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Setting Up a Stacked Configuration Managing OmniSwitch 6600 Series Stacks
page 3-12 OmniSwitch 6600 Series Hardware Users Guide April 2004
2 Next, attach the other end of the cable to a HSSDC connector on the switch immediately below. Repeat
this procedure until all switches in the stack are connected (see illustrations a, b, and c below).
Connecting the Switches in the Stack
Note. There are no restrictions on which HSSDC stacking ports must be connected. For example, a stack-
ing cable connected to port 51 on an OS6648 may be connected to either port 51 or port 52 on the OS6648
immediately below. However, for easier management, it is recommended that you keep a consistent
pattern for all switches in the stack.
3 To provide added resiliency and redundancy, it is strongly recommended that you install the optional
one-meter stacking cable to connect the top switch in the stack to the bottom switch in the stack. Use the
unused HSSDC stacking connectors located at ports 27 and 28 (OS6624 and OS6600-U24) or 51 and 52
(OS6648) of each switch, as shown. For more information on stack redundancy and the one-meter stack-
ing cable, refer to “Redundant Stack Connection” on page 3-13.
Note. The one-meter stacking cable is available with Alcatel’s optional Redundant Stacking Kit.
Recommended Redundant Connection Between Switches
4 Now that all switches in the stack are connected, continue to “Booting the Stack” on page 3-14.
EXPA
N
SIO
N
/ST
A
C
KIN
G
5
1
5
2
EXP
AN
SIO
N
/ST
A
CKING
5
1
5
2
EXP
A
N
SIO
N
/
ST
AC
KIN
G
5
1
5
2
EXP
A
NSIO
N
/ST
AC
KIN
G
5
1
5
2
LINK/ACT
LINK/ACT
LINK/ACT
LINK/ACT
LINK/ACT
LINK/ACT
LIN
K/ACT
LINK/ACT
EXP
A
N
SIO
N
/ST
A
C
KIN
G
5
1
5
2
EXP
AN
S
IO
N
/ST
ACKING
5
1
5
2
EXPA
N
SIO
N
/
ST
AC
KIN
G
5
1
5
2
EX
PA
NS
IO
N
/S
T
A
C
KIN
G
5
1
5
2
LINK/AC
T
LINK/ACT
L
INK/ACT
LINK/ACT
L
INK/ACT
LINK/ACT
LIN
K/ACT
LINK/ACT
EXPAN
SION/STACKING
5
1
5
2
EXPANSIO
N/ST
ACKING
5
1
5
2
EXPAN
SION/ST
ACKING
5
1
5
2
EXPANSIO
N/ST
ACKING
5
1
5
2
LINK/AC
T
L
INK/AC
T
L
INK/AC
T
L
INK
/ACT
L
INK
/ACT
LINK/ACT
LIN
K/A
C
T
LINK
/AC
T
a
b
c
EXPANSION/ST
ACKING
5
1
5
2
EXPANSION/STACKING
5
1
5
2
EXPANSION/STACKING
5
1
5
2
EXPANSION/STACKING
5
1
5
2
LINK/ACT
LINK/ACT
LINK/ACT
LINK/ACT
LINK/ACT
LINK/ACT
LINK/ACT
LINK/ACT