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User Guide for Cisco Secure Access Control Server - Stewing Home

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OL-14386-02<br />

CHAPTER<br />

System Configuration: Advanced<br />

8<br />

This chapter addresses the ACS internal database replication and RDBMS synchronization features in<br />

the System Configuration section of the <strong>Cisco</strong> <strong>Secure</strong> <strong>Access</strong> <strong>Control</strong> <strong>Server</strong> Release 4.2, hereafter<br />

referred to as ACS.<br />

This chapter contains the following sections:<br />

ACS Internal Database Replication, page 8-1<br />

RDBMS Synchronization, page 8-17<br />

IP Pools <strong>Server</strong>, page 8-39<br />

IP Pools Address Recovery, page 8-44<br />

NAC Attribute Management (ACS SE Only), page 8-44<br />

ACS Internal Database Replication<br />

This section provides in<strong>for</strong>mation about the ACS internal database replication feature, including<br />

procedures <strong>for</strong> implementing this feature and configuring the ACSs involved.<br />

Note ACS does not support distributed deployments in a NAT environment. If a Primary or Secondary address<br />

is NAT-configured, the database replication file will indicate shared secret mismatch.<br />

This section contains:<br />

About ACS Internal Database Replication, page 8-2<br />

– Replication Process, page 8-3<br />

– Replication Frequency, page 8-5<br />

Important Implementation Considerations, page 8-5<br />

Database Replication Versus Database Backup, page 8-6<br />

Database Replication Logging, page 8-7<br />

Replication Options, page 8-7<br />

– Replication Components Options, page 8-7<br />

– Outbound Replication Options, page 8-9<br />

– Inbound Replication Options, page 8-10<br />

<strong>User</strong> <strong>Guide</strong> <strong>for</strong> <strong>Cisco</strong> <strong>Secure</strong> <strong>Access</strong> <strong>Control</strong> <strong>Server</strong> 4.2<br />

8-1

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