![]() Configuring Multiple HSRP Groups for Load Balancing.How to configure FHRP - Multiple Group Optimization The refresh message may be sent at a much lower frequency compared with the protocol election messages sent by the master group. Client groups do not participate in any sort of device election mechanism.Ĭlient groups send periodic messages in order to refresh their virtual MAC addresses in switches and learning bridges. The HSRP group state of the client groups follows that of the master group. Other HSRP groups may be created on each subinterface and linked to the master group via the group name. Only one HSRP group is required on a physical interface for the purposes of electing active and standby devices. The configuration of many hundreds of subinterfaces on the same physical interface, with each subinterface having its own HSRP group, can cause the processes of negotiation and maintenance of multiple HSRP groups to have a detrimental impact on network traffic and CPU utilization. Information About FHRP - Multiple Group Optimization To access Cisco Feature Navigator, go to An account on is not required. Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To find information about the features documented in this module, and to see a list of the releases in which each feature is supported, see the feature information table. For the latest caveats and feature information, see Bug Search Tool and the release notes for your platform and software release. Your software release may not support all the features documented in this module. Feature Information for FHRP - HSRP Multiple Group Optimization.Configuration Examples for FHRP - Multiple Group Optimization. ![]()
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