An engineer is troubleshooting network issues and wants to check the Layer 2 connectivity between routers. Which command must be run?
A. show cdp neighbor
B. show ip eigrp neighbors
C. show crypto ipsec sa
D. show crypto isakmp sa
An engineer is troubleshooting network issues and wants to check the Layer 2 connectivity between routers. Which command must be run?
A. show cdp neighbor
B. show ip eigrp neighbors
C. show crypto ipsec sa
D. show crypto isakmp sa