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FTOS Configuration Guide for the C-Series - Force10 Networks

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Configure Spanning Trees as Hitless<br />

Configure Spanning Trees as Hitless is supported only on plat<strong>for</strong>m e<br />

You can configure Spanning Tree (STP), Rapid Spanning Tree (RSTP), Multiple Spanning Tree (MSTP),<br />

and Per-Vlan Spanning Tree (PVST+) to be hitless (all or none must be configured as hitless). When<br />

configured as hitless, RPM failover is seamless such that no topology change is triggered. Critical protocol<br />

state in<strong>for</strong>mation is synchronized between <strong>the</strong> two RPMs. See Configure Spanning Trees as Hitless on<br />

page 396.<br />

Configure all Spanning Tree types to be hitless using <strong>the</strong> command redundancy protocol xstp from<br />

CONFIGURATION mode, as shown in Figure 276.<br />

Figure 276 Configuring all Spanning Tree Types to be Hitless<br />

<strong>Force10</strong>(conf)#redundancy protocol xstp<br />

<strong>Force10</strong>#show running-config redundancy<br />

!<br />

redundancy protocol xstp<br />

<strong>Force10</strong>#<br />

396 Spanning Tree Protocol

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