Cisco® Catalyst® 6500 High Availability: Deploying Redundant Supervisors for Maximum Uptime

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By Cisco Systems

The Cisco® Catalyst® 6500 is deployed in the most critical parts of enterprise and service provider networks. Having such a vital position in the network, the Cisco® Catalyst® 6500 must provide the highest levels of availability. To achieve these levels of availability network engineers employ both network-wide technologies as well as device-level redundancy. This includes network designs with redundant switches, redundant paths using Cisco EtherChannel® technology, First Hop Redundancy Protocols, the Cisco Virtual Switching System (VSS) and of course redundant system components including power supplies, fans and Supervisor modules.

This paper discusses the Redundant Supervisor technologies for the Cisco® Catalyst® 6500. These technologies have evolved over time from nonstateful, Route Processor Redundancy mode (RPR) to the current Stateful Switchover (SSO) mode with Nonstop Forwarding (NSF).

To understand how to build high available networks with SSO and NSF download this white paper.

2 Debates over Cisco® Catalyst® 6500 High Availability: Deploying Redundant Supervisors for Maximum Uptime

  1. Nick Lippis said:

    Cisco® Catalyst® 6500 High Availability: Deploying Redundant Supervisors for Maximum Uptime http://tinyurl.com/lzl9v2

  2. Nick Lippis said:

    Cisco® Catalyst® 6500 High Availability: Deploying Redundant Supervisors for Maximum Uptime http://tinyurl.com/lzl9v2

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