| Exam 200-125 | Question id=260 | WAN Technologies |
Which circumstances can cause a GRE tunnel to be in an up/down state?
| A. |
The tunnel interface IP address is misconfigured. | |
| B. |
The tunnel interface is down. | |
| C. |
A valid route to the destination address is missing from the routing table. | |
| D. |
The tunnel address is routed through the tunnel itself. | |
| E. |
The ISP is blocking the traffic. | |
| F. |
An ACL is blocking the outbound traffic. |