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nx.os.and.cisco.nexus.switching.2nd.edition.1587143046

Nexus Switching 2nd Edition

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6. Configure the redistribution of other protocols if necessary.<br />

7. Verify EIGRP operation.<br />

The first step to configure EIGRP is to enable it in global configuration mode using the<br />

feature comm<strong>and</strong>, as demonstrated in Example 3-2. With the modular nature of NX-OS,<br />

using the feature comm<strong>and</strong> loads the EIGRP modular code into memory for execution.<br />

Without the feature enabled, it would not be resident in memory.<br />

Example 3-2. Enabling EIGRP<br />

Click here to view code image<br />

Congo# config t<br />

Enter configuration comm<strong>and</strong>s, one per line. End with<br />

CNTL/Z.<br />

Congo(config)# feature eigrp<br />

Congo(config)# end<br />

Congo# show run eigrp<br />

!Comm<strong>and</strong>: show running-config eigrp<br />

!Time: Tue Sep 29 16:03:10 2009<br />

version 4.2(2a)<br />

feature eigrp<br />

As with IOS-based EIGRP configuration, the next step is to configure the EIGRP routing<br />

process, as demonstrated in Example 3-3. In NX-OS, you configure an instance tag for the<br />

process. Traditionally in IOS this would be the autonomous system (AS) number. In NX-OS<br />

the instance tag can be the AS, but in addition the instance tag can be up to 20 casesensitive,<br />

alphanumeric characters.<br />

Example 3-3. Creating an EIGRP Instance with a Numeric Tag<br />

Click here to view code image<br />

Congo# config t<br />

Enter configuration comm<strong>and</strong>s, one per line. End with<br />

CNTL/Z.<br />

Congo(config)# router eigrp 200<br />

Congo(config-router)# exit<br />

Congo(config)# show run eigrp<br />

!Comm<strong>and</strong>: show running-config eigrp<br />

!Time: Tue Sep 29 16:05:21 2009<br />

version 4.2(2a)<br />

feature eigrp<br />

router eigrp 200

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