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Chapter 1

Overview

Avaya M770 M-ACCF/SF ATM Access Modules User’s Guide

9

The LECS Connect and Configuration phases may be bypassed for certain 
applications. The Registration phase may also be bypassed if the LEC performs 
required address registration during the Join phase.
The Processes connecting the LEC to the ELAN are shown in Figure 1.4.

Figure 1.4

Connection Processes of the LEC to LANE Server

Registration

The address registration function is the mechanism by which LECs provide address 
information to the LAN Emulation Server. The LAN destinations may also be 
unregistered as the state of the client changes. A client must either register all LAN 
destinations for which it is responsible or join as a proxy to other MAC addresses.

Содержание M-ACCF

Страница 1: ...Avaya User s Guide M ACCF SF MODULE AVAYA M770 MULTIFUNCTION SWITCH July 2000...

Страница 2: ......

Страница 3: ...ment It assumes a basic working knowledge of Local Area Networks This guide also explains basic Asynchronous Transfer Mode ATM and LAN Emulation LANE concepts Note See the accompanying Release Notes f...

Страница 4: ...alling the M ACC ATM Access module Chapter 3 Installation Installing the M ACC Module Domain Usage Considerations Configuring the M ACC Module Setting up the M ACC Module Using TELNET Accessing screen...

Страница 5: ...you must evaluate the syntax provided and then supply the appropriate values for the placeholders that appear in angle brackets Commands The word command means that you must enter the command exactly...

Страница 6: ...Introduction IV Avaya M770 M ACCF SF ATM Access Modules User s Guide...

Страница 7: ...ncepts LAN Emulation 3 LAN Emulation Overview 3 Emulated LAN Components 3 LAN Emulation Client LEC 3 LAN Emulation Server LES 4 Broadcast and Unknown Server BUS 4 LAN Emulation Configuration Server LE...

Страница 8: ...Connections Within Your Network 30 Network Configuration Examples 31 ATM Backbone in the Building 31 Avaya M770 Multitechnology Functionality 33 Routing in the X Switch Domain 34 Chapter 3 Installati...

Страница 9: ...port 51 Module Setup Main Menu 52 Reset the Module 52 Software Download to the X Switch CPU 53 Entering Software Download Parameters 53 Starting the Software Download Process 54 Monitoring the Softwa...

Страница 10: ...72 VN Configuration Menu 72 Upgrading Software 75 Preliminaries 75 Downloading 75 Monitoring the ATM Access Module 76 ATM Port Statistics 76 VCC Statistics 78 Chapter 5 Network Management and Monitori...

Страница 11: ...ACCF SF ATM Access Modules User s Guide v How to Contact Us 95 In the United States 95 In the EMEA Europe Middle East and Africa Region 95 In the AP Asia Pacific Region 97 In the CALA Caribbean and La...

Страница 12: ...Contents vi Avaya M770 M ACCF SF ATM Access Modules User s Guide...

Страница 13: ...e 1 16 VLAN to ELAN Mapping 25 Figure 1 17 Extending VLANs into the ATM Network 26 Figure 2 1 ATM Backbone in the Building 32 Figure 2 2 Avaya M770 Multitechnology Functionality 33 Figure 2 3 Routing...

Страница 14: ...7 SNMP Submenu 69 Figure 4 18 updSysAtt Submenu 3 2 6 71 Figure 4 19 Community Submenu 3 2 7 71 Figure 4 20 Virtual net Submenu 72 Figure 4 21 ATM Submenu 76 Figure 4 22 ATM Port Statistics Screen 77...

Страница 15: ...ms64 Table 4 4 Operational Meanings of Port Submenu Items 66 Table 4 5 VCC Submenu Items and their Operational Meanings 68 Table 4 6 Configure Submenu Items and their Operational Meanings 70 Table 4 7...

Страница 16: ...List of Tables x Avaya M770 M ACCF SF ATM Access Modules User s Guide...

Страница 17: ...within a workgroup or departmental LAN the ATM access module provides a fast ATM uplink to the building or ATM campus Redundant links protect your Switch from network and equipment failure while the s...

Страница 18: ...nge from VLAN 1 to 254 Data buffer to store 16 000 ATM cells High performance with fast data transfer Wire Rate Transmission on ATM port Redundant Links from two different modules protect your network...

Страница 19: ...on the same ATM network However each of the emulated LANs is independent of the others and users cannot communicate directly across emulated LAN boundaries Emulated LAN Components LAN Emulation is imp...

Страница 20: ...may reside on an ATM end station instead Broadcast and Unknown Server BUS The BUS is the LANE connection service which handles ATM traffic other than direct transmissions between LECs It handles the...

Страница 21: ...sts and responses On initialization control VCCs are established between LEC and LES bi directional control direct VCC and control distribute VCC as well as a bi directional configuration VCC between...

Страница 22: ...and receive multicast data In addition initial unicast data data whose LEC destination has not yet been ascertained by the transmitting LEC is sent on the multicast send VCC to the BUS which forwards...

Страница 23: ...e Switching between those paths introduces the possibility that frames may be delivered to the receiving client out of order Delivery of out of order frames between two LAN endpoints is uncharacterist...

Страница 24: ...n function of the LEC with the LAN Emulation Server LES includes the following LECS connect phase in which a LEC establishes a configuration data direct VCC to the LECS optional The configuration phas...

Страница 25: ...hase The Processes connecting the LEC to the ELAN are shown in Figure 1 4 Figure 1 4 Connection Processes of the LEC to LANE Server Registration The address registration function is the mechanism by w...

Страница 26: ...igure 1 5 Address Resolution Connection Management In Switched Virtual Connection SVC environments the LAN Emulation entities LEC LES and BUS set up connections between each other using UNI signaling...

Страница 27: ...devices The LAN Emulation standards do not specify how each vendor implements each of these components Avaya provides a wide range of ATM equipment and the following example is just one way in which y...

Страница 28: ...unning Refer to the user guide that accompanies your LECS for more details of the policies your LECS uses If the network does not have a LECS the LEC gets the LES address from the management software...

Страница 29: ...h which each destination MAC address can be reached Prior to sending a frame with a known destination the LEC checks the ARP Table to see if the destination MAC address of the frame is listed in the A...

Страница 30: ...e sending LEC If the location of the destination address is known the LEC sets up a direct connection to the LEC serving the destination address If the location of the destination address is unknown a...

Страница 31: ...Asynchronous Transfer Mode ATM Layer Physical Layer The Layered Network Architecture Asynchronous Transfer Mode ATM is one part of the layered network architecture This architecture is shown in Figur...

Страница 32: ...ATM Adaptation Layer protocol which is a data oriented protocol The ATM access module will only work with other devices using the AAL5 ATM adaptation layer protocol Asynchronous Transfer Mode ATM Laye...

Страница 33: ...ere uniform shape and weight containers with standardized labelling ease and speed up processing Cell switching is less complex and more reliable ATM hardware can be implemented more efficiently becau...

Страница 34: ...data connection can be set up between two end systems a number of control connections are set up These control connections are beyond the scope of this guide If you require further information about...

Страница 35: ...ing the ATM address of the final destination device each cell header contains the VPI VCI values associated with the virtual channel it is going to take to get to the next ATM Switch in the connection...

Страница 36: ...signalling protocol to dynamically define connections as they are needed and to release them when they are no longer needed SVCs use signalling for Connections initiated by the user application Connec...

Страница 37: ...me network The ATM Interfaces are shown in Figure 1 13 Figure 1 13 ATM Interfaces The User to Network Interface UNI is managed by the Interim Local Management Interface ILMI protocol Interim Local Man...

Страница 38: ...s module initializes the ATM Switch sends a network prefix to the module The module then tries to register itself with the ATM Switch by attaching the prefix to the front of its MAC address and an ide...

Страница 39: ...to its destination Payload Type Identifier PTI The PTI is used to indicate whether the cell contains user information or management information The management information is used for resource and net...

Страница 40: ...ANs into the ATM Network You can use LAN Emulation to define and extend VLANs seamlessly through the ATM network as shown in the example in Figure 1 17 Traffic from one Emulated LAN ELAN is not seen o...

Страница 41: ...ciated packets cells are discarded Figure 1 16 VLAN to ELAN Mapping Lecturer LEC Lecturer LEC Lecturer ELAN Lecturer VLAN Lecturer VLAN Admin LEC Admin LEC Admin ELAN Admin VLAN Admin VLAN Student LEC...

Страница 42: ...re 1 17 Extending VLANs into the ATM Network Admin ELAN Student ELAN Lecturer ELAN Building 1 Building 2 Building 3 Student VLAN Lecturer VLAN Admin VLAN ATM Network Server Key Workstation Avaya P330...

Страница 43: ...ed In particular you should consider the location of your LAN Emulation services Does your existing ATM network have sufficient resources Consider the capacity of Your ATM Switches and the number of a...

Страница 44: ...e including device to network connectors should not exceed 15 km 9 32 miles supports 62 5 125mm multi mode fiber MMF PMD cable The maximum inter station distance including device to network connectors...

Страница 45: ...Table When a LAN Emulation Client LEC joins an ELAN up to five control connections may be required before any data is transferred over a separate data connection VCC Each time a LEC connects to anothe...

Страница 46: ...u can enter settings using the Port Configuration screen described in the Section Configuring an ATM Port 2 65 ATM Connections Within Your Network ATM connections in your ATM network can be establishe...

Страница 47: ...tency high speed data switching Ethernet VLANs can be extended into the ATM network using Emulated LANs ELANs Ethernet packets are then switched between Ethernet to ATM transparently As well as provid...

Страница 48: ...Access Modules User s Guide Figure 2 1 ATM Backbone in the Building Avaya P550 Avaya M770 Multifunction Switch Avaya M770 Multifunction Switch Server Fast Ethernet ATM OC 12 ATM Redundant Link Key Wor...

Страница 49: ...chosen to efficiently transfer both voice and data on a single trunk The diagram demonstrates the balance between cost and performance requirements by the use of a single high performance Avaya M770 T...

Страница 50: ...reaches the backbone Figure 2 3 shows how an M MLS routing module in one of the 2 Avaya M770 Multifunction switches can provide routing for all users on either side of the ATM network The Avaya M770...

Страница 51: ...must be carried out by qualified personnel only Before installing the module into a unit you must first disconnect the unit from the mains power supply Caution Only hold the ATM module by the edges to...

Страница 52: ...CF ATM access module equipped with multi mode fiber Warning Class 1 LED Product Do not view the LED through any magnifying device while it is powered on Never look directly at the fiber Tx port and fi...

Страница 53: ...X you get 3 7 12 10 97 DRUs Assuming that there are seven modules on both the DomainXL and Domain XR switches you get a total of 448 ports 2 If you have two M ACCF six M14 10F modules an M2 1000 modul...

Страница 54: ...include the active M SPX twice once for DomainXL and once for DomainXR DRU Budget Information Window You can check the DRU budget information for your Avaya M770 hub via the CajunView Network Manageme...

Страница 55: ...module name panel and LEDs should be on top see Figure 3 2 Fold out the plastic handles on the top and bottom of the front panel 3 While holding the module by its handles place it onto the top and bot...

Страница 56: ...t the cable you wish to connect to the port meets the correct specification For cable specifications see ATM Cable Specification85 2 Each end of the fiber cable has a transmit Tx and receive Rx connec...

Страница 57: ...verification test System timer test CAM Contents Addressable Memory tests Console Port tests Internal packet forwarding tests ASIC tests Module interface tests Module packet forwarding tests The LEDs...

Страница 58: ...s are lit during a reset Table 3 2 M ACC LEDs Descriptions LED Name Description LED Status OPR Module Operational Status ON Module is OK OFF Module is not operational Blink Module is not connected to...

Страница 59: ...se default settings are subject to change in newer versions of the software for the M ACC module which can be downloaded from the Avaya Network Software Download WWW site http www avayanetwork com See...

Страница 60: ...Verify that you can communicate with the Avaya M770 M SPX S using Ping to the IP of the M SPX S If there is no response using Ping check the IP address and default gateway of both the M SPX S and the...

Страница 61: ...e M SPX S Console port 1 Use the serial cable supplied to attach the RJ 45 console connector to the Console port of the M SPX S Supervisor module and the DB 9 connector to the serial COM port on your...

Страница 62: ...e parameters You have the 8 options listed above ATM IP Configuration Option 8 from the Main Menu ATM IP Configuration allows you to show and set the IP Configuration of the ATM entity of the M ACC AT...

Страница 63: ...and Default Gateway to the ATM access module you can begin configuring ATM Edge Device parameters such as LECS LES and BUS You can connect to the ATM access module Terminal Interface either by discon...

Страница 64: ...idging While the M ACC and M MLS bridge may be installed in the same Avaya M770 chassis Layer 2 Bridged Packets cannot pass the ATM cloud X SWITCH Domain M ACC MMLS ATM Cloud Mac A VL1 Mac B VL2 Mac C...

Страница 65: ...Terminal Interface You can also configure your Avaya M770 and ATM access module using the M770 Manager with its graphical user interface see Chapter 5 The configuration procedure involves establishin...

Страница 66: ...ions and information Mandatory keywords are in boldface Variables that you supply are in pointed brackets Optional keywords are in square brackets Alternative but mandatory keywords are grouped in bra...

Страница 67: ...the Console port of the M SPX S Supervisor module and the DB 9 connector to the serial COM port on your PC terminal 2 Ensure that the serial port settings on the PC are 9600 baud 8 bits 1 stop bit an...

Страница 68: ...in Menu Setup Main Menu M ACCF S W Version 4 2 2 Slot 5 CR Refresh the screen 0 Return to Previous Menu 1 Reset the Module 2 Software Download 3 Set Primary Version 4 Set Factory Defaults 5 Create Rep...

Страница 69: ...1 Save the Session 2 List 3 TFTP Server and File parameters 4 Start Software Download process 5 Monitor software download process Enter your choice Entering Software Download Parameters Select option...

Страница 70: ...ocess select option number 4 in the Software Download menu You are queried whether to start the software download Answer Y for the download to start Monitoring the Software Download Process To monitor...

Страница 71: ...save the desired primary version you are prompted to reboot the M ACC Type y and the M ACC will set the pointer accordingly and reboot from the newly defined primary version If you don t wish to rebo...

Страница 72: ...fect only after you perform a reset wait at least half a minute before resetting After system reset the MAC address table on all modules in the DomainX is cleared Configuration Copy Option 7 from the...

Страница 73: ...way of the ATM access module when prompted Note The default Gateway must be on the same Subnet as the IP address assigned in step 2 above for the ATM access module 4 There is no need to perform a rese...

Страница 74: ...le local management screens Logging On 1 To begin a Telnet session open it to the ATM access module IP address You will be prompted by the following 2 Type in your access level followed by your passwo...

Страница 75: ...be closed automatically To disconnect a session the disconnect command may be used Alternately it is enough simply to drop ATM connectivity in order to free resources In addition it is better to use t...

Страница 76: ...prev all clear next vcc port load progress display statistics address sigTimeRes updSysAtt snmp nmsAddr updNmsAddr authState sysAtt community display contact name location status uni updAuthTrap updRe...

Страница 77: ...system level functions System Menu Figure 4 3 System Menu Main Menu 1 system Administer system level functions 2 atm Administer ATM resources 3 management Administer IP and SNMP 4 vn Administer virtua...

Страница 78: ...Figure 4 5 allows you to change the login password at the access level for the ATM access module Figure 4 5 Passwords Submenu Reset Submenu 1 4 This option resets the ATM access module Time since rese...

Страница 79: ...message that were stored in the flash memory The maximum number of stored messages is 255 when exceeded the older messages are overwritten 2 start The index record number where the display begins 3 n...

Страница 80: ...he message that were stored in the memory log The maximum number of stored messages is 255 when exceeded the older messages are overwritten 2 start The index record number where the display begins 3 n...

Страница 81: ...ess module Configuration The submenus show the settings and standards used by the ATM access module to communicate with other devices on the ATM network Note It is unlikely that you will need to chang...

Страница 82: ...perational meaning of each of the submenu items above Table 4 4 Operational Meanings of Port Submenu Items Port Submenu Item Operational Meaning 1 display Shows the current ATM port attributes See Fig...

Страница 83: ...4 13 ATM Port Physical Submenu VCC Submenu 2 2 The VCC submenu enables you to see ATM VCC attributes and display statistics and settings See Figure 4 14 Admin Status Up Oper Status Up UNI version 3 1...

Страница 84: ...aning 1 display Displays a table of source and destination ATM addresses and VPI VCI associated with the addresses 2 statistics Displays statistics for each Virtual Circuit VCC See the Section Monitor...

Страница 85: ...iguration To change the IP subnet mask or default gateway you must use the X Switch Command Line Interface CLI 51 SNMP Configuration Submenu 3 2 Figure 4 17 displays the SNMP submenu Figure 4 17 SNMP...

Страница 86: ...u to configure the NMS IP address used for sending traps 3 authState Display authentication trap generation state Displays the current state 4 upAuthTrap Update authentication trap generation Allows y...

Страница 87: ...bmenu 3 2 6 Figure 4 19 Community Submenu 3 2 7 Attribute Menu 1 contact Update System Contact 2 name Update System Name 3 location Update System Location Community Menu 1 read Display read community...

Страница 88: ...ons should be the same You cannot change or delete the default ELAN to VLAN association Default ELAN associated to VLAN 1 but only Enable Disable it Warning If you want to use redundancy between 2 M A...

Страница 89: ...ternal VLAN ELAN identifier 1 16 Configured ELAN name Used to display Emulated LAN name used to retrieve LES BUS information from the LECS Actual ELAN name ELAN name used by the LES possibly different...

Страница 90: ...can enable disable or restart a VN LEC 6 name Allows you to change an ELAN name for a selected VN VN Number ELAN Name 7 les Changes the LES ATM address in the absence of a LECS VN Number LES ATM addre...

Страница 91: ...er Preparing local management Actual downloading filename Piccolo tsl Resetting the device Before starting the TFTP upgrade procedure make sure that the software file resides on the TFTP local disk Do...

Страница 92: ...the user guide that accompanies the ATM Switch for information about the statistics that are provided by the ATM Switch software ATM access module statistics screens are updated every 2 seconds to sh...

Страница 93: ...and normal Ethernet traffic The parameters of this display are explained in Table 4 8 below Table 4 8 Port Statistics Display Items and their Meanings Display Item Meaning In Cells Number of incoming...

Страница 94: ...VCC submenu see Table 4 5 appear 3 Select the 2 Statistics option 4 Enter the VPI VCI of the VCC traffic you want to monitor 5 The VCC Statistics display see Figure 4 23 appears Figure 4 23 VCC Stati...

Страница 95: ...es you to easily manage LAN Emulation on an ATM network by providing an overall view of both the physical and logical structure of the network and the configuration parameters of the LANE components C...

Страница 96: ...vice SMON refer to The M770 Device SMON User s Guide Starting the M770 Manager This section provides instructions for starting the M770 Manager M770 Manager as Part of CajunView If you installed the M...

Страница 97: ...jun LANEMaster contains the following wizards LANE Wizard which enables you to Set up LANE on an ATM network using default parameters for the network Set up LANE on an ATM network via a series of simp...

Страница 98: ...he network The right side of the user interface contains the Table View and the Form View These views provides details about specific elements in the network When an element in the tree is selected th...

Страница 99: ...Chapter 5 Network Management and Monitoring Avaya M770 M ACCF SF ATM Access Modules User s Guide 83 Figure 5 1 Cajun LANEMaster Window...

Страница 100: ...Chapter 5 Network Management and Monitoring 84 Avaya M770 M ACCF SF ATM Access Modules User s Guide...

Страница 101: ...cation The specifications in this section relate to the applicable standards for two cable technologies optical and SDH and design performances of two types of fiber cable multi mode and single mode T...

Страница 102: ...meters 1 25 miles Table A 3 shows the cable specifications for standard multi mode cabling Table A 3 Standard Multi mode Cable Specifications SONET Type Alternative Cable Specifications Distance Modal...

Страница 103: ...Sensitivity dBm OC 12c MMF 6 0 20 to 14 26 LED Based 2 0 24 to 14 26 OC 3c MMF 6 0 20 to 14 26 OC 12c Transceiver Based 2 0 24 to 14 26 Table A 5 Standard Single Mode Cable Specifications OC 12c OC 3c...

Страница 104: ...personnel only This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 950 the conditions of which are maintained only if the equipment to which it is installed is also oper...

Страница 105: ...e M ACC Access module s Console port Check whether IP and gateway addresses have been defined for the module 3 Check that the OPR and ATM LEDs are ON 2 No response to ping when your PC is connected vi...

Страница 106: ...Appendix B Troubleshooting 90 Avaya M770 M ACCF SF ATM Access Modules User s Guide...

Страница 107: ...connections per ELAN 29 planning your network 27 port configuration 65 port statistics 76 terminology I ATM Adaptation Layer AAL Segmentation and Reassembly SAR 16 ATM address format 22 of LES in LEC...

Страница 108: ...k technology 16 required per ELAN 29 control connections 29 control VCC 5 conventions notice icons III text III creating new ELAN VLAN 73 D data frame 3 data transfer 8 data VCC 6 deleting ELAN VLAN 7...

Страница 109: ...ting 3 LES ATM addresses registered in 4 directory populating 4 LUNI 8 logging off 59 M MAC address number of addresses supported 29 proxy 13 14 manual configuration planning 30 multicast packets 24 m...

Страница 110: ...P server 75 U unicast frames 14 flush protocol 7 paths 7 unicast packets 24 updating authentication trap generation 70 NMS IP address 70 user guide finding information II users default 58 User to Netw...

Страница 111: ...Azerbaijan 31 70 414 8047 Ghana 31 70 414 8044 Bahrain 800 610 Gibraltar 31 70 414 8013 Belgium 32 2 626 8420 Greece 00800 3122 1288 Belorussia 31 70 414 8047 Hungary 06800 13839 Bosnia Herzegovina 3...

Страница 112: ...co 31 70 414 8055 Tanzania 31 70 414 8060 Netherlands 31 70 414 8023 Tunisia 31 70 414 8069 Nigeria 31 70 414 8056 Turkey 800 4491 3919 Norway 47 235 001 00 UAE 31 70 414 8036 Oman 31 70 414 8057 Ugan...

Страница 113: ...998 Fax 1 720 444 9103 For updated information visit www avayanetwork com and click Global Support Organization GSO Country Local Dial In Number Country Local Dial In Number Australia 1800 255 233 Ma...

Страница 114: ...F SF ATM Access Modules User s Guide avaya com All trademarks registered trademarks service names product and or brand names are the sole property of their respective owners Copyright 2001 Avaya Inc A...

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