ProNet Expert Routing & Switching News
Cisco Catalyst 6500 Virtual Switching System (VSS)
The Cisco Catalyst 6500 Virtual Switching System (VSS) 1440 takes the flagship
Catalyst 6500 platform to the next level with network system virtualization.
ProNet Expert was recently engaged by a large financial client in the UK to
provide Cisco Support Services on the Cisco Catalyst 6500 VSS.
Creating a VSS 1440
The key enabler of a VSS 1440 is the Virtual Switching Supervisor 720-10G.
Any two Cisco Catalyst 6500 Series Switches with this supervisor engine can be
pooled together into a VSS 1440. The two switches are connected with 10 GbE
links called Virtual Switch Links (VSLs). Once a VSS 1440 is created it acts as
a single virtual Catalyst switch delivering the following benefits:
• Operational Manageability
• Two Catalyst 6500s share a single point of management, single gateway IP
address, and single routing instance
• Eliminates the dependence on First Hop Redundancy Protocols (FHRP) and
Spanning Tree Protocol
Non-Stop Communications
Delivers deterministic, sub-200 millisecond layer 2 link recovery through
inter-chassis stateful failovers and the predictable resilience of Etherchannel
Scales to 1.4 Tbps
Scales system bandwidth capacity to 1.4 Tbps by activating all available
bandwidth across redundant Catalyst 6500 switches
Up to 132 ports of 10 GbE per system
Ask the ProNet Expert Cisco Consulting Specialists on how your business can
benefit from the Cisco VSS. Eliminate the Spanning tree convergence issues and
achieve a long term ROI by only utilizing one Supervisory Engine, while
maintaining the capacity of 2 Catalyst 6500 Multilayer Switches.
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