In an ADVPN (Auto-Discovery VPN) network, a dynamic VPN tunnel is established on-demand between spokes to optimize traffic flow and reduce latency.
Process:
1. Traffic Initiation:
A client behind Spoke-1 sends traffic to a device behind Spoke-2.
The traffic initially flows through the hub, following the pre-established overlay tunnel.
2. Hub Detection:
The hub detects that Spoke-1 is communicating with Spoke-2 and determines that a direct shortcut tunnel between the spokes can optimize the connection.
3. Shortcut Offer:
The hub sends a " Shortcut Offer " message to Spoke-1, informing it that a direct dynamic tunnel to Spoke-2 is possible.
4. Tunnel Establishment:
Spoke-1 and Spoke-2 then negotiate and establish a direct IPsec tunnel for communication.
Contribute your Thoughts:
Chosen Answer:
This is a voting comment (?). You can switch to a simple comment. It is better to Upvote an existing comment if you don't have anything to add.
Submit