Lantronix SISPM1040-xxxx-L3 Web User Guide
33856 Rev. A https://www.lantronix.com/ 155
MAC Address Table
Switching of frames is based on the DMAC address contained in the frame. The switch builds a table that maps
MAC addresses to switch ports for knowing which ports the frames should go to (based on the DMAC address in
the frame). This table contains both static and dynamic entries. The static entries are configured by the network
administrator if the administrator wants to do a fixed mapping between the DMAC address and switch ports.
The frames also contain a MAC address (SMAC address) which shows the MAC address of the equipment
sending the frame. The SMAC address is used by the switch to automatically update the MAC table with these
dynamic MAC addresses. Dynamic entries are removed from the MAC table if no frame with the corresponding
SMAC address has been seen after a configurable Ageing Time.
MAC Address Table Configuration
The MAC Address Table is configured on this page. Set timeouts for entries in the dynamic MAC Table and
configure the static MAC table here.
Aging Configuration: By default, dynamic entries are removed from the MAC table after 300 seconds. This
removal is also called “aging”.
Disable Automatic Aging: Check the checkbox to disable the automatic aging of dynamic entries.
Aging Time: Configure aging time by entering a value in seconds. The allowed range is 10 - 1000000 seconds.
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