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NAD 3020 manuel d'utilisation

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Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation NAD 3020. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel NAD 3020 ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation NAD 3020 décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation NAD 3020 devrait contenir:
- informations sur les caractéristiques techniques du dispositif NAD 3020
- nom du fabricant et année de fabrication NAD 3020
- instructions d'utilisation, de réglage et d’entretien de l'équipement NAD 3020
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage NAD 3020 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles NAD 3020 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service NAD en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées NAD 3020, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif NAD 3020, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation NAD 3020. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    Integrating the Cisco Catalyst Blade Switch 3020 for the HP c-Class BladeSystem into the Cisco Data Center Network Architecture Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Public Information.[...]

  • Page 2

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 2 of 28 Contents Introduction ................................................................................................................... .................. 3 HP c-Class BladeSystem Enclosure Overv iew ...........................[...]

  • Page 3

    Design Guide Introduction This guide provides best d esign practices for deploying the Ci sco ® Catalyst ® Blade Switch 3020 for the HP c-Class BladeSystem enclosure within the Cisco Data Center Networking Architecture. It describes the internal components of the blade-serve r enclosure and Cisco Catal yst Blade Switch 3020 and explore s differen[...]

  • Page 4

    Design Guide Figure 2. Enclosure Interconnections Us ing Full-Height Servers Figure 3. Enclosure Interconnections Us ing Half-Height Servers © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 4 of 28[...]

  • Page 5

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 5 of 28 Cisco Catalyst Blade Switch 3020 for HP This section briefly describes the Cisco Catalyst Blade S witch 3020 for HP and explains how the blade servers within the HP c-Class BladeS ystem are physically connecte d to the switching [...]

  • Page 6

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 6 of 28 Cisco Catalyst Blade Switch 3020 Features This section highlights inf ormation about the protoc ols and features provid ed by the Cisco Catalyst Blade Switch 3020 that help integrate the HP c-Class Blad eSystem enclosure into the[...]

  • Page 7

    Design Guide A scenario wherein BPDUs are lost may be caused by unidirectional links, which can cause Layer 2 loops. To prevent this problem, use Loop G uard a nd UDLD. Loop Guard prevents a port from forwarding as a result of missed BPDUs, which might cause a Layer 2 loop that could bring down the network. UDLD allows devices to monitor the physic[...]

  • Page 8

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 8 of 28 Note: The IEEE 802.1 w protocol is ena bled by default when running spann ing tree in RPVST+ or MST mode on the Cisco Catalyst Blade Switch 30 20. The Cisco Catalyst Blade Switch 3020 enables PVST+ for VLAN 1 by default. The Span[...]

  • Page 9

    Design Guide Figure 5. RSPAN Example Link Aggregation Protocols Cisco Fast EtherChannel interfaces and Gigabit Et herChan nel interfaces are logically bundled, and they provide link redunda ncy and scalable bandwidth bet ween network devices. PAgP and LACP help automaticall y create these channels by ex changing pa ckets between Ethernet interfaces[...]

  • Page 10

    Design Guide Figure 6. Alternative Network Configuration Data Center Network Architecture The architecture of the data c enter infrastructure must addr e ss the requirements necessary to create a highly available, scalabl e, and secure network. This section describes the b asic architecture necessary to meet these goals. It is a synopsis of the Cis[...]

  • Page 11

    Design Guide Figure 7. Data Center Front-End Network Aggregation Lay er The aggregation layer is a p oint of convergence fo r network traffic that provides connectivit y between server farms and the rest of the enterpr ise. T he aggregation layer supports Layer 2 and Layer 3 functions and prese nts an ideal location for deploying central ized appli[...]

  • Page 12

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 12 of 28 Layer 2 adjacency in the server farm allo ws for t he deployment of servers or clusters that require the exchange of information done at Layer 2 onl y. It also readil y supports access to network services in the aggregation la y[...]

  • Page 13

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 13 of 28 link redundancy comb ined with a deterministic topol og y design to achieve applicatio n-availability requirements. Servers are typically config ured wi th multiple NICs and dual home d to the access layer switches to provid e b[...]

  • Page 14

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 14 of 28 ● Network Fault Tolerance (NFT ) ● Transmit Load Balancing (T LB) ● Switch Assisted Load Balancing (server load balancin g [SLB]) NFT teaming creates a virtual interface by groupi ng the blade-server net work adapters into[...]

  • Page 15

    Design Guide Slot Count The data center infrastructure must be fle xible enough to allow growth in both server capacity and service performance. Connec ting a blade system directly into the aggreg ation layer places more significance on the number of slots available to accommodate blade-s ystem uplinks and integrated services. Traditionally, the ac[...]

  • Page 16

    Design Guide The data center core is a mechan ism to r eplicate and horizontally scale the data center environment. In the recommended des ign the aggregation and access la yers are regarded as a module that can be duplicated to extend the enterprise. Each data center module provides its o wn network services locall y in the aggregation switches. T[...]

  • Page 17

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 17 of 28 The Cisco Catalyst Blade S witch 3020 contains an additional Fast Ethernet port, which connects to the HP c-Class BladeSystem Onboar d Administrato r, providing OOB management using the insight manager interface. The user ma y a[...]

  • Page 18

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 18 of 28 Management Options The Cisco Catalyst Blade S witch 3020 switch is manageable with the following m ethods: ● HTTP-based device-manager GUI ● SNMP-based management applications ● Cisco IOS Software CLI The embedded device m[...]

  • Page 19

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 19 of 28 Network Topologies Usin g the Cisco Cataly st Blade Switch 3020 This section discusses the follo wing physical topologies: ● Recommended topology : Classic V-shaped topology with Spanning Tree Protocol ● Alternative topolo g[...]

  • Page 20

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 20 of 28 ● Primary root switch failure and recovery ● Secondary root switch failure and rec overy These tests revealed the intricacies of fast conv ergenc e in the data center and the neces sity for a holistic approach to high avai l[...]

  • Page 21

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 21 of 28 RSPAN requires a VLAN to carry the mirrored tr affic to the remote des tination switch. In the recommended topology, the s econdary aggregation s witch is the RSPAN destination, w here an analysis device, such as the integrated [...]

  • Page 22

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 22 of 28 Step 2. Allow only those VLAN s that are necess ary on the port channel bet ween the aggregate and the blade switches. Use the switchport trunk allowed vlan vlanID command to configure the p ort-channel interfaces of the aggrega[...]

  • Page 23

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 23 of 28 This design supports traffic monitoring us ing SPAN or RSPAN. For example, a net work-analysis device connected to the e xternal ports on the front of the Cisco Catalyst Blade S witch 3020 may capture locally mirrored traffic. A[...]

  • Page 24

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 24 of 28 VLAN Configura tion To configure the VLANs on the switc hes, complete the following tasks: Set the VTP administrative domain n ame and m ode and create the server-farm VLANs a s follows: (config)# vtp domain <domain name> [...]

  • Page 25

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 25 of 28 (config-if)# channel-group 1 mode active Configure the passive LACP members o n Cisco Catalyst Blade Switch 3020 switch A as follows: (config) # interface GigabitEthernet0/19 (config-if)# description <<** Connected to Aggr[...]

  • Page 26

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 26 of 28 Server-Port Configuration A blade server is assigned a specific p ort on the bl ade switch. This assignment is predetermined by the physical slot the blade se rver occupies in the enclosure. Table 1 correlates the server and swi[...]

  • Page 27

    Design Guide © 2008 Cisco Systems, In c. All rights reserv ed. This document is Cisco Pub lic Information. Page 27 of 28 interface GigabitEthernet0/1 description <<** BladeServer-1 **>> switchport trunk encapsulation dot1q switchport trunk allowed vlan 10,60 switchport mode trunk switchport port-security aging time 20 switchport port-s[...]

  • Page 28

    Design Guide RSPAN Configuration RSPAN allows for remote traffic monitoring in the data ce nter. Define source and destinatio n sessions to mirror intere sting traffic to a remote VLAN captured by network-anal ysis tools. Configure a VLAN for RSPAN on the Cisco Catalyst Blade Switch 3020 and the aggregate switch as follows: (config)# vlan <vlanI[...]