https://8bd9e53a.aww-3cz.pages.dev/tags/auto/ Recent content in Auto on Aaron's Worthless Words Hugo en Wed, 10 Feb 2010 00:00:00 +0000 https://8bd9e53a.aww-3cz.pages.dev/posts/2010/02/ont-notes-autoqos/ Wed, 10 Feb 2010 00:00:00 +0000 https://8bd9e53a.aww-3cz.pages.dev/posts/2010/02/ont-notes-autoqos/ <ul> <li>AutoQoS benefits <ul> <li>Automates QoS for most deployments</li> <li>Protects business-critical apps to maximize availability</li> <li>Simplifies QoS deployments</li> <li>Reduces configuration errors</li> <li>Cheaper, faster, and simpler deployments</li> <li>Follows DiffServ</li> <li>Allows complete control over QoS configs</li> <li>Allows modification of auto-generated configs</li> </ul> </li> <li>AutoQoS phases of evolution <ul> <li>AutoQoS VOIP - Early version that configures the basics without discovery</li> <li>AutoQoS for Enterprise - Second version that only runs on routers and uses two-step process <ul> <li>Autodiscovery using NBAR</li> <li>Generation of class maps</li> </ul> </li> </ul> </li> <li>AutoQoS key elements <ul> <li>Application classification</li> <li>Policy generation</li> <li>Configuration</li> <li>Monitoring and reporting</li> <li>Consistency</li> </ul> </li> <li>Interfaces that you can configure AutoQoS on <ul> <li>Serial ifs with PPP and HDLC</li> <li>FR point-to-point subifs (NOT multipoint)</li> <li>ATM point-to-point subifs</li> <li>FR-to-ATM links</li> </ul> </li> <li>Prerequsites <ul> <li>No Qos policy already configured on if</li> <li>CEF enabled on if</li> <li>Correct bandwidth configured on if</li> <li>IP address on low-speed if</li> </ul> </li> <li>Configuring AutoQoS Enterprise on a router (NOT a switch) <ul> <li><strong>auto qos discovery</strong> - begins discovery process</li> <li><strong>auto qos</strong> - generates and applies MQC-based policies</li> </ul> </li> <li>Configuring AutoQoS VOIP <ul> <li><strong>auto qos voip [ trust | cisco-phone ]</strong></li> </ul> </li> <li>Verifying AutoQoS on router <ul> <li><strong>show auto discovery qos</strong> - get autodiscovery results</li> <li><strong>show auto qos</strong> - examine configuration generated <ul> <li>Number of classes</li> <li>Classification options</li> <li>Marking options</li> <li>Queuing mechanisms</li> <li>Other QoS mechanisms</li> <li>If, subif, PVC where policy is applied</li> </ul> </li> <li><strong>show policy-map interface</strong> - look at if stats</li> </ul> </li> <li>Verify AutoQoS VOIP <ul> <li><strong>show auto qos</strong></li> <li><strong>show policy-map interface</strong></li> <li><strong>show mls qos maps</strong> - shows CoS to DSCP mappings</li> </ul> </li> <li>Possible issues with AutoQoS <ul> <li>Too many traffic classes - manually consolidate some</li> <li>Configuration doesn&rsquo;t change - rerun AutoQoS</li> <li>Configuration may not fit your situation - fine-tune it by hand</li> </ul> </li> <li>Fine-tuning AutoQoS <ul> <li>Use QPM</li> <li>CLI</li> <li>copy policy into editor, change, reapply</li> </ul> </li> <li>AutoQoS can match on characteristics besides ACLs and NBAR <ul> <li><strong>match input interface</strong></li> <li><strong>match cos</strong></li> <li><strong>match ip precedence</strong></li> <li><strong>match ip dscp</strong></li> <li><strong>match ip rtp</strong></li> </ul> </li> </ul>