Types of IP ACLs
Cisco IOS has supported IP ACLs since the early days of Cisco routers. Beginning with the original standard numbered IP ACLs in the early days of IOS, which could enable the logic shown earlier around Figure 22-2, Cisco has added many ACL features, including:
Standard Numbered ACLs (1–99)
Lesson 2: Standard ACLs
Extended Numbered ACLs (100–199)
Lesson 3: Extended ACLs
Additional ACL Numbers (1300–1999 standard, 2000–2699 extended) ...
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