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Cisco WS-C4900M Manual Page 108

Scalable, intelligent lan switching for campus, branch, and data center networks of all sizes.
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Modular Switches: Cisco Catalyst 6500 Series
Cisco Catalyst 6500 Series Spotlight
The key enabler of a VSS Virtual Switching
Supervisor 720-10G and Supervisor 2T. Any two
Cisco Catalyst 6500 Series Switches with thiese
supervisor engines can be pooled together into a
VSS system. The two switches are connected with
10 GBE links called Virtual Switch Links (VSLs).
Once a VSS is created it acts as a single virtual
Cisco Catalyst 6500 switch delivering the following
benefits:
Operational Manageability:
Two Catalyst 6500s shares a single point of
management, single gateway IP address,
and single routing instance—eliminating 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 4.0Tbps:
Scales system bandwidth capacity to 4.0 Tbps by
activating all available bandwidth across redundant
Catalyst 6500 switches.
1
See Virtual Switching System 1440 on the Catalyst 6500 Series White Paper for complete requirements.
2
Per EOS announcement, last day to order is September 8, 2010.
3
Subsystem ISSU aka Patching has been deprecated starting 12.2(33)SXI3.
108
PoE Scalability
The Cisco Catalyst 6500 Series provides industry
leading levels of power scalability (up to 420 Class
3 devices) needed to support high-density PoE
deployments. It also offers Enhanced Power over
Ethernet (ePoE) for devices that require more than
30 Watts per port. The enhanced 6- and 9-slot
chassis (WS-C6506-E and WS-C6509-E models)
are designed to scale beyond the current 8700W
power supplies. Continuing this product line's
tradition of unmatched investment protection, all
existing supervisors, line cards, switch fabrics,
and software releases are supported in the
E series chassis.

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