Network Load Control
UM Basic Configuration L3P
Release
7.1
12/2011
8.1
Direct Packet Distribution
149
8.1.2 Multi-Address Capability
The device learns all the source addresses for a port. Only packets with
unknown destination addresses
these destination addresses or
a multi/broadcast destination address
in the destination address field are sent to this port. The device enters
learned source addresses in its filter table (see on page 150 “Entering Static
Addresses”).
The device can learn up to 8,000 addresses. This is necessary if more than
one terminal device is connected to one or more ports. It is thus possible to
connect several independent subnetworks to the device.
8.1.3 Aging of Learned Addresses
The device monitors the age of the learned addresses. Address entries
which exceed a particular age - the aging time - are deleted by the device
from its address table.
Data packets with an unknown destination address are flooded by the
device.
Data packets with known destination addresses are selectively transmitted
by the device.
Note: A reboot deletes the learned address entries.
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