STACKING vs VSS

Introduction to Stacking vs VSS

Stacking transforms standalone switches into single logical unit or group, with this group of switches showing the characteristics of a single switch but having the port capacity of the sum of the combined switches.

stacking-vs-vss

VSS is network system virtualization technology that pools multiple Cisco Catalyst Switches into one virtual switch, increasing operational efficiency, boosting non-stop communications, and scaling system bandwidth capacity. A VSS will allow two physical Cisco Catalyst Series Switches to operate as a single logical virtual switch called a virtual switching system.

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stacking-vs-vss

Comparison Table: Stacking vs VSS

Though both the technologies (Stacking and VSS) aim to form multiple standalone switches into one single management plane, this is essential that we understand how both the technologies differ –

FEATURE

STACKING

VSS

Cabling Uses Proprietary Cabling Uses 10G Interfaces
Distance Supported Limited by distance VSS members can be in geographically distant locations
Chassis members Scalable upto 8-9 members 2 members at max
Platform switches 2960 , 3750 , 3650 , 3850 6500 , 6800 , 4500
Control Plane 1 Control Plane 1 Control Plane
Switch Size On smaller / Access layer switches On Core or Aggregation layer switches
Add/remove member No detailed configuration required to add stack member Configuration required to add Chassis into VSS group
Control and management traffic No dedicated link explicitly for control and management traffic. VSL is the dedicated link for carrying control and management information across VSS members.
Download the comparison table here.

Continue Reading:

CISCO VSS vs JUNIPER VC

VPC vs VSS

 

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