Juniper JUNOSE, Configuration Manual

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Figure 82: Site Connectivity in a Full-Mesh VPN ..........................................400
Figure 83: Route Target Configuration for a Full-Mesh VPN .........................401
Figure 84: Site Connectivity in a Hub-and-Spoke VPN .................................401
Figure 85: Route Target Configuration for a Hub-and-Spoke VPN ................402
Figure 86: Site Connectivity in an Overlapping VPN ....................................402
Figure 87: Route Target Configuration for an Overlapping VPN ...................403
Figure 88: Overlapping VPNs on a Single PE ...............................................403
Figure 89: Fully Meshed VPNs .....................................................................418
Figure 90: Hub-and-Spoke VPN ...................................................................420
Figure 91: Import and Export Maps .............................................................421
Figure 92: Configuring Static Routes ............................................................430
Figure 93: BGP/MPLS VPN IBGP Example ....................................................435
Figure 94: BGP/MPLS VPN EIBGP Example ..................................................436
Figure 95: PE-to-CE Session .........................................................................438
Figure 96: Network with Potential Routing Loops ........................................443
Figure 97: Preventing Potential Routing Loops in the Network ....................444
Figure 98: Allowing Local AS in VPNv4 Address Family ...............................445
Figure 99: Topology for Fast Reconvergence by Means of Unique VRF RDs,
Before Tunnels Go Down ......................................................................450
Figure 100: Topology for Fast Reconvergence by Means of Reachability
Checking, After Tunnels Go Down ........................................................451
Figure 101: Static Default Route for Internet Access ....................................457
Figure 102: Fallback Global Option ..............................................................458
Figure 103: Global Import Map Applied to Routes Imported from VRF BGP
RIB ........................................................................................................459
Figure 104: BGP Session Between CE Router and Parent VR .......................460
Figure 105: Static Route to Shared IP Interface ...........................................462
Figure 106: Global Export Map Applied to Routes Exported from VRF BGP
RIB ........................................................................................................463
Figure 107: Carrier-of-Carriers Internet Service ...........................................465
Figure 108: Carrier-of-Carriers VPN Service .................................................467
Figure 109: Carrier-of-Carrier IPv6 VPNs .....................................................469
Figure 110: IPv6 Tunneled over MPLS-IPv4 .................................................470
Figure 111: IPv6 Tunneled Across IPv4 Domains ........................................471
Figure 112: OSPF Topology with Backdoor Link ..........................................476
Figure 113: OSPF Sham Link .......................................................................478
Part 3 Layer 2 Services Over MPLS
Chapter 6 Layer 2 Services over MPLS Overview 503
Figure 114: Layer 2 Services over a Provider’s MPLS Network ....................504
Figure 115: Common ISP Network ..............................................................509
Figure 116: E Series Router Replacing Remote ATM Switch ........................510
Figure 117: AAL5 Pseudowire and MPLS Tunnel .........................................510
Figure 118: CE-Side MPLS L2VPN Tunnel over LAG .....................................515
Chapter 7 Configuring Layer 2 Services over MPLS 523
Figure 119: Local Cross-Connect Between Ethernet/VLAN Interfaces ...........527
Figure 120: CE-Side Load-Balancing Topology .............................................536
Figure 121: Sample Frame Relay over MPLS Configuration .........................538
List of Figures
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List of Figures