tailieunhanh - Converting Private Link to IPSec

Private Link is no longer supported in the PIX Firewall starting with version . It is supported in version 4. The Private Link feature allows Virtual Private Networks (VPNs) to be established between PIX Firewalls that are connected to the same public network, such as the Internet. It enables incoming Private Link packets to bypass the Network Address Translation (NAT) and Adaptive Security Algorithm (ASA) features and terminate on the corresponding sending interface of the destination network. A sending interface is the interface from which the IPSec packet was sent from. For example, IPSec packets sent from a perimeter interface from one network would be terminated. | APPENDIX F Converting Private Link to IPSec This appendix is intended for the Private Link users who are migrating from the PIX Firewall Private Link feature to the IPSec feature. This section describes the main differences between the Private Link commands and the corresponding IPSec commands and provides a procedure for how to convert a Private Link configuration into an IPSec configuration using IKE to establish security associations. Private Link is no longer supported in the PIX Firewall starting with version . It is supported in version 4. The Private Link feature allows Virtual Private Networks VPNs to be established between PIX Firewalls that are connected to the same public network such as the Internet. It enables incoming Private Link packets to bypass the Network Address Translation NAT and Adaptive Security Algorithm ASA features and terminate on the corresponding sending interface of the destination network. A sending interface is the interface from which the IPSec packet was sent from. For example IPSec packets sent from a perimeter interface from one network would be terminated at the equivalent perimeter interface at the destination network. The PIX Firewall currently can simulate the Private Link inside termination with the use of the sysopt ipsec pl-compatible command but the termination on the inside interface is not a true termination. The use of the sysopt ipsec pl-compatible command allows IPSec packets to bypass the NAT and ASA features and enables incoming IPSec packets to terminate on the inside interface only after initially terminating on the outside interface. See the sysopt command in the Cisco PIX Firewall Command Reference for more information regarding the sysopt ipsec pl-compatible command. This section contains the following topics Basic Difference between Private Link and IPSec Private Link Versus IPSec Commands Private Link to IPSec Conversion Basic Difference between Private Link and IPSec IPSec is a more comprehensive .

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