December 2005 © Foundry Networks, Inc. C - 1
Appendix C
Policies and Filters
This appendix describes the various types of Foundry policies and filters. For each type of policy or filter, the CLI
command syntax for configuring the policy or filter are provided. This appendix also refers you to specific
configuration procedures.
NOTE: This appendix does not describe Access Control Lists (ACLs), which are additional methods for filtering
packets. See “Rule-Based IP Access Control Lists (ACLs)” on page 12-1.
Foundry devices provide a robust array of policies and filters. You can configure policies and filters to do the
following:
• Change Quality-of-Service priorities for individual ports, VLANs, and static MAC entries.
• Configure protocol-based VLANs, IP sub-net VLANs, and IPX network VLANs within standard 802.1d port-
based VLANs.
• Learn or drop RIP routes on incoming traffic, based on network address or the RIP neighbor’s IP address.
• Control learning and advertisement of RIP routes, based on network address or the RIP neighbor’s IP
Table C.1: Chapter Contents
Description See Page
Scope – The scope of each type of policy and filter. C-2
Default Filter Actions – The default action when no
policy or filter is configured and the default action after
you configure a policy or filter.
C-2
Policy and Filter Precedence – The precedence among
filters on the same layer (e.g., Layer 2 packets) and on
different layers.
C-3
Foundry Policies – The types of policies you can
configure on Foundry devices
C-4
Foundry Filters – The types of filters you can configure
on Foundry devices
C-6
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