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Cisco Bug: CSCte35569 - DOC BUG: ASA configuration guide: Policy Static Nat guide is misleading

Last Modified

Nov 08, 2016

Products (2)

  • Cisco ASA 5500-X Series Firewalls
  • Cisco ASA 5580 Adaptive Security Appliance

Known Affected Releases


Description (partial)

In the ASA configuration guide under the Policy Static Nat section (figure 19-11) it states:

Figure 19-11 shows a remote host connecting to a translated host. The translated host has a policy static NAT translation that translates the real address only for traffic to and from the network. A translation does not exist for the network, so the translated host cannot connect to that network, nor can a host on that network connect to the translated host. 

Because of bug/feature request: CSCso79009 this is incorrect and we do NOT prevent the traffic because of non existent translation.

The translation does NOT check the destination in the access-list for the Policy NAT, and hence does create the translation, and the traffic is allowed.

Configuration guides for ASA.
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