424 Dell PowerConnect 55xx Systems User Guide
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell
Contax\CxUGSwitching_AddressTables.fm
DELL CONFIDENTIAL – PRELIMINARY 9/11/12 - FOR PROOF ONLY
Overview
MAC addresses, associated with ports, are stored in the Static Address or the
Dynamic Address tables. Packets, addressed to a destination stored in one of
these tables, are forwarded to the associated port.
MAC addresses are dynamically learned when packets arrive at the device.
Addresses are associated with ports by learning the source address of the
frame. Frames, addressed to a destination MAC address that is not associated
with any port, are flooded to all ports of the relevant VLAN. In order to
prevent the bridging table from overflowing, dynamic MAC addresses, from
which no traffic is seen for a certain period, are erased.
Static addresses are manually entered into the table.
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