Summit X480 Stack Configuration Guidelines
Before deploying a new stack with Summit X480 switches, consider the following
guidelines:
- In a stack that contains Summit X480 switches and other Summit switch
models, a Summit X480 switch might provide more memory and more features than other
Summit switch models, and this affects master node selection, backup node selection,
and failover operation. Before configuring a stack with Summit X480 switches and
other Summit switch models, review Configuring the Master, Backup, and Standby Roles.
- To use the failover feature in the stack, a second Summit X480 is
required, and it must be the backup node.
- Beginning with ExtremeXOS Release 12.5.1, only the master and
master-capable nodes require a license to support special features such as
MPLS.
- If the MPLS feature pack is installed on the master-capable nodes, the
following guidelines apply:
- Each stack switch must meet the software and hardware
requirements listed in the Feature License Requirements document.
- You must configure the enhanced stacking protocol on
each Summit family switch.
- Although you can mix Summit X440, X450-G2, X460,
X460-G2, X480, X670, and X770 switches in a stack, we recommend that you do
not mix these switch types if the desired routing table exceeds the
supported limit for the Summit X480 switch, which is 12K IPv4 LPM
routes.
- Summit X480 supports the LR4 Parallel Single Mode (PSM) Optical Transceiver
on 40G optical QSFP+ ports. Running in 4 x10g mode allows you to have 4
independent transmit and receive channels, each capable of 10Gbps operation
over a 10km single mode fiber hydra MPO to 4xLC duplex patch cord terminated
with standard 10G LR SFP+ Optical transceivers.
- Summit X480 switches support multiple types of stacking cables for
connection between Summit X480 compatible SummitStack option cards and other Summit
switches. For information on which cables to use with each type of Summit family
switch, see the Summit Family Switches Hardware
Installation Guide.
- The switch prompt reflects the installed VIM in parenthesis as shown
in the following examples:
- Summit X480-48t switch with no VIM installed:
X480-48t.
- Summit X480-48t switch with VIM2-SummitStack installed:
X480-48t(SS).
- Summit X480-48t switch with VIM2-SummitStack-V80
installed: X480-48t(SSV80).
- Summit X480-48t switch with VIM2-SummitStack128
installed: X480-48t(SS128).
- Summit X480-48t switch with VIM2-10G4X installed:
X480-48t(10G4X).
- Summit X480-48t switch with VIM3-40G4X installed: X480-48t(40G4X).
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