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Bridge Forwarding Table
Information in this Display:
Status Displays
The Bridge Forwarding Table is used to match MAC addresses with Bridge ports on
which to forward frames. If an address is not found in the table, the frame will be for-
warded out all Bridge ports except those configured for native LLC-2.
All MAC addresses are in non-canonical (Token Ring) format.
As a frame is received, its source and destination MAC addresses will be added (if not
already there) to the table. The FRM software contains a set of reserved MAC
addresses that are considered "static," and will always be in the table. The remaining
entries are considered "dynamic," and will remain in the table for the time period con-
figured as the
Bridge Aging Timer
Press
at the Bridge Status Displays Menu to display a forwarding table for all MAC
[B]
addresses received on Bridge ports in the node.
Bridge Forwarding Table Disp lay
MAC A ddress
BrPort
C 00000000002
10
C 000000000F0
unk nown
PgUp
PgD n
F2:Refresh Table
Figure 19-12 Bridge Forwarding Table Display
Pressing
[F2]
Pressing
[F4]
then be added as frames containing MAC addresses are received on Bridge
ports that are in
– source or destination address received in a frame.
MAC Address
– the Bridge port used for forwarding traffic to the associated
BrPort
address
.
Flags
:
– The entry is fixed in the software.
Static
– The entry was added when the address was received.
Dynamic
in Bridge Node Defaults.
Flags
Static, D on't Fwd
Discovery Pending
F3:Exit
F4:Flus h Table
[C],[F],[D],[B]
will update the display. (It is not updated automatically.)
will allow you to delete all dynamic entries. New entries will
or
Learning
Forwarding
Nod e Name=n ode_xyz
from Main Menu
state.
MAC
19-23
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