The GRE tunnel between R3 and Branch1 is down. Which cause of the issue is true?
A. The tunnel source loopback0 interface is not advertised into EIGRP in Branch1
B. The tunnel source loopback0 interface is not advertised into EIGRP in R3
C. The EIGRP neighbor relationship was not formed due to EIGRP packets blocked by inbound ACL on R3
D. The EIGRP neighbor relationship was not formed due to the IP address being misconfigured between the R2 and R3 interfaces.
Answer:C
The GRE tunnel between R3 and Branch1 is down. Which cause of the issue is true?
A. The tunnel source loopback0 interface is not advertised into EIGRP in Branch1 B. The tunnel source loopback0 interface is not advertised into EIGRP in R3 C. The EIGRP neighbor relationship was not formed due to EIGRP packets blocked by inbound ACL on R3 D. The EIGRP neighbor relationship was not formed due to the IP address being misconfigured between the R2 and R3 interfaces.