address burning is to convert all dynamic MAC addresses in
the MAC address table to static MAC addresses that will not age.
After address burning, data frames from these MAC addresses are
not learned when they are received on other ports.
To burn MAC Address, use the following command.

Configuring MAC Address Permanent

This is a security policy for MAC virus flood. When network runs for
a while, if it is stable user and the location of devices that each port
Function
This sets MAC Address Aging
Time.
Function
Burnt MAC addresses are not
stored permanently but are lost
after power-off.

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