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S
TACK
O
PERATIONS
2-5
Stack Operations
Up to eight 24-port or 48-port Gigabit switches can be stacked together as
described in the
Installation Guide
. One unit in the stack acts as the Master
for configuration tasks and firmware upgrade. All of the other units
function in Slave mode, but can automatically take over management of
the stack if the Master unit fails.
To configure any unit in the stack, first verify the unit number from the
front panel of the switch, and then select the appropriate unit number
from the web or console management interface.
Selecting the Stack Master
Note the following points about unit numbering:
•
When the stack is initially powered on, the Master unit is designated as
unit 1 for a ring topology. For a line topology, the stack is simply
numbered from top to bottom, with the first unit (i.e., the unit with no
connection on the Up port) in the stack designated as unit 1. This unit
identification number appears on the Stack Unit ID LED on the front
panel of the switch. It can also be selected on the front panel graphic
of the web interface, or from the CLI.
•
If more than one stack Master is selected using the Master/Slave push
button on the switch’s front panel, the system will select the unit with
the lowest MAC address as the Master.
•
If the Master unit fails and another unit takes over control of the stack,
the unit numbering will not change.
•
If a unit in the stack fails or is removed from the stack, the unit
numbers will not change. This means that when you replace a unit in
the stack, the original configuration for the failed unit will be restored
to the replacement unit.
•
If a unit is removed from the stack and later reattached to the stack, it
will retain the original unit number obtained during stacking.
Summary of Contents for 8700S-130
Page 2: ......
Page 3: ......
Page 8: ...LIMITED WARRANTY iv ...
Page 56: ...INITIAL CONFIGURATION 2 18 ...
Page 189: ...PORT CONFIGURATION 3 133 Figure 3 61 Port Statistics continued ...
Page 566: ...COMMAND LINE INTERFACE 4 294 ...
Page 571: ...SOFTWARE SPECIFICATIONS A 5 Trap RFC 1215 UDP MIB RFC 2012 ...
Page 572: ...SOFTWARE SPECIFICATIONS A 6 ...
Page 576: ...TROUBLESHOOTING B 4 ...
Page 589: ......
Page 591: ...38 Tesla Irvine CA 92618 Phone 949 679 8000 ...
Page 592: ... 8 ...