Chapter 23. Advanced IPv4 ACLs and Device Security

This chapter covers the following exam topics:

IP Services

Describe the types, features, and applications of ACLs

Sequence numbers

Editing

Extended

Named

Numbered

Configure and verify ACLs in a network environment

Named

Numbered

Configure and verify NTP as a client

Network Device Security

Configure and verify network device security features such as

Transport

Disable telnet

Physical security

Setting native VLAN to other than VLAN 1

Configure and verify ACLs to filter network traffic

Configure and verify an ACL to limit telnet and SSH access to the router

Troubleshoot and Resolve ACL issues

Statistics

Permitted networks

Direction

Interface

Cisco routers use IPv4 access control lists (ACL) for ...

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