HP 7000 dl Router Series Guide de l'utilisateur télécharger pdf (Page 732)

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SROS Command Line Interface Reference Guide PPP Interface Configuration Command Set

As shown in the diagram above, data coming into the product is first processed by the static filter

associated with the interface on which the data is received. This access-group is a true static filter and is

available for use regardless of whether the firewall is enabled or disabled. Next (if the data is encrypted) it

is sent to the IPSec engine for decryption. The decrypted data is then processed by the stateful inspection

firewall. Therefore, given a terminating VPN tunnel, only un-encrypted data is processed by the firewall.

The ACLs for a crypto map on an interface work in reverse logic to the ACLs for a policy-class on an

interface. When specifying the ACLs for a crypto map, the source information is the private local-side,

un-encrypted source of the data. The destination information will be the far-end, un-encrypted destination

of the data. However, ACLs for a policy-class work in reverse. The source information for the ACL in a

policy-class is the far-end. The destination information is the local-side.

Usage Examples

The following example applies all crypto maps with the name MyMap to the PPP interface:

(config-ppp 1)#crypto map MyMap

Interfaces (Ethernet, Frame Relay, PPP, local)

Static Filter

(in)

Static Filter

(out)

IPSec

Decrypt/Discard

IPSec

Encrypt

NAT/ACP/

Firewall

Router

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HP 7000 dl Router Series Guide de l'utilisateur Page 732

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