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FTOS Configuration Guide for the C-Series - Force10 Networks

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Chapter 18 High Availability<br />

High Availability is supported only on plat<strong>for</strong>ms: c e<br />

This chapter is divided in to <strong>the</strong> following sections:<br />

• High Availability on <strong>the</strong> E-<strong>Series</strong> on page 367<br />

• High Availabilty on C-<strong>Series</strong> on page 378<br />

• Hitless Feature Definition on page 383<br />

High Availability on <strong>the</strong> E-<strong>Series</strong><br />

The <strong>Force10</strong> <strong>Networks</strong> E-<strong>Series</strong> line cards, SFMs, and RPMs can be hotswapped.<br />

Online Insertion and Removal (OIR)<br />

In <strong>the</strong> E-<strong>Series</strong>, you add, replace, or remove a line card, <strong>the</strong> redundant SFM or <strong>the</strong> Standby RPM without<br />

interrupting <strong>the</strong> system. While <strong>the</strong> system is online, you can replace a blank filler panel with a line card or<br />

hot swap a line card of <strong>the</strong> same type.<br />

This section covers <strong>the</strong> following topics:<br />

• Line Cards on page 367<br />

• SFMs on page 370<br />

• Standby RPM on page 371<br />

Line Cards<br />

When you insert a line card into an empty slot in a system that is in operation, <strong>the</strong> software detects <strong>the</strong> line<br />

card type, and <strong>the</strong>n writes <strong>the</strong> line card in<strong>for</strong>mation into <strong>the</strong> running-config. The running-config file keeps<br />

<strong>the</strong> in<strong>for</strong>mation, even if <strong>the</strong> line card is removed from <strong>the</strong> slot. If a line card is removed or failed, <strong>FTOS</strong><br />

will make <strong>the</strong> line card configuration logic and retain <strong>the</strong> configuration in running-config. Such logical<br />

configuration needs to be saved into startup-config to survive a system reboot.<br />

To better control traffic during a line card hotswap, shut down all interfaces on <strong>the</strong> line card, using <strong>the</strong><br />

shutdown command.<br />

<strong>FTOS</strong> <strong>Configuration</strong> <strong>Guide</strong>, version 7.7.1.0 367

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