Cisco
200-301 · Question #504
An engineer configures interface Gi1/0 on the company PE router to connect to an ISP Neighbor discovery is disabled. Which action is necessary to complete the configuration if the ISP uses…
The correct answer is A. Enable LLDP globally. LDDP-MED is used only between network devices (such as switches) and endpoint devices (such as phones). For network-to-network connections, LLDP is used. Check table 2, protocol uses:
Submitted by hassan_iq· Mar 5, 2026
Question
An engineer configures interface Gi1/0 on the company PE router to connect to an ISP Neighbor discovery is disabled. Which action is necessary to complete the configuration if the ISP uses third-party network devices?
Options
- AEnable LLDP globally
- BDisable autonegotiation
- CDisable Cisco Discovery Protocol on the interface
- DEnable LLDP-MED on the ISP device
How the community answered
(57 responses)- A72% (41)
- B4% (2)
- C9% (5)
- D16% (9)
Explanation
LDDP-MED is used only between network devices (such as switches) and endpoint devices (such as phones). For network-to-network connections, LLDP is used. Check table 2, protocol uses:
Topics
#LLDP#CDP#Neighbor discovery#Interface configuration
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