Sunday, October 27, 2013

Controlling Bandwidth on an ASA: Traffic Policing and Shaping

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You can leverage two ASA features to control or limit the amount of bandwidth used by specific traffic flows: * Traffic policing * Traff...
Saturday, October 19, 2013

Configuring Virtual Firewall on an ASA

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Limitations Here are some important limitations regarding virtual firewalls on a Cisco ASA: * Key features that are unsupported on a Ci...
Saturday, October 12, 2013

Configuring Access Control List (ACL) on an ASA

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The access control list (ACL) is the very heart of every ASA device. The ASA provides an administrator with a full-featured set of access co...
Saturday, October 5, 2013

New NAT Options in IOS Versions 8.3 and Later

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* One significant change in NAT with software versions 8.3 and higher is that NAT control (enforcing use of NAT) is no longer a supported.  ...
Saturday, September 28, 2013

Configuring Dynamic Inside PAT on an ASA (pre-8.3)

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There are four pieces of information necessary for an ASA to perform NAT: * Original source IP address (and port) in the packet * Interf...
Saturday, September 14, 2013

Configure Syslog and Debug Facility on an ASA

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Most issues with remote management access appears in the ASA system logs (or to a remote syslog server). Use the show logging command or th...
Sunday, September 1, 2013

Configuring AAA Access Using Remote AAA Server (TACACS+)

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Configuring the use of  AAA authentication on the ASA is a three-step process:: Step 1: Create a AAA server group, if none already exists,...