Cisco 3.6.6 - Manuals

ix Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Preface Note Means reader take note . Notes contain helpful suggestions or references to material not covered in the publication. Tip Means the following information will help you solve a problem . Caution Means reader be careful ...

C H A P T E R 1-1 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 1 Viewing MPLS VPNs The following topics provide an overview to Multiprotocol Label Switching (MPLS) virtual private network (VPN) technologies displayed by Cisco Active Network Abstraction (Cisco ANA) including the...

1-2 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 1 Viewing MPLS VPNs MPLS VPN Maps Overview • Policy-Based Tunnel Selection (PBTS) for Cisco CRS-1 routers running Cisco IOS XR 3.6 software in MPLS or MPLS VPN networks. • Open Shortest Path First (OSPF). MPLS VPN Maps Ov...

1-3 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 1 Viewing MPLS VPNs VPN Topology Connections Layer 3 VPN Business Configuration The following business elements represent a Layer 3 VPN configuration: • Site (IP Interface)—Represents the VPN access point on the provider ...

1-5 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 1 Viewing MPLS VPNs VPN Topology Connections Layer 3 VPN Map The Layer 3 VPN service view map presents existing Layer 3 VPNs in the network. At the top level, you can see inter-VPN (extranet) connections. Drilling down in...

1-8 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 1 Viewing MPLS VPNs VPN Topology Connections Map Pane The Cisco ANA NetworkVision map pane displays the VPN business elements and aggregated business elements loaded in the service view map, along with the names of the bu...

C H A P T E R 2-1 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 2 Managing MPLS VPN Maps The following topics tell you how to change service view maps by adding and removing VPNs and connecting CE devices. They also tell you how to create and dissolve aggregations. Topics includ...

2-2 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 2 Managing MPLS VPN Maps Removing a VPN from a Map • VPNs that you manually created that are not yet loaded in the map. Step 3 Select the VPN that you want to add to the map. Tip Press Shift or Ctrl to choose multiple adj...

2-3 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 2 Managing MPLS VPN Maps Disconnecting a CE Device Note Device alarm tickets do not appear in the ticket pane of the Cisco ANA NetworkVision workspace until the device is added to the VPN service view map. Step 5 Click Cl...

2-4 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 2 Managing MPLS VPN Maps Creating an Aggregated Node The connected CE devices are hidden in the tree and map panes. Table 2-1 shows the displayed icons. You can also manually remove the connected devices (some or all them...

C H A P T E R 3-1 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 3 Managing VPN Business Configurations The following topics tell you how to change business configurations using the functionality provided in service view maps. For more information about business configurations, s...

3-3 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 3 Managing VPN Business Configurations Moving a Virtual Router Moving a Virtual Router You can move a virtual router (including its sites) from one VPN to another after you create a VPN and add it to the service view map....

3-4 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 3 Managing VPN Business Configurations Removing a Tunnel Figure 3-1 Add Tunnels Dialog Box Step 2 Select the tunnel or stranded peer and click Add . One of the following occurs: • If the tunnel or stranded peer is added u...

3-5 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 3 Managing VPN Business Configurations Creating an LCA Creating an LCA You can manually create an LCA and populate it by moving LCPs and tunnels to it. Refer to the “Moving an LCP” section on page 3-6 and the “Adding a Tu...

3-6 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 3 Managing VPN Business Configurations Moving an LCP Moving an LCP You can move an LCP to another VPN or LCA in the service view map. To move an LCP: Step 1 In the Cisco ANA NetworkVision tree or map pane, right-click the...

3-7 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 3 Managing VPN Business Configurations Deleting a Business Element Deleting a Business Element You can delete business elements from the business model (database). However, if you delete a business element from the databa...

C H A P T E R 4-1 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 4 Viewing MPLS VPN Properties The following topics tell you how to use Cisco ANA to view the properties of VPNs, sites, virtual routers, and VRF instances. Topics include: • Viewing VPN Properties, page 4-1 —Tells y...

4-2 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 4 Viewing MPLS VPN Properties Viewing Virtual Router Properties Step 2 In the Router IP Interface Properties window, view the following site properties: • Name—The name of the site; for example, ATM4/0.100(10.0.0.1) is a ...

4-5 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 4 Viewing MPLS VPN Properties Viewing VRF Properties in the Inventory Window Note You can also open a VRF table by right-clicking the virtual router in the Cisco ANA NetworkVision tree or map pane and selecting Open VRF T...

4-7 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 4 Viewing MPLS VPN Properties Working with the VPN Service Overlay Working with the VPN Service Overlay In addition to network and service view maps, you can select and display an overlay of a specific VPN on top of the d...

4-8 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 4 Viewing MPLS VPN Properties Working with the VPN Service Overlay • Overlay information, such as link and layer details • Callouts for the VPN network Displaying or Hiding Overlays You can quickly display or hide a previ...

C H A P T E R 5-1 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 5 Viewing MPLS Logical Inventory The following topics describe the device logical inventory specific to MPLS VPNs including routing entities, LSEs, BGP neighbors, Multiprotocol BGP (MP-BGP), VRF instances, and pseud...

5-4 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Viewing MPLS Logical Inventory Viewing MPLS VPN Properties Viewing Routing Entities The Routing Entity logical inventory branch displays the following routing entity information: • Changes Number—The number of changes t...

5-5 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Viewing MPLS Logical Inventory Viewing MPLS VPN Properties • Routing Protocol—The routing protocol used to communicate with other routers. • Sending Alarms—This option is currently unavailable. • Outgoing Interface Name...

5-6 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Viewing MPLS Logical Inventory Viewing MPLS VPN Properties Viewing a Label Switched Entity The LSEs logical inventory branch displays incoming and outgoing label information. The Label Switching Properties window might ...

5-7 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Viewing MPLS Logical Inventory Viewing MPLS VPN Properties Traffic Engineering LSPs Tab The Traffic Engineering LSPs tab describes the MPLS traffic engineering Label Switched Paths (LSPs) provisioned on the switch entit...

5-9 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Viewing MPLS Logical Inventory Viewing MPLS VPN Properties Viewing MP-BGP Information The MP-BGP branch displays information about a router’s BGP neighbors. Clicking the high-level MP-BGP category displays the following...

5-11 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Viewing MPLS Logical Inventory Viewing Port Configuration • Sending Alarms—This option is currently unavailable. • Outgoing Int Name—The name of the outgoing interface; displayed if the Routing Protocol type is local. ...

5-12 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Viewing MPLS Logical Inventory Viewing Pseudowire End-to End Emulation Tunnels • Mask—The details of the dotted decimal mask. • VC—If the subinterface is defined above an ATM or Frame-Relay physical interface and it us...

5-13 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Viewing MPLS Logical Inventory Viewing MPLS TE Tunnel Information • Tunnel ID—The identifier that, along with the router IP addresses of the two tunnel edges, identifies the PWE3 tunnel. • Peer Router IP—The IP of the ...

5-14 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Viewing MPLS Logical Inventory Viewing Access List Information The Traffic Engineering LSPs Label Switching sub-branch displays the TE tunnel LSP information. Devices that have LSPs running TE tunnels (either as a head...

6-2 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS 6VPE Overview 6VPE Overview Figure 6-1 illustrates the 6VPE network architecture and control plane protocols when two IPv6 sites communicate through an MPLS IPv4 backbone. Figure 6-1 6VPE Network Arch...

6-3 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Viewing IPv4 and IPv6 Addresses Viewing IPv4 and IPv6 Addresses Cisco ANA transparently handles IPv4 and IPv6 addresses within the limitations described in the “Cisco ANA 6VPE Support Limitations” sec...

6-5 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Cisco ANA 6VPE Support Limitations Figure 6-3 Port with IPv6 Addresses Cisco ANA 6VPE Support Limitations Cisco ANA 6VPE support is limited to devices and software versions shown in Table 6-2 . In add...

6-6 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS IPv6 Addressing • The Cisco ANA NetworkVision VRF table does not display IPv6 VRF routing information. • If an interface or subinterface does not have an IPv4 or IPv6 IP address, the interface is not ...

6-7 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS IPv6 Addressing In mixed IPv4 and IPv6 address nodes, the format x:x:x:x:x:x:d.d.d.d is sometimes used where x is the hexadecimal values of the six high-order 16-bit address pieces, and d is the decim...

6-8 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Provisioning Route Targets If a prefix length is not explicitly specified, it is calculated as the number of furthest left significant bits in the subnet address. Provisioning Route Targets Cisco ANA ...

6-12 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Provisioning Route Targets Use the following procedures to enable IPv6 VRFs and add or delete route targets with IPv4 and IPv6 address families: • Enabling IPv6 VRFs, page 6-12 • Adding Route Targets...

6-13 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Provisioning Route Targets Step 5 If you want to preview the route target, click Preview . The Result tab displays the commands that will be executed on the device. Step 6 Click Execute . The Result ...

C H A P T E R 7-1 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 7 MPLS Network Faults The following topics describe the alarms that Cisco ANA detects and reports for MPLS, LSP, LDP, BGP, TE tunnels, and Layer 2 VPNs. Topics include: • MPLS Network Alarms Overview, page 7-1 —Prov...

7-2 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 7 MPLS Network Faults BGP Neighbor Loss Alarm BGP Neighbor Loss Alarm If BGP connectivity is lost to a specific device in an MPLS VPN network, VPN sites lose connectivity. The VNE models the BGP connection between routers...

7-3 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 7 MPLS Network Faults BGP Process Down Alarm The BGP Neighbor Loss alarm is detected actively by the system and service alarms are generated. The system also supports BGP neighbor down syslogs. When the VNE BGP component ...

7-4 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 7 MPLS Network Faults LDP Neighbor Down Alarm Figure 7-1 Example of an MPLS Black Hole Scenario In this case, Cisco ANA does the following: • Identifies untagged label switching entries on P2 and PE3. • Issues MPLS Black ...

7-5 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 7 MPLS Network Faults MPLS Black Hole Found Alarm If a session to an LDP neighbor goes down, an LDP Neighbor Down alarm is issued. This can happen as the result of a failure in the TCP connection used by the LDP session, ...

7-6 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 7 MPLS Network Faults Pseudo Wire MPLS Tunnel Down Alarm For Cisco CRS-1 routers running Cisco IOS XR 3.6 software and using PBTS in MPLS or MPLS VPN networks, Cisco ANA supports the following ubalarms for the MPLE TE Tun...

C H A P T E R 8-1 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 8 Impact Analysis in MPLS Networks The following topics provide an overview of the service impact analysis solution and supported scenarios, which are used in VPN networks that are based on MPLS, including Layer 3 a...

8-2 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 8 Impact Analysis in MPLS Networks Service Impact Analysis For MPLS-Based VPN Services Note The reported impact severities vary between fault scenarios. For more information about specific support for each fault scenario,...

8-3 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 8 Impact Analysis in MPLS Networks Supported Fault Scenarios Figure 8-1 shows an example with two PEs, A and B, and a VRF in the same VPN. The Layer 3 VPN faults that are reported are AX – BX. Figure 8-1 Layer 3 VPN Examp...

C H A P T E R 9-1 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 9 Using Cisco ANA PathTracer in MPLS Networks The following topics describe how you can use the Cisco ANA PathTracer for Layer 2 and Layer 3 VPNs, and for MPLS TE tunnels: • Cisco ANA PathTracer Tracing Capability, ...

9-2 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 9 Using Cisco ANA PathTracer in MPLS Networks Using Cisco ANA PathTracer in MPLS Networks Cisco ANA PathTracer enables you to view multiple paths between the source and the destination (or from a source to number of desti...

9-3 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 9 Using Cisco ANA PathTracer in MPLS Networks Cisco ANA PathTracer Windows Cisco ANA PathTracer Endpoints If you choose the Start Here option, Table 9-2 lists the endpoints that can be selected as a path destinations. The...

9-6 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 Chapter 9 Using Cisco ANA PathTracer in MPLS Networks Using Cisco ANA PathTracer for Layer 3 VPN Using Cisco ANA PathTracer for Layer 3 VPN Cisco ANA Path Tracer uses VRF routing and label switching information to trace the path ...

IN-1 Cisco Active Network Abstraction 3.6.6 MPLS User Guide OL-19192-01 I N D E X Numerics 6VPE, and Cisco ANA 6-3 6VPE, network architecture 6-2 6VPE, overview 6-2 6VPE, support limitations 6-5 A access lists, viewing 5-14 Address family, assigning using Cisco ANA NetworkVision 6-8 Add route target...