Cisco - Deploying High-Availability Campus Networks 505

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Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. scr 84 42 HP-Cisco High Availability Plan End-to-End Availability User Intranet WAN Campus Backbone 1. Server-to-Switch (server farm) 2. Campus LAN 3. WAN 4. Geographically distributed clusters HP MissionCritical Service Guard 5. 999% availability 505 0911_04F9_c4 85 © 1999, Cisco Systems, Inc. 95% Committed Uptime Two Node HP K-Class Cluster Running HP’s MC/Service Guard Catalyst 5505 with RSM Campus Backbone User 505 0911_04F9_c4 Redundant FE Channel Trunks HSRP for Session Integrity © 1999, Cisco Systems, Inc.

WAN—Hub and Spoke Resiliency (Layer 2/3 Issues) OSPF/EIGRP End-to-End LMI Frame Relay Floating Statics HSRP Standby Track WAN Site Campus LAN Core Floating Statics 505 0911_04F9_c4 PSTN/ISDN © 1999, Cisco Systems, Inc. Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. scr 60 30 WAN—Multi-Hub Resiliency (Layer 2/3 Issues) WAN Site B Public ATM Carrier—X Campus LAN Core GeoPhysical Diversity WAN Site—A Public ATM Carrier—X WAN Site C • Same OSPF area • EIGRP neighbors for fastest fail over 505 0911_04F9_c4 © 1999, Cisco Systems, Inc.

Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA.

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