Oct
30
In this post we will look at the basic classification and marking features available in the 3550 and 3560 switches. Basic features include packet marking using port-level settings and port-level policy-maps. Discussing Per-VLAN classification is outside the scope of this document. The Catalyst QoS implementation bases on Differentiated Services model. In a few words, the ideas of this model could be outlined as follows: 1) Edge nodes classify ingress packets based on local policy and QoS label... Read More
Sep
20
In this final part of our blog series on QoS with the PIX/ASA, we examine the remaining two tools that we find on some devices - traffic shaping and traffic policing. Read More
Sep
15
How do you apply most of your QoS mechanisms on a Cisco router? You use the Modular Quality of Service Command Line Interface (MQC). The approach is similar on the PIX/ASA, but the tool does feature some important differences. Also, Cisco has renamed the tool to the Modular Policy Framework. One reason for this is the fact that it is used for more than just QoS. For example, the MPF is also used for application inspection and Intrusion Prevention configurations on the ASA. Read More

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