Cisco Systems 3.6.6 manuale d’uso

Americas Headquarters Cisco Systems, In c. 170 West Tasman Drive San Jose, CA 951 34-1706 USA http://www.ci sco.com Tel: 408 526-4000 800 553-NETS (638 7) Fax: 408 527-0883 Cisco A ctiv e Netw ork Abstraction 3.6.6 MPLS User Guide July 1 0, 20 09 Text Part Number: OL -19192-01[...]

THE SPECIFICATION S AND INFORMATION REGARDING TH E PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS , INFORMATION, AND RECOMMENDATI ONS IN THI S MANUAL ARE BE LIEVED TO BE A CCURATE BUT ARE PRESENTED WI THOUT WARRANTY OF ANY KIND, EX PRESS OR IMPLIED. USERS MUST TAKE FULL RESPO NSIBILITY FOR THEIR APPLICATION OF ANY PROD[...]

iii Cisco Active Ne twork Abstract ion 3.6.6 MPLS User Gu ide OL-19192-01 CONTENTS Preface vii Organization vii Related Documentation viii Conventi ons viii Obtaining Documentation and Submitting a Serv ice Request ix CHAPTER 1 Viewing MPLS VPNs 1-1 Supported MPLS and VPN Technologies and Routing Protocols 1-1 MPLS VPN Maps Overv iew 1-2 VPN Busine[...]

Contents iv Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Creating a n LCA 3-5 Moving an LCA 3-5 Deleting an LCA 3-5 Moving an LCP 3-6 Jumping to an Adjacent LCP 3-6 Renaming a Business Element 3-6 Deleting a Business Element 3-7 CHAPTER 4 Viewing MPLS VPN Properties 4-1 Viewing VPN Properties 4-1 Viewing Site Properties 4-1 [...]

Contents v Cisco Active Ne twork Abstract ion 3.6.6 MPLS User Gu ide OL-19192-01 Viewing Access List Information 5-14 CHAPTER 6 IPv6 VPN over MPLS 6-1 6VPE Overview 6-2 Viewing IPv4 and IPv6 Addresses 6-3 Cisco ANA 6VPE Support Limitations 6-5 IPv6 Addressing 6-6 IPv6 Address Representation 6-6 IPv6 Address Prefix Text Representation 6-7 Provisioni[...]

Contents vi Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 CHAPTER 9 Using Cisco ANA Pa thTracer in MPLS Networks 9-1 Cisco ANA PathTracer Tracing Ca pability 9-1 Using Cisco ANA PathTracer in MPLS Networks 9-2 Cisco ANA PathTracer Starting Points 9-2 Cisco ANA PathTracer Endpoints 9-3 Cisco ANA PathTracer Windows 9-3 Using Ci[...]

vii Cisco Active Ne twork Abstract ion 3.6.6 MPLS User Gu ide OL-19192-01 Preface This guide describes ho w you can use Cisco A ctiv e Netw ork Abstraction (Ci sco ANA ) to monitor an d manage n etworks us ing Mult iprotoco l Label Sw itchin g (MPLS), and how to monito r and manage V irtual Pri vat e Networks (VPNs) r un ov er MPLS networks. The gu[...]

viii Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Preface Related Documentation For more detail ed information, see the follo w ing publications: • Cisco Active Network Abstraction 3.6.6 User Guide • Cisco Active Network Abstraction 3.6.6 Administrat or User Guide Conventions This document uses the f ollo wing con ventio[...]

ix Cisco Active Ne twork Abstract ion 3.6.6 MPLS User Gu ide OL-19192-01 Preface Note Means reader take note . Notes contain helpful suggestions or references to material not co vered in the publication. Ti p Means the following i nformation will help yo u solve a pr oblem . Caution Means reader be car eful . In this situation, you might perform an[...]

x Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Preface[...]

CH A P T E R 1-1 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 1 Viewing MPLS VPNs The follo wing topics pro vide an ov ervie w to Multiprotocol Label Swit ching (MPLS) virtual pri vate network (VPN ) technologies displayed b y Cisco Ac ti ve Network Abstraction (Cisco AN A) including the MPLS servic e view , busine ss config[...]

1-2 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 1 Viewing MPLS VPNs MPLS VPN Maps Overview • Policy-Based T unnel Selection (PBTS) for Cisco CRS-1 routers running Cisco IOS XR 3.6 softwa re in MPLS or MPLS VPN netw orks. • Open Shortest Path First (OSPF). MPLS VPN Maps Overview Cisco AN A automatically discove r[...]

1-3 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 1 Viewing MPLS VPNs VPN Topology Connection s Layer 3 VPN Business Configuration The follo wing b usiness elemen ts represent a Layer 3 VPN confi guration: • Site (IP Interface)—Represents the VPN acce ss point on the provider ed ge (PE) dev ice. • V irtual Route[...]

1-4 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 1 Viewing MPLS VPNs VPN Topology Connec tions Cisco AN A shows the actual tunnel state (up or do wn) for the Layer 2 logical link if disco vered. Th e link appears with a minor sev erity (yel low) when the tunnel is down. T able 1-1 sho ws common MPLS VPN topology map [...]

1-5 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 1 Viewing MPLS VPNs VPN Topology Connection s Layer 3 VPN Map The Layer 3 VPN service view map pres ents exist ing Layer 3 VPNs in the netw ork. At the top le vel, you can see inter-VPN (extranet) connections. Drilling do wn into each VPN presents the service view map,[...]

1-6 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 1 Viewing MPLS VPNs VPN Topology Connec tions Figure 1-2 sh ows an example of t he Cisco AN A NetworkV ision window with an open ser vice view map. Figur e 1 -2 Cisco AN A Networ kVision Window The Cisco AN A NetworkV ision window is divi ded into three areas or panes:[...]

1-7 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 1 Viewing MPLS VPNs VPN Topology Connection s Tree Pane The Cisco AN A NetworkV ision tree pane displays th e VPN b usiness elements in a tree and branch represent ation. Each b usiness e lement is repr esented b y an icon i n a color th at reflects th e highest al arm[...]

1-8 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 1 Viewing MPLS VPNs VPN Topology Connec tions Map Pane The Cisco AN A NetworkV ision map pa ne displays the VPN busi ness el ements and aggre gated b usiness elements loaded in the servi ce view map, along with the names of t he business el ements. In addition, the map[...]

CH A P T E R 2-1 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 2 Managing MPLS VPN Maps The follo wing topics tell you ho w to change service vie w maps by adding an d removing VPNs and connecting CE de vices. They also tell you ho w to create and dissolve aggreg ations. T opics include: • Adding a VPN to a Map, page 2-1 ?[...]

2-2 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 2 Manag ing MPLS VPN M aps Removing a VPN fro m a Map • VPNs that you manually created that are n ot yet loaded in the map. Step 3 Select the VPN that you want to add to the map. Ti p Press Shift or Ctrl to choose multiple adjoining or non adjoining VPNs. Step 4 Clic[...]

2-3 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 2 Managing MPLS VPN Maps Disconnecting a CE Device Note Device alar m tickets do not appear in the ti cket pane of the Cisco AN A NetworkV ision workspace until the de vice is added to the VPN service view map. Step 5 Click Close to close the De vice List dialog box. S[...]

2-4 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 2 Manag ing MPLS VPN M aps Creating an Ag gregated Node The connected CE devices are hidd en in the tree and map panes. Ta b l e 2 - 1 shows the displayed icons. Y ou can also manually remove t he connected de vices (s ome or all them) in order to hide them along wit h[...]

2-5 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 2 Managing MPLS VPN Maps Disaggregating an Aggr egated Node Step 3 Click Ye s . The node is separated into its parts.[...]

2-6 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 2 Manag ing MPLS VPN M aps Disaggregating an Aggregated Nod e[...]

CH A P T E R 3-1 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 3 Managing VPN Business Configurations The follo wing topics t ell you ho w to change b usiness conf igurations using the functionality provided in service vie w maps. For more informati on about business conf igurations, see VPN Business Config urations, page 1-2[...]

3-2 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 3 Managing VPN Business Configurations Creating a VPN Step 4 In the Create VPN dialog box, enter the following: • Name—Enter a unique name for the n ew VPN. Note VPN business element names are case sensitiv e. • Icon—If you want to use a cu stom icon for the VP[...]

3-3 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 3 Managing VPN Busi ness Configurations Moving a Virtual Router Moving a Virtual Router Y o u can move a virtual router (including its sites) from one VPN to another af ter you create a VPN and add it to the service vie w map. Note Moving a virtual router move s all of[...]

3-4 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 3 Managing VPN Business Configurations Removing a Tunnel Figur e 3-1 Add T u nnels Dialog Bo x Step 2 Select the tunnel or stranded peer and click Add . One of the follo wing occurs: • If the tunnel or stranded peer is added under an LCA, the link between the peers a[...]

3-5 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 3 Managing VPN Busi ness Configurations Creating an LCA Creating an LCA Y ou 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 T unnel to a VPN” section on p age 3-3[...]

3-6 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 3 Managing VPN Business Configurations Moving an LCP Moving an LCP Y o u can move an LCP to another VPN or LCA in the servic e vie w map. T o m ove a n L CP : Step 1 In the Cisco AN A NetworkV ision tree or map pane, right-click the LCA and choose Edit > Move select[...]

3-7 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 3 Managing VPN Busi ness Configurations Deleting a Busin ess Element Deleting a Business Element Y o u can dele te business elements from the business mo del (database). Howe ver , if you delete a business element from the database, it can no longer be view ed in the A[...]

3-8 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 3 Managing VPN Business Configurations Deleting a Business Ele ment[...]

CH A P T E R 4-1 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 4 Viewing MPLS VPN Properties The follo wing topics tell you ho w to use Cisco ANA to v ie w the properties of VPNs, sites, virtual routers, and VRF instances. T opics include: • V iewing VPN Properties, page 4 -1 —T ells you h o w to view VPN propert ies. •[...]

4-2 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 4 Viewin g MPLS VPN Properties Viewing Virtual Route r Properties Step 2 In the Router IP Interface Properties wi ndow , vie w the follo wing site properties: • Name—The name of the site; for example, A TM4/0.100(10.0.0.1 ) is a combination of the interface name an[...]

4-3 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 4 Viewing MPLS VPN Properties Viewing Virtual Router Properties Figure 4-1 VRF Pr operties Step 2 In the VRF Properties window , view the following VRF properties: Note The VRF Propertie s window only displays properti es and a ttributes that are pro visioned in the VR[...]

4-4 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 4 Viewin g MPLS VPN Properties Viewing Virtual Route r Properties • Sites—Displays the interf aces connected to the VRF . Properties include: – Interface—A hy perlink that displays the in ventory windo w for the IP interface link ed to the site on the PE side. [...]

4-5 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 4 Viewing MPLS VPN Properties Viewing VRF Properties in the Inventory Wind ow Note Y ou can also open a VRF table b y right-clicking the virtual rou ter in the Cisco ANA Netw orkV ision tree or map pane and sele cting Open VRF T able . F or more information abo ut the [...]

4-6 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 4 Viewin g MPLS VPN Properties Viewing VRF Properties in the Inventory Window Figure 4-2 VRF Pr operties Fr om a Device Inv entory Windo w T o view VRFs pro visioned on a device: Step 1 Right-click a de vice in the Cisco AN A NetworkV ision tree or map pane and choose [...]

4-7 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 4 Viewing MPLS VPN Properties Working with the VPN Servic e Overlay Working with the VPN Service Overlay In addition to n etwork and service vie w maps, you can select and display an ov erlay of a specif ic VPN on top of the devices disp layed on the ne twork map. The [...]

4-8 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 4 Viewin g MPLS VPN Properties Working with the VPN Service Over lay • Overlay information, su ch as link and layer details • Callouts for the VPN network Displaying or Hiding Overlays Y ou can quickly display or hide a pre viously def ined o verlay of a specific V[...]

4-9 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 4 Viewing MPLS VPN Properties Working with the VPN Servic e Overlay T o display or hide the callouts: Step 1 Select and display the required net work map with an ov erlay of the specific VPN in the map pane of the Cisco AN A NetworkV ision windo w . Step 2 Right-click [...]

4-10 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 4 Viewin g MPLS VPN Properties Working with the VPN Service Over lay[...]

CH A P T E R 5-1 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 5 Viewing MPLS Logical Inventory The follo wing topics describe th e de vice logical in ventory specif ic to MPLS VPNs including routing entities, LSEs, BGP neighbors, Multiprotocol BG P (MP-BGP), VRF instances, and pseudo wire and TE tunnels. T opics include: •[...]

5-2 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Vie wi ng MPLS Logica l Invent ory Viewing MPLS VPN Properties Viewing MPLS VPN Properties Cisco AN A maintains a real-time, autodiscov ered, physical an d logical in ventory of the net work elements and the relationships among them. Cisco AN A automatically reflects[...]

5-3 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 5 Viewing MPLS Logical Inve ntory Viewing MPLS VPN Prop erties Figur e 5-1 Inv entory Windo w Step 3 T o view th e specif ic MPLS VPN properties, see the fol lo wing sections: • V iewing Routin g Entities, page 5-4 • V iewing the ARP T able, page 5-5 • V iewing R[...]

5-4 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Vie wi ng MPLS Logica l Invent ory Viewing MPLS VPN Properties Viewing Routing Entities The Routing Entity log ical in vent ory branch displays the follo wing routing entity information: • Changes Nu mber—The num ber of changes to t he currently displ ayed routin[...]

5-5 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 5 Viewing MPLS Logical Inve ntory Viewing MPLS VPN Prop erties • Routing Protocol—The routing p rotocol used to co mmunicate with other routers. • Sending Alarms—This option i s currently unav ailable. • Outgoing Interface Name—The name of the outgo ing int[...]

5-6 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Vie wi ng MPLS Logica l Invent ory Viewing MPLS VPN Properties Viewing a Label Switched Entity The LSEs logical in ventory branch displays inco ming and outgoing labe l information. The Label Switching Propert ies windo w might contain the follo wing tabs, which are [...]

5-7 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 5 Viewing MPLS Logical Inve ntory Viewing MPLS VPN Prop erties Traffic Engineering LSPs Tab The T raf fic Engineering LSPs tab describes the MPLS traf fic engineering Labe l Switch ed Paths (LSPs) provisioned o n the switch entity . MPLS traff ic engineering LSP , an e[...]

5-8 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Vie wi ng MPLS Logica l Invent ory Viewing MPLS VPN Properties T wo LDP peer discovery types are suppo rted: • Basic discovery—Used to discov er directly connec ted LDP LSRs. An LSR sends hello messages to the all-routers-on-this-su bnet multicast address, on int[...]

5-9 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 5 Viewing MPLS Logical Inve ntory Viewing MPLS VPN Prop erties Viewing MP-BGP Information The MP-BGP branch displays in formation about a router’ s BGP neighbors. Clicking the high-le vel MP-BGP category displays the follo wing property in the Cisco ANA workspace: ?[...]

5-10 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Vie wi ng MPLS Logica l Invent ory Viewing MPLS VPN Properties • Name—The name of the VRF . The Export/Import Route T ar gets areas displayed in the V RF Properties dialog box specif y separately the export and import policies for each VRF . The VRF Properties d[...]

5-11 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 5 Viewing MPLS Logical Inve ntory Viewing Port Configuration • Sending Alarms—This option i s currently unav ailable. • Outgoing Int Name—The name of the outgoing interf ace; displayed if the Rou ting Protocol type is local. Step 5 Press Ctrl + F4 to close the[...]

5-12 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Vie wi ng MPLS Logica l Invent ory Viewing Pseudowire En d-to End Emulation Tu nnels • Mask—The details of the dotted decimal m ask. • VC—If the subinterf ace is defined abo ve an A TM or Frame-Relay physical interface and it uses a VC-based encapsulation, i[...]

5-13 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 5 Viewing MPLS Logical Inve ntory Viewing MPLS TE Tunnel Information • T unnel ID—The identifier that, along wit h the router IP addresses of the tw o tunnel edges, identif ies the PWE3 tunnel. • Peer Router IP—The IP of the peer tunnel edge, which is used as [...]

5-14 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Vie wi ng MPLS Logica l Invent ory Viewing Access List Information The T raf fic Engi neering LSPs Label Switching sub-br anch displays the TE t unnel LSP information. Devices that hav e LSPs running TE tunnels (either as a head end, mid-point, or a tail end), displ[...]

5-15 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 5 Viewing MPLS Logical Inve ntory Viewing Access List Information • Action—The type of action that will o ccur when the rules ar e met: – Permit—If the rules match, proceeds to the ne xt rule. – Deny—If the r ules do not match, does not pro ceed to the nex[...]

5-16 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 5 Vie wi ng MPLS Logica l Invent ory Viewing Access List Information[...]

CH A P T E R 6-1 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 6 IPv6 VPN over MPLS IPv6 VPN ov er MPLS, also known as 6VPE, uses the e xisting MPLS IPv4 core infrastructure for IPv6 transport to enable IP v6 sites to communicate o ver an MPLS IPv 4 core network usi ng MPLS label switch paths (LSPs). 6VPE relies on MP-BG P ex[...]

6-2 Cisco Active Network Abstra ct ion 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 netw ork architecture and control pl ane protocols when t wo IPv6 sites communicate through an MPLS IPv4 backbone. Figur e 6-1 6VPE Networ k Arc hitect ur e Dual stack is a techniqu e that[...]

6-3 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Viewing IPv4 and IPv6 Addresses Viewing IPv4 and IPv6 Addresses Cisco AN A transparently handles IPv4 and IPv6 addresses wi thin the limitation s described in the “Cisco AN A 6VPE Support Limitati ons” section on page 6-5 . Cisco A N A NetworkV[...]

6-4 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Viewing IPv4 and IPv6 Addr esses Figur e 6-2 P ort with IPv4 and IPv6 Addr esses Figure 6-3 sh ows a Cisco CRS-1 port w ith only IPv6 addresses pro visioned. In this e xample, the lo west IPv6 address is shown in the subinterface table, and all IPv[...]

6-5 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Cisco ANA 6VPE Support Limitation s Figur e 6-3 P ort with IPv6 A ddr esses Cisco ANA 6VPE Support Limitations Cisco AN A 6VPE support is limited to de vices and softwa re versions sho wn in T able 6-2 . In addition, Cisco AN A 6VPE support is char[...]

6-6 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS IPv6 Addressing • The Cisco AN A NetworkV ision VRF table does not display IPv6 VRF routing information. • If an interface or subinterface does not have an IPv4 or IPv6 IP address, the in terface is not discov ered and not sho wn in Cisco AN A [...]

6-7 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide 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 v alues of the six high-order 16-bit addr ess pieces, and d is th e decimal v alue of the four lo w-order 8-bit piece[...]

6-8 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Provisioning Route Ta rgets If a pref ix length is not e xplicitly speci fied, it i s cal culated as the number of furthest left significant bits in the subnet address. Provisioning Route Targets Cisco AN A 3.6.6 allows you to create VRF rou te tar[...]

6-9 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Provisioning Route Targ ets Figure 6-5 Command Builder Route T ar get Commands Note T o assign address families t o VPN communities, the VRF must ha ve been created with the vrf def inition Cisco IOS command. Address f amilies cannot be assigned to[...]

6-10 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Provisioning Route Ta rgets Figur e 6-6 A dd Route T arg et Export with A ddress F amily Dialog Bo x Y ou can click Previe w to previe w the command sequence in the Result tab ( Figure 6-7 ). 1 Input tab 2 Result tab 3 VPN Community f ield 4 Route[...]

6-11 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Provisioning Route Targ ets Figure 6-7 Add Rout e T arget Expor t with Addr ess F amily Preview After you e xecute the command on the de vice, you vi e w the commands that were ex ecuted on the de vice in the Result tab ( Figur e 6-8 ). Figur e 6-[...]

6-12 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Provisioning Route Ta rgets Use the follo wing procedures to en able IPv6 VRFs and add or delete route tar gets with IPv4 and IPv6 address families: • Enabling IPv6 V RFs, page 6-12 • Adding Route T argets with IPv4 and IPv6 Address F amilies,[...]

6-13 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Provisioning Route Targ ets Step 5 If you want t o prev iew t he route target , click Pre view . The Result tab displays the commands that will be ex ecuted on the de vice. Step 6 Click Execute . The Result tab displays the commands that were exec[...]

6-14 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 6 IPv6 VPN over MPLS Provisioning Route Ta rgets Figur e 6-9 Deleting Route T arg ets 1 2 3 5 4[...]

CH A P T E R 7-1 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 7 MPLS Network Faults The follo wing topics describe th e alarms that Cisc o AN A detects and reports for MPLS, LSP , LDP , BGP , TE tunnels, and Layer 2 VPNs. T opics include: • MPLS Network Alarms Ov ervie w , page 7-1 —Provides a summary o f the MPLS and VP[...]

7-2 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 7 MPLS N etwork Faults BGP Neighbor Loss Alarm BGP Neighbor Loss Alarm If BGP connecti vity is lost to a specif ic de vice in an MPLS VPN netw ork, VPN sites lose connecti vity . The VNE models the BGP connection betw een routers and acti vely monitors its st ate. A BG[...]

7-3 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 7 MPLS Network Faults BGP Process Down Alarm The BGP Neighbor Loss alarm is detected acti vely b y the system and service alarms are generated. The system also supports BG P neighbor do wn syslogs. When the VNE BGP componen t polls the BGP neighbor status (expedite o r[...]

7-4 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 7 MPLS N etwork Faults LDP Neighbor Down Alarm Figur e 7 -1 Example of an MPLS Black Hole Scenar io In this case, Cisco AN A does the follow ing: • Identif ies untagged label switching entries on P2 and PE3. • Issues MPLS Black Ho le Found alar ms on the interfaces[...]

7-5 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 7 MPLS Network Faults MPLS Black H ole Found Alarm If a session to an LDP neighbor goes do wn, an LDP Neighbor Do wn alarm is issued. This can happen as the result of a fail ure in the TCP co nnection us ed by the LDP session, or if t he interface is no lo nger running[...]

7-6 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 7 MPLS N etwork Faults Pseudo Wire MPLS Tu nnel Down Alarm For Cisco CRS-1 rout ers running Cisco IOS XR 3.6 software and using PBTS in MPLS or MPLS VPN networks, Cisco AN A supports the follo wing ubalarms for the MPLE TE T unnel Do wn alarm: • High Priority MPLS TE[...]

CH A P T E R 8-1 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 8 Impact Analysis in MPLS Networks The follo wing topics provide an o vervie w of the service impact analysis solution and supported scenarios, which a re used in VPN ne tworks that are based on MPLS, including Layer 3 and Layer 2 VPNs. In addition, th eybriefly d[...]

8-2 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 8 Impact Analysis in MPLS Networks Service Impact Analysis For MPLS-Based VPN Se rvices Note The reported impact se veriti es vary between f ault scenarios. F or more information about specif ic support for each fault scenario, see Supported F ault Scenarios, page 8-3 [...]

8-3 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 8 Impact Analysis in MPLS Networks Supported Fault Sc enarios Figure 8-1 sho ws 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 Lay er 3 VPN Example Pseudowire (L2 VPN) Report When a pseudo[...]

8-4 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 8 Impact Analysis in MPLS Networks Supported Fa ult Scenarios Link Down Scenario T able 8-1 sho ws the impact calcu lations and reported af fe cted sev erities for a link do wn fault scenario. Link Overutilized/Data Loss Scenario T able 8-2 sho ws the impacted calcu la[...]

8-5 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 8 Impact Analysis in MPLS Networks Supported Fault Sc enarios BGP Neighbor Loss Scenario T able 8-3 sho ws the impacted calculations and reported af fected se ver ities for a BGP neighbor loss f ault scenario. Note The BGP Neighbor Loss alarm re presents a s cenario wh[...]

8-6 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 8 Impact Analysis in MPLS Networks Supported Fa ult Scenarios Figur e 8-2 Route Reflect or Example In the example, th e follow ing conf iguration is applied: • Router A (router ID A ) has clients conf igured B, C, and D. Therefore it serv es as the route reflector fo[...]

8-7 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 8 Impact Analysis in MPLS Networks Supported Fault Sc enarios • Router D notes that the ID of Router B is no lon ger learned through interface 2. • No impact anal ysis is performed . Broken LSP Discovered Scenario T able 8-4 sho ws the impacted calculations and rep[...]

8-8 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 8 Impact Analysis in MPLS Networks Supported Fa ult Scenarios[...]

CH A P T E R 9-1 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 9 Using Cisco ANA PathTracer in MPLS Networks The follo wing topics describe ho w you can use th e Cisco ANA P athT racer for Layer 2 and Layer 3 VPNs, and for MPLS TE tunnels: • Cisco AN A PathT racer T racing Capability , page 9-1 —Provides a brief descript [...]

9-2 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 9 Using Cisco A NA PathTracer in MPLS Networks Using Cisco ANA Pa thTracer in MPLS Networks Cisco AN A PathT racer enables you to vie w multiple paths betw een the source and the destination (or from a source to number of d estinations) in the Cisco AN A PathT racer mu[...]

9-3 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 9 Using Cisco ANA PathTr acer in MPLS Networks Cisco ANA PathTracer W indows Cisco ANA PathTracer Endpoints If you choose th e Start Here option, T able 9-2 lists the endpoints that can be selected as a path destinatio ns. The Cisco ANA P athTracer multipath window is [...]

9-4 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 9 Using Cisco A NA PathTracer in MPLS Networks Cisco ANA PathTrace r Windows Figure 9-1 Cisco ANA P a thT racer Multipath Windo w The Cisco AN A PathT racer single-path win dow ( Figure 9-2 ) displays the discovered-path devices and links, as well as path layer propert[...]

9-5 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 9 Using Cisco ANA PathTr acer in MPLS Networks Cisco ANA PathTracer W indows Figur e 9-2 Cisco ANA P a th T racer Single-P at h Window The Cisco AN A PathT racer single-path win dow di splays information re garding each device. The informa tion is either plain data tha[...]

9-6 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 9 Using Cisco A NA PathTracer in MPLS Networks Using Cisco ANA Pa thTracer for Layer 3 VPN Using Cisco ANA PathTracer for Layer 3 VPN Cisco AN A Path T racer uses VRF routing and label switching information to trace the path f rom one VRF interface to another . If you [...]

9-7 Cisco Active Network Ab straction 3.6.6 MPLS User Gu ide OL-19192-01 Chapter 9 Using Cisco ANA PathTr acer in MPLS Networks Using Cisco ANA PathTrace r for MPLS TE Tunnels T o view Layer 2 path information , choose the Lay er 2 tab and choose Sho w All from the V iew menu. The path information is di splayed in the acti ve tab . Note Selecting a[...]

9-8 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Chapter 9 Using Cisco A NA PathTracer in MPLS Networks Using Cisco ANA Pa thTracer for MPLS T E Tunnels Viewing MPLS TE Tunnel Information Layer 2 and Layer 3 Cisco AN A PathT racer information is displaye d in the Cisco AN A PathT racer windo ws when a path is traced o ver MP[...]

A-1 Cisco Active Network Abstract ion 3.6.6 MPLS User Guide OL-19192-01 APPENDIX A Running a VPN Leak Report The VPN leak report list s all the leaks that exist between VPNs . Y ou implement the VPN leak report command using Broadband Query La ng uage (BQL). BQL is a generi c machine interface lang uage implemented b y the Cisco AN A gateway fo r g[...]

A-2 Cisco Active Network Abstra ct ion 3.6.6 MPLS User Guide OL-19192-01 Appendix A Run ning a VPN Leak Report[...]

IN-1 Cisco Active Ne twork Abstract ion 3.6.6 MPLS User Gu ide OL-19192-01 INDEX Numerics 6VPE, and Cisco ANA 6-3 6VPE, network arc hitecture 6-2 6VPE, overview 6-2 6VPE, support limitati ons 6-5 A access lists, viewing 5-14 Address family, assigning using Cisco ANA NetworkVis ion 6-8 Add route tar get, with address family execution results 6-11 Ad[...]

Index IN-2 Cisco Active Ne twork Abstract ion 3.6.6 MPLS Us er Guide OL-19192-01 impact analysis 8-1 LDP 7-4 MPLS 7-5 summary 7-1 supported scenarios 8-3 traffic engineering 7-5 I icons maps 1-7 topology 1-4 impact analysis 8-1 service, MPLS-based VPN 8-2 IPv4 and IPv6, adding ad dress families to route targets 6-12 IPv4 and IPv6 rout e targets, de[...]

Index IN-3 Cisco Active Ne twork Abstract ion 3.6.6 MPLS User Gu ide OL-19192-01 access lists, viewing 5-14 ARP table 5-5 BGPs, viewing 5-9 faults 7-5 impact analysis 8-2 LSEs, viewing 5-6 maps 1-2 PathTracer and 9-2 properties, view ing 5-1, 5-2 PWE3s, viewing 5-12 rate limit information 5-5 routing entit ies 5-4 technology su pport 1-1 TE Tunnels[...]

Index IN-4 Cisco Active Ne twork Abstract ion 3.6.6 MPLS Us er Guide OL-19192-01 MPLS properties 5-1, 5-2 overlays 4-7, 4-8 overview 1-2 removing VPNs 2-2 tunnels 3-3, 3-4 virtual routers 3-3 VPNs 3-1, 4-1 sites aggragating 2-4 disconnecting in map 2-3 displaying or h iding CD 2-3 linking in map 2-2 overview 1-2 properties, view ing 4-1 T technolog[...]