Cisco
300-515 · Question #85
What do routers on the network use to avoid routing loops when OSPF is running as the PE-CE routing protocol on a service provider network?
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Layer 3 VPNs
Question
What do routers on the network use to avoid routing loops when OSPF is running as the PE-CE routing protocol on a service provider network?
Options
- Athe AS-Override feature
- Bthe DN bit with type 3, 5, or 7 LSA
- Cthe domain tag for type 2 LSA
- Dsham links to create a super backbone over the service provider network
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Topics
#OSPF#DN bit#MPLS VPN#Loop prevention