H3C S7500 Series Operation Manual

Also see for S7500 Series: Operation manual Operation manual Operation manual Operation manual Command manual

Contents

H3C S7500 Series Operation Manual Manual pdf 2 page image

Operation Manual – VRRP-HAH3C S7500 Series Ethernet Switches Chapter 1 VRRP Configuration1-1Chapter 1 VRRP ConfigurationWhen configuring VRRP, go to these sections for information you are interested in:z VRRP Overviewz VRRP Configurationz Displaying and Maintaining VRRPz VRRP Configuration Examplesz Troubleshooting VRRP1.1 VRRP OverviewVirtual Router Redundancy Protocol (VRRP) is a fault-tolerant protocol.As shown in Figure 1-1, in general,z A default route (for example, the next hop address of the default route is10.100.10.1, as shown in the following figure) is configured for every host on anetwork.z The packets destined for the external network segments and sourced from thesehosts go through the default routes to the Layer 3 Switch, implementingcommunication between these hosts and the external network.z If Switch fails, all the hosts on this segment taking Switch as the next-hop throughthe default routes are cut off from the external network.Host 1EthernetSwitchNetworkHost 210.100.10.7 10.100.10.810.100.10.1Host 310.100.10.9gFigure 1-1 LAN networkinVRRP, designed for LANs with multicast and broadcast capabilities (such as Ethernet),settles the problem caused by switch failures.

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H3C S7500 Series Operation Manual

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