JN0-351 · Question #59
You have configured a GRE tunnel. To reduce the risk of dropping traffic, you have configured a keepalive OAM probe to monitor the state of the tunnel; however, traffic drops are still occurring…
The correct answer is D. The hold-time value must be two times the keepalive-time value. For GRE tunnel keepalive to function properly, the hold time should be set to at least twice the keepalive interval to ensure proper detection and recovery of the tunnel state. In the exhibit, both keepalive-time and hold-time are set to 10 seconds, which is not optimal. The…
Question
You have configured a GRE tunnel. To reduce the risk of dropping traffic, you have configured a keepalive OAM probe to monitor the state of the tunnel; however, traffic drops are still occurring. Referring to the exhibit, what is the problem?
Exhibit
Options
- AFor GRE tunnels, the OAM protocol requires that the BFD protocols also be used.
- BThe "event link-adjacency-loss" option must be set.
- CLLDP needs to be removed from the gr-1/1/10.1 interface.
- DThe hold-time value must be two times the keepalive-time value
How the community answered
(40 responses)- A3% (1)
- B3% (1)
- C10% (4)
- D85% (34)
Explanation
For GRE tunnel keepalive to function properly, the hold time should be set to at least twice the keepalive interval to ensure proper detection and recovery of the tunnel state. In the exhibit, both keepalive-time and hold-time are set to 10 seconds, which is not optimal. The hold-time should be at least double the keepalive-time value. So, to fix the issue, you should configure the hold-time to be 20 seconds or more.
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