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300-510 · Question #7
300-510 Question #7: Real Exam Question with Answer & Explanation
The correct answer is D: Verify the MPLS LSPs.. CE1 won't be able to talk to CE2 in case underlying MPLS LSP is failed.
Service Provider VPN Services
Question
Refer to the exhibit. CE1 and CE2 cannot communicate through the service provider BGP peering is established between PE1 and PE2. IS-IS is the only routing protocol running in the service provider core. What step can be done to troubleshoot the issue?
Options
- ASwitch the IGPs running in the core from IS-IS to OSPF to support a Cisco MPLS TE tunnel from
- BConfigure BGP between CE and PE routers.
- CConfirm that IS-IS is running with metric-style narrow.
- DVerify the MPLS LSPs.
Explanation
CE1 won't be able to talk to CE2 in case underlying MPLS LSP is failed.
Topics
#MPLS L3VPN#Troubleshooting#LSP#Service Provider
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