Extreme Networks Virtual Chassis Manual de usuario Pagina 17

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S
UMMIT
V
IRTUAL
C
HASSIS
D
ESIGN
AND
I
NSTALLATION
G
UIDE
15
S
UPPORTED
C
ONFIGURATIONS
*Can result in a lack of connectivity if a single failure occurs in the stack. Refer to the section, “Configurations
to Avoid,” for more information.
You must configure the Summit ports that will be used to connect to the Summit
Virtual Chassis. For information on configuring Summit ports, refer to the
Summit
Switch Installation and User Guide
.
C
ONFIGURATIONS
TO
A
VOID
Some Virtual Chassis configurations may appear to work, but are not supported
because their redundancy capabilities are quite limited. The following section has an
example of this situation.
A
DDING
A
S
UMMIT
3 S
WITCH
TO
A
P
ARALLEL
V
IRTUAL
C
HASSIS
S
TACK
The Summit3 switch has one active Gigabit Ethernet port. Therefore, it can have one
active connection to a Summit Virtual Chassis. Figure 12 shows how you would add a
Summit3 to the example used in the parallel Virtual Chassis example using Summit2
switches, shown previously in Figure 8.
Table 2:
Summit Switch Support for Virtual Chassis Stacks
Single Virtual
Chassis Stack
Parallel Virtual
Chassis Stack (2)
Parallel Virtual Chassis
Stack (4)
Summit1
Any of ports 1 - 8 Ports 2 and 3, or
Ports 4 and 5, or
Ports 6 and 7
Ports 4, 5, 6, and 7
Summit2
Port 17 or Port 18 Ports 17 and 18 Not supported*
Summit3
Port 25 Not supported* Not supported*
Summit4
Any of ports 17 - 22 Ports 17 and 18, or
Ports 19 and 20, or
Ports 21 and 22
Ports 19, 20, 21, and 22
Summit48
Port 49 or Port 50 Ports 49 and 50 Not supported*
virtchas.book Page 15 Friday, May 29, 1998 10:08 AM
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