AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010 CLI-based Configuration Guide - VPN
This document describes VPN features on the device and provides configuration procedures and configuration examples.
This document describes VPN features on the device and provides configuration procedures and configuration examples.
Configuring a GRE Tunnel
This section describes how to configure a GRE tunnel on an IPv4 network.
Pre-configuration Tasks
Before configuring a GRE tunnel, complete the following task:
- Configuring a reachable route between the source and destination interfaces according to IP Unicast Routing Configuration Guide
Configuration Procedure
Perform the following operations in sequence to configure a GRE tunnel. You can determine whether to perform optional operations based on site requirements.
- Configuring a Tunnel Interface
- Configuring a Route on a Tunnel Interface
- (Optional) Configuring the Link Bridge Function
- (Optional) Configuring a Security Mechanism for GRE
- (Optional) Enabling the Keepalive Detection Function for GRE
- (Optional) Configuring Ethernet over GRE
- (Optional) Configuring Ethernet over mGRE
- (Optional) Configuring the DF Flag Bit for GRE Packets
- Verifying the GRE Tunnel Configuration
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