Cisco 6503 - Catalyst Firewall Security Sys Biała księga - Strona 18

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Cisco 6503 - Catalyst Firewall Security Sys Biała księga

disabled, the power available to the system is the combined power of the power supplies. Note that in this conﬁguration, if

one supply fails, the system might not have enough power to supply all the modules. To enable or disable power redundancy,

the following command is used:

Sup-A> (enable) set power redundancy enable | disable

Each line card has different power requirements so power requirements vary from chassis to chassis. The user guide

documents the Cisco Catalyst 6500 Series power requirements to help you understand the power requirements for each

particular line card. These requirements are described at:

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/6000hw/inst_aug/02prep.htm

Conclusion

The High Availability and Redundancy features of the Cisco Catalyst 6500 Series provide a very reliable switching and

routing platform. The hardware redundancy provided by dual supervisor engines, dual routing engines, dual switching fabrics,

and a dual power supply help to reduce the potential downtime of a network. Software redundancy features such as the High

Availability feature of Cisco Catalyst OS and the DRM or SRM options for MSFC failover build on this hardware redundancy

to create a very stable operating environment. The combination of these features, in addition to the system performance and

intelligent network services, makes the Cisco Catalyst 6500 Series unparalleled in the industry.

Cisco Systems, Inc.

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