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Catalyst 4500-X Fixed 10 GE Aggregation Switch

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• Redundant design with sub-optimal topology and complex<br />

operation.<br />

• Stabilize network topology with several L2 settings :<br />

STP Primary and Backup Root Bridge<br />

Bridge<br />

Assurance<br />

Rootguard<br />

Loopguard or Bridge Assurance<br />

STP Root<br />

STP Edge Protection<br />

• Protocol restricted forwarding topology –<br />

HSRP<br />

Active<br />

Si<br />

Si<br />

STP FWD/ALT/BLK Port<br />

Single Active FHRP Gateway<br />

Asymmetric forwarding<br />

Unicast Flood<br />

Rootguard<br />

Loopguard or<br />

Bridge<br />

Assurance<br />

• Protocol dependent driven network recovery<br />

PVST/RPVST+<br />

FHRP Tunings<br />

BPDU Guard or<br />

PortFast<br />

Port Security<br />

© 2011 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 27<br />

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