MPLS VPN TopologiesIntranet / Closed User Group

Site-1

VRFfor site-1

N1,NH=CE1N2,NH=PE2N3,NH=PE3

PE1

N1

Site-3

VPN-IPv4 updates exchanged between PEs

RD:N1, NH=PE1, Label=IntCE1, RT=REDRD:N2, NH=PE2, Label=IntCE2, RT=REDRD:N3, NH=PE3, Label=IntCE3, RT=RED

VRFfor site-3

N1,NH=PE1N2,NH=PE2N3,NH=CE3

Route-Target Export RED

Route-Target import RED

Site-2

N2

N3

PE3

PE2

VRFfor site-2

N1,NH=PE1N2,NH=CE2N3,NH=PE3

Route-Target Export RED

Route-Target Import RED

Route-Target Export RED

Route-Target Import RED

Site-2

N2

Site-1

N1

Site-3

N3

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