What is the purpose of configuring multiple crypto ACLs when building a VPN connection between remote sites?
- By applying the ACL on a public interface, multiple crypto ACLs can be built to prevent public users from connecting to the VPN-enabled router.
- Multiple crypto ACLs can define multiple remote peers for connecting with a VPN-enabled router across the Internet or network.
- Multiple crypto ACLs can be configured to deny specific network traffic from crossing a VPN.
- When multiple combinations of IPsec protection are being chosen, multiple crypto ACLs can define different traffic types.
Explanation: A crypto ACL can define "interesting traffic" that is used to build a VPN, and forward that "interesting traffic" across the VPN to another VPN-enabled router. Multiple crypto ACLs are used to define multiple different types of traffic and utilize different IPsec protection corresponding to the different types of traffic.
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