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26 C
HAPTER
2: I
NSTALLING
THE
S
WITCH
Stacking Units
Units in the Switch 1100/3300 family can be stacked together and then
treated as a single manageable unit with one IP address.
The Matrix Ports on the rear of the Switch allow you to connect a total of
four units in the Switch 1100/3300 family together using Matrix Cables.
You need only one SuperStack 3 Switch 3300 MM per stack.
The Switches in a stack are numbered 1 to 4, from the bottom up, for
management purposes. The SuperStack 3 Switch 3300 MM will always
be identified as Unit 1 and should therefore be positioned at the bottom
of the stack.
Stacking Two Units
You can stack a Switch 3300 MM to any Switch from the 1100/3300
family with a single Matrix Cable. To do this:
1
Power-off both units.
2
Arrange the units so the Switch 3300 MM is at the bottom of the stack.
They can be rack-mounted or free-standing; if you choose to have them
free-standing, remember to position the rubber feet as detailed in
“Placing Units On Top of Each Other”
on page 25. When positioning the
units, note that Matrix Cables are 1m (3.28ft) long.
3
Connect one end of the Matrix Cable to the Matrix Port of the top
Switch, and the other end to the Matrix Port marked Unit 2 on the
Switch 3300 MM (See Figure 8
).
4
If you use the management software of the units:
■
Ensure that both units have the same version of management
software
■
Ensure that you re-configure the stack-wide features on both units
For more information about management software, see “Managing the
Switch” on page 32.
16985ua.bk Page 26 Thursday, September 7, 2000 9:15 AM