The Hot Standby Router Protocol (HSRP) provides network redundancy for IP networks, ensuring that user traffic immediately and transparently recovers from first hop failures in network edge devices or access circuits.
Technology Information

Design

Configure

Configuration Examples and TechNotes

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Avoiding HSRP Instability in a Switching Environment with Various Router Platforms

How to Use HSRP to Provide Redundancy in a Multihomed BGP Network

How to Use the standby preempt and standby track Commands

Implementing HSRP Over LANE

Load Sharing with HSRP

Understanding and Configuring the ip unnumbered Command

How to Use HSRP to Provide Redundancy in a Multihomed BGP Network
How to Use the standby preempt and standby track Commands
Implementing HSRP Over LANE
Load Sharing with HSRP
Understanding and Configuring the ip unnumbered Command
Troubleshoot and Alerts

Security Advisories, Responses and Notices

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Cisco Security Notice: Response to BugTraq - Cisco IOS Software - Three Possible DoS Attacks

Cisco Security Notice: Response to BugTraq - HSRP Issues

Troubleshooting TechNotesCisco Security Notice: Response to BugTraq - HSRP Issues
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Hot Standby Router Protocol Features and Functionality

How to Use the standby preempt and standby track Commands

Implementing HSRP Over LANE

Understanding and Configuring the ip unnumbered Command

Understanding and Troubleshooting HSRP Problems in Catalyst Switch Networks

Troubleshooting GuidesHow to Use the standby preempt and standby track Commands
Implementing HSRP Over LANE
Understanding and Configuring the ip unnumbered Command
Understanding and Troubleshooting HSRP Problems in Catalyst Switch Networks
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