Enterasys IRM2, Руководство пользователя

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Using Source Addressing 4-5
Source Address Functions
Figure 4-3. Port Source Addresses Window
The source address list window displays the MAC addresses of all devices that
have transmitted packets through the selected port within a time period less than
the SAT’s defined ageing time (addresses that have not transmitted a packet
during one complete cycle of the ageing timer are purged). The Ageing Time is
user-configurable; see
Setting the Device Ageing Time , page 4-5 .
Setting the Device Ageing Time
The source address list Ageing Time determines the minimum amount of time an
inactive source address will remain in the Source Address Table before it is
purged. The source address timer runs continuously beginning at the time the
device is turned on (or the repeater channel is activated); source addresses that
are added to the SAT during one timer cycle will remain in the table for the rest of
the current cycle, and at least through the next complete cycle. If no packets have
been received from that address during one complete cycle, the address will be
purged from the table.
The Ageing Time is user-configurable, and can be set using the Device Ageing
Time window.
To set the Ageing Time:
1. Click the I-bar cursor ( ) next to the Device Ageing Time field. The Device
Ageing Time window,
Figure 4-4 , will appear.
NOTE
You can create a text file which will add names to correspond to the source addresses that
appear in the Source Addresses window. For more information on how this naming
feature works, refer to the NetSight Element Manager User’s Guide.