Name: Cisco Catalyst 2960-XR
Brand: Cisco
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Switch(config-ext-nacl)# deny tcp host 171.69.2.88 any eq telnet

IPv4 ACL Configuration Examples

This section provides examples of configuring and applying IPv4 ACLs. For detailed information about

compiling ACLs, see the Cisco IOS Security Configuration Guide, Release 12.4 and to the Configuring IP

Services” section in the “IP Addressing and Services” chapter of the Cisco IOS IP Configuration Guide, Release

12.4.

ACLs in a Small Networked Office

This shows a small networked office environment with routed Port 2 connected to Server A, containing benefits

and other information that all employees can access, and routed Port 1 connected to Server B, containing

confidential payroll data. All users can access Server A, but Server B has restricted access.

Figure 5: Using Router ACLs to Control Traffic

Use router ACLs to do this in one of two ways:

•

Create a standard ACL, and filter traffic coming to the server from Port 1.

•

Create an extended ACL, and filter traffic coming from the server into Port 1.

Catalyst 2960-XR Switch Security Configuration Guide, Cisco IOS Release 15.0(2)EX1

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Configuring IPv4 ACLs

IPv4 ACL Configuration Examples

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