A Carrier Supporting Carrier (CSC) VPRN Is Configured on a Nokia

A Carrier Supporting Carrier (CSC) VPRN is configured on a Nokia 7750 SR for a customer carrier offering VPRN services. Which of the following about this configuration is FALSE?

A) In the CSC VPRN, configure an eBGP session between CSC-PE and CSC-CE and use the CLI command "advertise-label vpn-ipv4" to enable the advertisement of VPN-IPv4 routes.
B) When the customer carrier uses the same autonomous system number in various sites, use the CLI command "loop-detect off" to disable the loop detection functionality on CSC-CE and PE routers.
C) On the CS?-PE routers, use the CLI command "carrier-carrier-vpn" to configure the VPRN service as CSC.
D) Configure an iBGP session between PE1 and PE2 and use the CLI command "family vpn-ipv4" to directly exchange end-customer routes learned from CE1 and CE2.

Correct Answer:

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