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Access Policies
This chapter describes access policies, and how they are created and
implemented on the Intel
®
NetStructure
™
480T routing switch.
Overview of Access Policies
Access policies are a generalized category of features that impact
forwarding and route forwarding decisions. Access policies are used
primarily for security and quality of service (QoS) purposes.
There are three categories of access policies:
• IP access lists
• Routing access policies
• Route maps
IP Access Lists
IP access lists consist of IP access rules, and are used to perform packet
filtering and forwarding decisions on incoming traffic. They are based on
criteria that involves Layer 3 IP or Layer 4 socket source or destination
information. Each packet arriving on an ingress port is compared to the
access list in sequential order, and is either forwarded to a specified QoS
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