Książka z przepisami Cabletron Systems Mmac Plus 9t122 24

Książka z przepisami Cabletron Systems Mmac Plus 9t122 24 to uniwersalne narzędzie do pomocy przy tworzeniu, wdrażaniu i konfiguracji sieci komputerowych. Zawiera szczegółowe instrukcje dotyczące wszystkich zalecanych zadań związanych z instalacją urządzeń sieciowych, takich jak konfiguracja i optymalizacja sieci, konfiguracja urządzeń przełączających i routerów, tworzenie i wdrażanie reguł bezpieczeństwa, testowanie działania sieci oraz wiele innych. Książka zawiera również szczegółowe wyjaśnienia dotyczące zasad działania protokołów sieciowych, takich jak TCP/IP, OSPF i inne. Jest to doskonałe narzędzie, które może pomóc w zrozumieniu i zoptymalizowaniu sieci komputerowych, a także w utrzymaniu ich w sprawnym stanie.

Ostatnia aktualizacja: Książka z przepisami Cabletron Systems Mmac Plus 9t122 24

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MMAC-Plus 9T122-24
Three Port Token Ring

MicroLAN Switch Module
User’s Guide

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Notice Notice Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made. The hardware, firmware, or software described in this manual is subject to change without notice. IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVE
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Notice FCC Notice This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable pr
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Notice DOC Notice This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique édicté par le ministère des Communications du Canada. iii
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Contents Chapter 1 Introduction Features........................................................................................................................... 1-1 Related Manuals............................................................................................................ 1-4 Getting Help.................................................................................................................. 1-4 Chapter 2 Installation Installing the MicroLAN Module.......
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Chapter 1 Introduction The 9T122-24 MicroLAN™ Switch Module, shown in Figure 1-1, is a three port Token Ring bridge and router module. This module supports either one token ring with twenty four HUB connections, or two separate Token Rings with twelve HUB connections, and an interface to the FNB backplane. Features Processor The 9T122-24 is equipped with an advanced Intel i960 microprocessor. This microprocessor provides a platform for all management functions within a scalabl
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Introduction Management Information Base (MIB) Support The 9T122-24 module provides MIB support including: • IETF MIB II (RFC 1213) • IETF RMON MIB (RFC 1271 and 1513) • IETF Bridge MIBs (RFC 1493 and 1525) • IEEE 802. 5 Token Ring MIB (RFC 1231) • Cabletron Enterprise MIBs For a complete list of supported MIBs, refer to the release notes provided in NOTE the module package. Ring Security This feature prevents unauthorized stations from attaching to the ring. Using Local or Remot
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Features TOKEN RING 9T122-24 SMB CPU FNB 1 2 16 Mb 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 MMAC PLUS Figure 1-1. The 9T122-24 MicroLAN Module 1-3
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Introduction Related Manuals The manuals listed below should be used to supplement the procedures and technical data contained in this manual. MMAC-Plus Installation Guide MMAC-Plus Operations Guide MMAC-Plus 9C300-1 Environmental Module User’s Guide MMAC-Plus 9C214-1 AC Power Supply User’s Guide MMAC-Plus Local Management User’s Guide Getting Help If you need additional support with the MMAC-Plus, or if you have any questions, comments or suggestions concerning this manual, feel free t
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Chapter 2 Installation Installing the MicroLAN Module The MMAC-Plus MicroLAN Module may be installed into any of the 14 slots that are available. To install, follow the steps below: 1. Switch off the power supplies and remove all power from the MMAC-Plus chassis. 2. Remove the blank panels, covering the slots that the module is being mounted in. All other slots must be covered, if modules are not being installed, to ensure proper airflow and cooling. 3. Carefully remove the module from
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Installation 7 FLNK 8 FLNK FLNK 10 RX FLNK INS TX 11 RX FLNK INS TX 12 RX Jack for ESD wrist strap Metal Back-Panel Circuit Card Card Guides Warning: Ensure that the circuit card is between the card guides. Lock down the top and bottom plastic tabs at the same time, applying even pressure. Figure 2-1. Installing the MicroLAN Module 2-2
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The Reset Switch The Reset Switch The Reset switch is located on the front panel, under the top plastic tab as shown in Figure 2-2. It serves two functions: • Pressing the reset switch twice within three seconds causes the processor (i960) to reset. • Pressing and holding the switch on for three or more seconds causes the module to shutdown. Pressing and holding again for three seconds restarts the module. SNMP management may be used to disable this switch to enhance module security.
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Installation User Accessible Components Figure 2-3 shows the various components that are accessible to the user. These consist of an eight position dip switch (explained in the next section), replaceable PROMs and sockets for RAM. These will be used for future upgrades. SMB-1 PROM i960 Processor Flash SIMM Socket DIP Switch Boot PROM Shared Packet Memory SIMM Local Program Memory SIMM Socket Figure 2-3. User Accessible Components 2-4
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Setting the Module Card DIP Switch Setting the Module Card DIP Switch An eight switch DIP switch is located on the module card as shown in position 8 in Figure 2-3 and in Figure 2-4. The function of the switches are listed in Table 2-1. 1 2 3 4 5 6 7 8 Figure 2-4. Location of Module DIP Switch 2-5
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Installation See the Cautions at the end of this table. Table 2-1. Function of DIP Switch Switch Function Description When toggled, this switch clears user-entered Clear passwords stored in NVRAM, and restores the 8 1 Password default passwords. Once reset you can use the defaults or enter new passwords. The module uses NVRAM to store user entered parameters such as IP addresses, device name, etc. To reset these parameters to Clear the factory defaults, toggle this switch. Onc
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Ring Speed Ring Speed The module defaults to a 16Mbps ring speed on all rings. This may be changed though local management. Multi-Ring Out Capability Any port of the module may be configured as a ring-out port through management software. In this configuration a stand-alone passive concentrator (such as an IBM 8228) may be added to the ring as shown in Figure 2-5. This allows for a star-wired network with the MMAC-Plus at the center. Consult the MMAC-Plus Local Management Guide for
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Chapter 3 Operation The 9T122-24 MicroLAN Module provides connectivity between the front panel Token Ring(s) and the FDDI rings on the backplane (FNB-1 or FNB-2). MMAC-Plus modules connect to either the Internal Network Bus (INB) or the Flexible Network Bus (FNB) bus. The 9T122-24 module connects to the FNB bus. Shown in Figure 3-1 is a block diagram of the module. The front panel may be configured as one Token Ring (factory default) or as two rings. In the two ring configuration, the
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Operation Transparent Bridging Transparent Bridging is accomplished by building a Source Address Table (SAT) from source MAC/physical addresses and using the SAT to make forwarding decisions. The 9T122-24 prevents unnecessary network traffic from passing through the module by implementing two separate filtering processes — IEEE 802. 1d or Cabletron’s Special Filtering Database. These processes may be used individually or in tandem. The first process, the IEEE 802. 1D filtering process, begi
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Bridging 2. The receiving bridges append their own route information to the Route Information Field (RIF) in the MAC frame header and transmit the frame again. Eventually, the original source device receives all of the ARE replies from the other end stations on the network. 4. From this information, the source device can determine a desired route for each frame it transmits. Spanning Tree Algorithm The 9T122-24 promotes maximum network use in multiple bridge environments. A bridge l
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Operation Flexible Network Bus (FNB) The FNB consists of two dual FDDI networks, the FNB-1 and FNB-2, providing up to 400 Mbps of data bandwidth. These FDDI networks are 100% ANSI FDDI-compliant supporting SMT (version 7. 3), MAC, PHY, and PMD standards. This allows the FNB to traverse multiple MMAC-Plus hubs, or connect to any ANSI FDDI-compliant device, through standard A/B port connections, using the FDDI repeater module. System Management Buses There are two management channel

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