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300-420 · Question #16
300-420 Question #16: Real Exam Question with Answer & Explanation
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WAN for Enterprise Networks
Question
Which common issue causes intermittent DMVPN tunnel flaps?
Options
- Aa routing neighbor reachability issue
- Ba suboptimal routing table
- Cinterface bandwidth congestion
- Dthat the GRE tunnel to hub router is not encrypted
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Topics
#DMVPN#VPN troubleshooting#Routing stability#Tunneling