Outline

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Module 6: Redundancy

Module Overview |

6.1

Implementing Module Redundancy in a Multilayer Switched Network

6.1.1 | Introducing redundancy
6.1.2 | Implementing redundant supervisor engines in Catalyst switches
6.1.3 | Implementing redundant supervisor uplink modules in Catalyst switches
6.1.4 | Implementing redundant distributed forwarding cards in Catalyst switches
6.1.5 | Implementing redundant power supplies

6.2

Implementing Router Redundancy in a Switched Network

6.2.1 | Router redundancy operation
6.2.2 | ICMP Router Discovery Protocol (IRDP)
6.2.3 | Hot Standby Router Protocol (HSRP)
6.2.4 | Virtual Router Redundancy Protocol (VRRP)
6.2.5 | Gateway Load Balancing Protocol (GLBP)
6.2.6 | Single Router Mode (SRM) redundancy
6.2.7 | Server Load Balancing (SLB)

6.3

HSRP Operations

6.3.1 | HSRP operations
6.3.2 | The virtual router MAC address
6.3.3 | HSRP messages
6.3.4 | HSRP states

6.4

HSRP Configuration

6.4.1 | Configuring HSRP
6.4.2 | How HSRP addresses redundancy issues
6.4.3 | HSRP standby priority
6.4.4 | HSRP standby preempt
6.4.5 | HSRP hello timers
6.4.6 | HSRP interface tracking
6.4.7 | Verify HSRP configuration
6.4.8 | HSRP over trunk links
6.4.9 | Troubleshooting HSRP

6.5

Hands-on Lab Exercises

6.5.1 | Hot Standby Router Protocol
6.5.2 | Multigroup Hot Standby Router Protocol

Module Summary |
Module Quiz |

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