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Quick and Dirty notes on Cisco StackWise


Quick and Dirty notes on Cisco StackWise

Summary:

Models supporting
Stack Name
Bandwith
Gbps
StackWise
Max #
Type/
Accro
Module
SKU
Cable 05m
SKU
Models supporting
StackPower
Max #
C2960S
FlexStack
20
4
STK-E
C2960S-STACK=
CAB-STK-E-0.5M=
C2960S
#N/A
C2960X
FlexStack-Plus Mixed with FlexStack
40
8
STK-E
C2960X-STACK=
CAB-STK-E-0.5M=
C2960X
#N/A
C2960X
FlexStack-Plus
80
8
STK-E
C2960X-STACK=
CAB-STK-E-0.5M=
C2960X
#N/A
C3750X
StackWise
64
9

Fixed in C3750x
CAB-STACK-50CM=
C3750X
4
C9200L 
StackWise-80
80
8
T4
C9200L-STACK-KIT=
STACK-T4-50CM=
C9200L 
4
C3650
StackWise-160
160
9
T2
C3650-STACK-KIT=
STACK-T2-50CM=
C3650
#N/A
C9200
StackWise-160
160
8
T4
C9200-STACK-KIT=
STACK-T4-50CM=
C9200
#N/A
C9300L 
StackWise-320
320
9
T3
C9300L-STACK-KIT=
STACK-T3-50CM=
C9300L 
4
C9300
StackWise-480
480
9
T1
Fixed in C9300
STACK-T1-50CM=
C9300
4
C3850
StackWise-480
480
9
T1
Fixed in C3850
STACK-T1-50CM=
C3850
4



C2960S:

Cisco Catalyst 2960-S Accessories
Part Numbers
Description
C2960S-STACK
FlexStack hot-swappable stacking module
CAB-STK-E-0.5M
FlexStack stacking cable with a 0.5 m length
CAB-STK-E-1M
FlexStack stacking cable with a 1.0 m length
CAB-STK-E-3M
FlexStack stacking cable with a 3.0 m length


Cisco FlexStack stacking with 20 Gbps of stack throughput (optional)


Cisco FlexStack
Cisco FlexStack provides stacking of up to four 2960-S switches through an optional module (Figure 2).
The FlexStack stack module is hot-swappable and can be added to any Cisco Catalyst 2960-S switch with LAN
Base software. Switches connected to a stack will automatically upgrade to the stack’s Cisco IOS Software version and transparently join the stack without additional intervention.
Cisco FlexStack and Cisco IOS Software provide true stacking, with all switches in a stack acting as a single switch unit. FlexStack provides a unified data plane, unified configuration, and single IP address for switch management. The advantages of true stacking include lower total cost of ownership and higher availability through simplified management and cross-stack features including EtherChannel, SPAN, and FlexLink. Note that cross-stack features must be disabled before removing the stack module from an active stack member switch.
FlexStack also allows mixed stacking: 2960-S and 2960-SF switches can be combined to provide a combination of Gigabit and Fast Ethernet ports in a single switch stack.
Figure 2.       Cisco FlexStack Switch Stack



C2960X:

Cisco Catalyst 2960-X Accessories
Part Numbers
Description
C2960X-STACK=
FlexStack-Plus hot-swappable stacking module
CAB-STK-E-0.5M=
FlexStack-Plus stacking cable with a 0.5 m length
CAB-STK-E-1M=
FlexStack-Plus stacking cable with a 1.0 m length
CAB-STK-E-3M=
FlexStack-Plus stacking cable with a 3.0 m length

FlexStack and FlexStack Plus Supported Combinations

2960-XR IP Lite
2960-X LAN Base
2960-S/SF LAN Base
2960-XR IP Lite
Yes
-
-
2960-X LAN Base
-
Yes
Yes
2960-S or 2960-SF LAN Base
-
Yes
Yes

  FlexStack-Plus Scalability and Performance

Stack Members
Stack Bandwidth
Stack Limit
Cisco IOS Feature Set
2960-XR IP Lite
80G
8
IOS IP Lite
2960-XLAN Base
80G
8
IOS LAN Base
2960-X LAN Base mixed with
2960-S/SF LAN Base
40G
4
IOS LAN Base

C3650:

Cisco Catalyst 3650 Series Spare StackWise-160 Module, Cables and Blank

C3650-STACK-KIT=
Cisco Catalyst 3650 Stack Module spare
STACK-T2-50CM=
Cisco StackWise-160 50CM Stacking Cable Spare
STACK-T2-1M=
Cisco StackWise-160 1M Stacking Cable Spare
STACK-T2-3M=
Cisco StackWise-160 3M Stacking Cable Spare
STACK-T2-BLANK=
Cisco Catalyst 3650 Stacking Blank Spare




C3750X:

StackWise and StackPower Cables for the Cisco Catalyst 3750-X Series

CAB-STACK-50CM=
Cisco StackWise 50 cm stacking cable
CAB-STACK-1M=
Cisco StackWise 1 m stacking cable
CAB-STACK-3M= 
Cisco StackWise 3 m stacking cable
CAB-STACK-50CM-NH=
Cisco StackWise 50 cm nonhalogen lead-free stacking cable
CAB-STACK-1M-NH=
Cisco StackWise 1 m nonhalogen lead-free stacking cable
CAB-STACK-3M-NH=
Cisco StackWise 3 m nonhalogen lead-free stacking cable



C3850:


StackWise-480 and StackPower Cables for the Cisco Catalyst 3850 Series

STACK-T1-50CM=
Cisco StackWise-480 50cm stacking cable spare
STACK-T1-1M=
Cisco StackWise-480 1m stacking cable spare
STACK-T1-3M=
Cisco StackWise-480 3m stacking cable spare
CAB-SPWR-30CM=
Cisco Catalyst 3850 StackPower cable 30cm spare
CAB-SPWR-150CM=
Cisco Catalyst 3850 StackPower cable 150cm spare





C9200:


Supported stacking options
Model
Stacking support
Stacking bandwidth support
Stacking hardware
Number of members
Supported stack members
Modular models (C9200 SKUs)
StackWise®-160
160 Gbps
C9200-STACK-KIT
8
Other C9200 models with same license level
Fixed models (C9200L SKUs)
StackWise-80
80 Gbps
C9200L-STACK-KIT
8
Other C9200L models with same license level
Mixed stacking is not supported. You cannot stack fixed (C9200L SKUs) with modular (C9200 SKUs) models, or other Catalyst switches, e.g. Cisco Catalyst 2960-X and 2960-XR Series.
The optional StackWise-160 and StackWise-80 kits consist of two adapters and a stacking cable. The default stacking cable is 0.5 m, but options of 1 m and 3 m are also available. Table 5 lists the stacking accessories.
Stacking accessories
Model
Description
C9200-STACK-KIT
Stack kit for C9200 SKUs only: Two data stack adapters and one data stack cable
C9200L-STACK-KIT
Stack kit for C9200L SKUs only: Two data stack adapters and one data stack cable
STACK-T4-50CM
Data stack 50 cm cable (default cable with Stack Kit)
STACK-T4-1M
Data stack 1 m cable
STACK T4-3M
Data stack 3 m cable







       

StackWise-80 and StackWise-160 Kit and cables

Product number
Product description
C9200-STACK-KIT=
C9200 Stack Kit Spare
C9200L-STACK-KIT=
C9200L Stack Kit Spare
STACK-T4-50CM
50CM Type 3 Stacking Cable
STACK-T4-50CM=
50CM Type 3 Stacking Cable, spare
STACK-T4-1M
1M Type 3 Stacking Cable
STACK-T4-1M=
1M Type 3 Stacking Cable, spare
STACK-T4-3M
3M Type 3 Stacking Cable
STACK-T4-3M=
3M Type 3 Stacking Cable, spare




C9300

Switch models and configurations
Models
FRU Power Supply
FRU Fans
Modular Uplinks
Stacking Bandwidth Support
Cisco StackPower
Catalyst 9800 Embedded WLC
SD-Access Support
Modular uplink models (C9300 SKUs)
480 Gbps
Yes (200 APs)
Yes (256 Virtual Networks)
Fixed uplink Models (C9300L SKUs)
320 Gbps
Yes (50 APs)
Yes (64 Virtual Networks)

Supported stacking options
Model
Stacking support
Stacking bandwidth support
Optional Stacking hardware
Number of members
Supported stack members
Modular uplink models (C9300 SKUs)
StackWise®-480
480 Gbps
StackWise Cable
8
Other C9300 SKUs with same license level
Fixed uplink models (C9300L SKUs)
StackWise-320
320 Gbps
C9300L-STACK-KIT
8
Other C9300L SKUs with same license level


Cisco StackWise-480 and StackPower cables

Product number
Product description
STACK-T1-50CM=
Cisco StackWise-480 50cm stacking cable spare
STACK-T1-1M=
Cisco StackWise-480 1m stacking cable spare
STACK-T1-3M=
Cisco StackWise-480 3m stacking cable spare
CAB-SPWR-30CM=
Cisco Catalyst 3850 StackPower cable 30cm spare
CAB-SPWR-150CM=
Cisco Catalyst 3850 StackPower cable 150cm spare
Cisco StackWise-320 Accessories

Product number
Product description
C9300L-STACK-KIT
Stack Kit for C9300L SKUs – includes 2 Stack Adaptors and 1 Stack Cable
C9300L-STACK-KIT=
Stack Kit for C9300L SKUs – includes 2 Stack Adaptors and 1 Stack Cable, spare
STACK-T3-50CM
50CM Type 3 Stacking Cable – default with Stack Kit for C9300L SKUs
STACK-T3-50CM=
50CM Type 3 Stacking Cable, spare for C9300L SKUs
STACK-T3-1M
1M Type 3 Stacking Cable for C9300L SKUs
STACK-T3-1M=
1M Type 3 Stacking Cable, spare for C9300L SKUs
STACK-T3-3M
3M Type 3 Stacking Cable for C9300L SKUs
STACK-T3-3M=
3M Type 3 Stacking Cable, spare for C9300L SKUs




C9500



Cisco StackWise Virtual
StackWise Virtual is an advanced stacking technology that supports both access and distribution deployments through multiple topologies (such as two nodes or a ring). It provides higher scale for system virtualization at the network layer. The Cisco Catalyst 9500 Series supports StackWise Virtual with a 2-node topology on select models at FCS. Refer to the Release Notes for limitations.
StackWise Virtual in the distribution layer of the network interacts with the access and core layer switches as if it were a single logical switch. An access/core switch connects to both switches of the StackWise Virtual switch using one logical port channel called a Multichassis EtherChannel (MEC). The MEC enables the StackWise Virtual switches to provide redundancy and load balancing on the port channel.
This capability enables a loop-free Layer 2 network topology, since the StackWise Virtual switches are treated as one logical switch for both access and core switches. The StackWise Virtual switch also simplifies the Layer 3 network topology by presenting itself as one logical switch, thus reducing the number of routing peers in the network.


  



MERAKI STACKING:










SG550X STACKING:




Stacking

Hardware stack
Up to 8 units in a stack. Up to 400 ports managed as a single system with hardware failover.
High availability
Fast stack failover delivers minimal traffic loss. Support link aggregation across multiple units in a stack.
Plug-and-play stacking configuration/management
Master/backup for resilient stack control
Autonumbering
Hot swap of units in stack
Ring and chain stacking options, autostacking port speed, flexible stacking port options
High-speed stack interconnects
Cost-effective high-speed 10G fiber and copper interfaces. Support LAG as stacking interconnects for even higher bandwidth.




STACK RING EX:


Below an example of a stack, and the cable connections, then the Stack Ring and the path that a packet must follow to go from one switch to another one.