Additional Resources

For more information, see the following articles:

• "Network Ingress Filtering" at http://www.rfc-editor.org/rfc/rfc2267.txt.

• "Improving Security on Cisco Routers" at http://www.cisco.com/en/US/tech/tk648/tk361/technologies_tech _note09186a0080120f48.shtml.

• "Configuring Broadcast Suppression" at http://www.cisco.com/en/US/products/hw/switches/ps708/products _configuration_guide_chapter09186a00800eb778.html.

• "Cisco IOS Intrusion Detection System Software App Overview" at http://www.cisco.com/en/US/netsol/ns110/ns170/ns171/ns292/networking _solutions_white_paper09186a008010e5c8.shtml.

• "Configuring VLANs" at http://www.cisco.com/en/US/products/hw/switches/ps663/products _configuration_guide_chapter09186a00800e47e1.html#1020847.