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Chapter 1
Using Traffic Filters
This chapter describes concepts and terms to help you understand and plan for
traffic filter configurations on Bay Networks routers.
What Are Traffic Filters?
Traffic filters are router files that instruct an interface to selectively handle
specified network traffic (packets, frames, or datagrams). You determine which
packets receive special handling based on information fields in the packet headers.
Using traffic filters, you can reduce network congestion and control access to
network resources by blocking, forwarding, logging, or prioritizing specified
traffic on an interface.
Topic Page
What Are Traffic Filters? 1-
1
What Is Protocol Prioritization? 1-3
Filtering Strategies 1-4
Traffic Filter Components 1-6
Using Filter Templates 1-13
Summary of Traffic Filter Support 1-14
Note:
Be careful not to confuse traffic filters with other router filters such as
route filters
, which force filtered protocol traffic to take particular routes.
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