Manuale d’uso / di manutenzione del prodotto OL-4344-01 del fabbricante Cisco Systems
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CH A P T E R 1-1 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 1 About Cisco IP Solution Center Cisco IP Solution Center (ISC) is a car rier- class ne two rk and service-management solution for the rapid and cost-effecti ve deli very of IP services.
1-2 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center Overview of ISC The notable ISC network elements are as follows: • ISC Ne.
1-3 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center Overview of ISC It is not required that the set of IPv4 addresses us ed in a.
1-4 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center Overview of ISC • VLAN ID Management : ISC allocates VLAN IDs per customer and per Et hernet Service deployed.
1-5 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center Overview of ISC Figur e 1 -3 Access Do main Assigned 2. All the network elements hav e been discov ered dur ing the Autodiscov ery process, as well as the network topol ogy (connect i vity betw een sites).
1-6 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center Overview of ISC • Route Distinguisher (RD) pool : The IP subnets advert ised by the CE routers to the PE routers are augmented with a 64-bit pref ix called a route dist inguisher (RD) to make them unique.
1-7 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center Overview of ISC • VRF confi guration (exp ort map, import map, maximum num.
1-8 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center Overview of ISC Figur e 1 -4 Defining the User Role The permissions to Crea.
1-9 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center The Customer’s and Provider ’ s View of the Netw ork The Customer’s an.
1-10 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center The Customer’s and Provider’s View of the Network Figur e 1 -6 Service Provider’ s View of the Networ k About Provider Edge Routers (PEs) At the edge of the provider network are provider ed ge routers (PEs).
1-11 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center The Customer’s and Provider ’ s View of the Netw ork A Multi-VRF CE is unlik e a CE in that there is no label e xchange, no LDP ad jacency , and no labeled packet flo w between the PE a nd the CE.
1-12 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center Using Templates to Custom ize Configuration Files Mapping IPsec Tunnels to.
1-13 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center Using Templates to Custom ize Configuration Files The template fi les and data f iles are in XML format. The template f ile, its data f iles, and all templat e configuration f ile fi les are ma pped to a single directory .
1-14 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center About MPLS VPNs • Audit Existing Services : Checks and ev aluates conf igurat ion of deployed service to see if the service is still in ef fect.
1-15 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center About MPLS VPNs Characteristics of MPLS VPNs MPLS VPNs have the follo wing .
1-16 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center About MPLS VPNs VPN Routing and Forwarding Tables (VRFs) The VPN routing and forw arding table (VRF) is a ke y element in the MPLS VPN technolog y .
1-17 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center About MPLS VPNs Figur e 1 - 9 VRFs for Sites i n Multiple VPNs VRF Implemen.
1-18 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center About MPLS VPNs • The MPLS VPN backbone relies on the appropr iate Interior Gate wa y Protocol (IGP) that is configured for MPLS, fo r example, EIGRP , or OSPF .
1-19 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center About MPLS VPNs ISC chooses route tar get v alues by default, b ut you can .
1-20 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center About MPLS VPNs ISC supports multiple CEs pe r site and multiple site s connected to the same PE. Each CERC has unique route targ ets (R T), route distinguisher (RD) and VRF naming.
1-21 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center Security Requirements for MPLS VPNs Security Requirements for MPLS VPNs This section discusses the security requirements for MPLS VPN archit ectures.
1-22 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center Security Requirements for MPLS VPNs Gi ven addressi ng and routing separati on across an MPLS core network , MPLS of fers in thi s respect the same security as comparable Layer 2 VPNs, such as A TM or Frame Relay .
1-23 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center Security Requirements for MPLS VPNs Resistance to Attacks It is not possible to d irectly intrude into other VPNs. Ho we v er , i t is possible to attack the MPLS core, and try to attack other VPNs from there.
1-24 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center Security Requirements for MPLS VPNs In practice, access to the PE router o ver the CE-PE int erface can be limi ted to the required rou ting protocol b y using access control lists (A CLs).
1-25 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center Security Requirements for MPLS VPNs For security reasons, a PE router should ne ver accep t a p acket with a label fr om a CE router .
1-26 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center Security Requirements for MPLS VPNs • PE-P link: use LDP MD5 authen tication • P-P This pre vents att ackers from spoof ing a peer rout er and introducin g bogus routing infor mation.
1-27 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center Security Requirements for MPLS VPNs From a security point of vie w , the merged VPNs beha ve like one logical VPN, and the security mechanisms described abov e apply now between th e merged VPN and other VPNs.
1-28 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center Security Requirements for MPLS VPNs The forwarding table for a PE contains only addre ss entries for members of the sa me VPN.
1-29 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center Security Requirements for MPLS VPNs • Layer 2 VPN Service • MPLS VPN Se.
1-30 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center Security Requirements for MPLS VPNs • The Processing server can be added dynami cally . The W atchdog will discov er their e xistence when you start up ISC.
1-31 Cisco IP Solution Center, 3.0: MPLS VPN Ma nagement User Guide, 3.0 OL-4344-01 Chapter 1 About Cisco IP Solution Center The Four-Tier System Architecture Figur e 1 -12 Redundant Load Balancing Configur ation The Four-Tier System Architecture The Cisco ISC architecture is a four-t ier architecture.
1-32 Cisco IP Solution Center, 3.0: MPLS VPN Manage ment User Guide, 3.0 OL-4344-01 Chapter 1 Ab out Cisco IP Solution Center The Four-Tier System Architectu re • Contr o l tier The Control T ier consists of the ISC Repository (a relational database) and the task scheduling and distrib ution system.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cisco Systems OL-4344-01 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cisco Systems OL-4344-01 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Systems OL-4344-01 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Systems OL-4344-01 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Systems OL-4344-01, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cisco Systems OL-4344-01.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cisco Systems OL-4344-01. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Systems OL-4344-01 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
