On Day 10, “ACL Concepts,” we reviewed ACL concepts. Today we focus on the configuration, verification, and troubleshooting of IPv4 and IPv6 ACLs.
Configuring Standard Numbered IPv4 ACLs
Standard IPv4 ACLs, which are numbered ACLs in the ranges 1 to 99 and 1300 to 1999 or are named ACLs, filter packets based on a source address and mask. They permit or deny the entire TCP/IP protocol suite. Configuring an ACL requires two steps:
Step 1. Create the ACL.
Step 2. Apply the ACL.
Let’s use the simple topology in Figure 9-1 to demonstrate how to configure both standard and extended IPv4 ACLs.
Figure 9-1 IPv4 ACL Configuration Topology ...
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