Confidential and proprietary information of Extreme Networks. © 2011 Extreme Networks, Inc.
All rights reserved. DRAFT. October 20, 2011
Building a SummitStack Configuration
Summit Family Switches Hardware Installation Guide
170
Figure 117 shows a stack that combines Summit X670 series switches with Summit X650 and X460 series
switches in a stack of five switches.
The Summit X670 series switches in slots 1 and 2 are connected through their alternate stacking ports
using fiber optic cables. The alternate stacking port on the switch in slot 2 is connected to the Summit
X650 series switch in 3 through the alternate stacking port on an installed VIM1-10G8X module.
The switches in slots 3, 4, and 5 are connected through their native stacking ports. On the Summit X650
series switch, the native stacking port is on the installed VIM1-10G8X module. On the Summit X460
series switches in slots 4 and 5, the native stacking ports are on installed SummitStack modules. From
slot 5, alternate stack port 2 on the Summit X460 series switch is connected to alternate stack port 1 on
the Summit X670 series switch in slot 1.
Figure 117: Using the SummitStack-V Feature with Summit X670 Series Switches
Table 61 lists the recommended port connection sequence for this example.
Table 61: Stacking Connections Using Native and Alternate Stacking Ports (7-Switch Stack)
Connect this slot and port . . . . . . To this slot and port
Slot 1 Alternate Stack Port 2 Slot 2 Alternate Stack Port 1
Slot 2 Alternate Stack Port 2 Slot 3 Alternate Stack Port 1
Slot 3 Native Stack Port 2 Slot 4 Native Stack Port 1
Slot 4 Native Stack Port 2 Slot 5 Native Stack Port 1
Slot 5 Alternate Stack Port 2 Slot 1 Alternate Stack Port 1
Slot 1: Summit X670 series switch
Slot 5: Summit X460 series switch
Slot 3: Summit X650 series switch
Slot 2: Summit X670 series switch
Slot 4: Summit X460 series switch
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