多选题Which three choices are BGP Extended communities used in MPLS-VPN deployment?()ASite Of Origin SOOBRoute-TargetCRoute-DistinguisherDDomain Identifier BGP extended commumity

多选题
Which three choices are BGP Extended communities used in MPLS-VPN deployment?()
A

Site Of Origin SOO

B

Route-Target

C

Route-Distinguisher

D

Domain Identifier BGP extended commumity


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