For MPLS inter-AS Option B, how many labels are associated with packet forwarding between the VPNv4 ASBR neighbors?
A. 0
B. 1
C. 2
D. 3
For MPLS inter-AS Option B, how many labels are associated with packet forwarding between the VPNv4 ASBR neighbors?
A. 0
B. 1
C. 2
D. 3