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FTOS Configuration Guide for the C-Series - Force10 Networks

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Table 37 lists <strong>the</strong> data categories that can be synchronized between <strong>the</strong> two RPMs.<br />

Table 37 Data Categories<br />

Parameter Description<br />

full All operational data. This setting is <strong>the</strong> default.<br />

persistent-data The startup-configuration file.<br />

system-data Includes <strong>the</strong> data in <strong>the</strong> persistent-data parameter and <strong>the</strong> following:<br />

• running-configuration file<br />

• event log<br />

• SFM status<br />

• line card status<br />

To change <strong>the</strong> type of data synchronized and <strong>the</strong> method of synchronization, use <strong>the</strong> command:<br />

Command Syntax Command Mode Usage<br />

redundancy synchronize [full |<br />

persistent-data | system-data]<br />

Use <strong>the</strong> show running-config redundancy command to view <strong>the</strong> current redundancy configuration.<br />

<strong>for</strong>ce an RPM failover<br />

You can trigger a failover between RPMs. This feature is useful in two cases:<br />

• For replacing an RPM: You can fail over to <strong>the</strong> Standby RPM, and <strong>the</strong>n replace <strong>the</strong> old primary RPM.<br />

After failover, RPM1 (<strong>the</strong> new primary RPM) reboots RPM0 (<strong>the</strong> <strong>for</strong>mer primary RPM) and is active.<br />

• For upgrading software: You can load <strong>the</strong> new software on <strong>the</strong> RPM, and <strong>the</strong>n <strong>for</strong>ce a failover instead<br />

of doing a full reboot. Some patch releases require only a “hitless upgrade”, which means that a<br />

software upgrade does not require a reboot of <strong>the</strong> line cards. Major releases require a warm upgrade,<br />

which is a reset of <strong>the</strong> line cards and SFMs. For details, see <strong>the</strong> lastest <strong>FTOS</strong> release notes.<br />

To <strong>for</strong>ce an RPM failover, use <strong>the</strong> following command in <strong>the</strong> EXEC privilege mode:<br />

Command Syntax Command Mode Usage<br />

redundancy<br />

<strong>for</strong>ce-failover rpm<br />

EXEC privilege Synchronize data one time between <strong>the</strong> primary<br />

and Standby RPMs.<br />

EXEC privilege Manually trigger <strong>the</strong> Standby RPM to take mastership of <strong>the</strong><br />

system. The system recognizes if you have installed a<br />

software upgrade on <strong>the</strong> RPM, and prompts you to boot <strong>the</strong><br />

RPM, as shown in <strong>the</strong> following example.<br />

Note: On C-<strong>Series</strong>, this command could affect traffic even <strong>for</strong><br />

<strong>the</strong> hot-failover case, since <strong>the</strong> switch fabric present on <strong>the</strong><br />

RPM is taken down during <strong>the</strong> failover.<br />

<strong>FTOS</strong> <strong>Configuration</strong> <strong>Guide</strong>, version 7.7.1.0 375

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