This document introduces how to set up a GRE tunnel between a Cisco and a Vigor Router, and configure the GRE Tunnel IP address on both sides. GRE tunnel is supported on DrayOS with firmware version 3.8.2 or later.
1. Create a GRE Tunnel Interface on Cisco:
>2. Add a route to Vigor Router's network to be sent to the GRE Tunnel Interface
3. On Vigor Router, go to VPN and Remote Access >> LAN to LAN to create a profile as follows:
4. In GRE Settings:
5. In TCP/IP Network Settings:
After the tunnel is up, from a computer on the Vigor Router's LAN, we will be able to ping the 192.168.11.0/24 network.
The GRE interface's IP address is also reachable.
>In fact, by “tracert” command, we will see the packets are sent to the GRE interface's IP address first.
Published On: Jan 28, 2016
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