GRE and Multipoint VPNs Feature Overview and Configuration Guide (2024)

This guide describes Generic Routing Encapsulation (GRE) and its configuration. GRE is a mechanism for encapsulating any network layer protocol over any other network layer protocol. GRE can be used in point-to-point mode to provide a VPN between two sites.

See Also
Exam JN0-349 topic 1 question 16 discussionWhat is Generic Routing Encapsulation (GRE)?Top 5 Network Routing Protocols ExplainedBGP vs. OSPF: When to use each protocol | TechTarget

Additionally, GRE can be used for Multipoint Virtual Private Networks (VPNs) using GRE in point-to-multipoint mode. Multipoint VPNs simplify configuration and allow a single tunnel interface to have multiple endpoints. For example, this means that only a single virtual tunnel interface configuration is required in a main office to connect to all other remote offices.

See Also
CEC Juniper Community

This guide describes Generic Routing Encapsulation (GRE) and its configuration on AlliedWare Plus.

GRE and Multipoint VPNs Feature Overview and Configuration Guide (2024)
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