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CCNP Routing and Switching ROUTE 300-101 Official Cert Guide, Video Enhanced Edition by Kevin Wallace

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OSPFv3 Authentication

ImageLesson 7: OSPFv3 Authentication

OSPFv3 has no authentication field in its headers. So, rather than using any authentication mechanism natively built into OSPFv3, it relies on IPsec to provide authentication. Interestingly, IPsec is capable of encrypting messages in addition to authenticating them. The Authentication Header (AH) encapsulation type for IPsec provides authentication services, but no encryption, while Encapsulating Security Payload (ESP) provides both authentication and encryption services.

The ipv6 ospf authentication command enables the use of AH to provide authentication, while the ipv6 ospf encryption command ...

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