MPLS VPN TopologiesInter-provider VPNs
PE4
Site-4
N4
PE6
Site-3
N3
PE5
PE1
Site-1
N1
PE3
Site-2
N2
PE2
PE-ASBR
PE-ASBR
iMBGP VPN-IPv4 updates exchanged between PEs
eMBGP for VPN-IPv4
iMBGP VPN-IPv4 updates exchanged between PEs
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