Problem Summary A new remote branch router was provisioned and onboarded using Cisco vManage. However, post boot-up, it failed to bring up any IPsec tunnels over VPN 0. The remote site couldn’t reach data center applications, even though the WAN link was physically UP and […]
![Ticket#16 – SD-WAN VPN 0 Down: Color Mismatch Between Transport Interfaces [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/07/Ticket16-–-SD-WAN-VPN-0-Down_Color-Mismatch-Between-Transport-Interfaces_networkjourney-1.png)