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CCIE Practical Studies: Security (CCIE Self-Study) by Raymond Morrow, Andrew G. Mason, Dmitry Bokotey

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ACLs on the IOS Router and the Catalyst 3550 Switch

You can select from many different types of ACLs when implementing them on the Cisco IOS series of devices. Cisco IOS Software uses ACLs for its traffic-filtering implementation with both a basic and advanced ACL capability, as follows:

  • Basic ACLs— Filter traffic based on source and destination address and protocol type of each packet

  • Advanced ACLs— Provide you with a means to configure sophisticated and dynamic traffic-filtering capabilities for a stronger, more flexible network security

The Catalyst 3550 also has a rich selection of ACLs that you can configure. Like ACLs in IOS software, the ACLs that are used by the 3550 allow you to filter traffic depending on your individual needs. The ...

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