68 GRE and IPIP tunneling fundamentals
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Copyright © 2007, Nortel Networks
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RFC 2784, Generic Routing Encapsulation (GRE)
RFC 2890, Key and Sequence Number Extensions to GRE
RFC 2893, Transition Mechanisms for IPv6 Hosts and Routers
RFC 3056, Connection of IPv6 Domains via IPv4 Clouds
Nortel Secure Router 4134
Security — Configuration and Management
NN47263-600 01.02 Standard
10.0 3 August 2007