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    <title>About TACACS+ Servers </title>
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<a name="wp1077562"> </a><h1 class="pTitle">
About TACACS+ Servers

</h1>
<a name="wp1077563"> </a><p class="pBody">
By default, the TACACS+ feature is disabled in all switches in the Cisco MDS 9000 Family. 
DCNM-SAN or Device Manager enables the TACACS+ feature automatically when you configure a 
TACACS+ server.

</p>
<a name="wp1077564"> </a><p class="pBody">
If a secret key is not configured for a configured server, a warning message is issued if a global key is 
not configured. If a server key is not configured, the global key (if configured) is used for that server.

</p>
<a name="wp1077565"> </a><p class="pBodyAutonumNoRule">
<strong>Note	&nbsp;&nbsp;&nbsp;</strong> Prior to Cisco MDS SAN-OS Release 2.1(2), you can use the dollar sign ($) in the key but the key must 
be enclosed in double quotes, for example “k$”. The percent sign (%) is not allowed. In Cisco MDS 
SAN-OS Release 2.1(2) and later, you can use the dollar sign ($) without double quotes and the percent 
sign (%) in global secret keys.

</p>
<a name="wp1077566"> </a><p class="pBody">
You can configure global values for the secret key for all TACACS+ servers.

</p>
<a name="wp1077567"> </a><p class="pBodyAutonumNoRule">
<strong>Note	&nbsp;&nbsp;&nbsp;</strong> If secret keys are configured for individual servers, those keys override the globally configured key.

</p>
<hr /><br><p class="pBody">Copyright 2010-2013, Cisco Systems, Inc. All rights reserved.</p> 

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