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65CNPbk0.book Page 2 Monday, September 13, 1999 1:43 PM Throughout this guide, blocks of text may be accompanied by an icon and printed in bold type or in italic type. These blocks are notes, notices, cautions, and warnings, and they are used as follows: NOTE: A NOTE indicates important information that helps you make better use of your computer system.
65CNPbk0.book Page iii Monday, September 13, 1999 1:43 PM Asynchronous Transfer Mode (ATM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ATM LANE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Differences Between LANs and ATM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Services Provided by LANE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 What Is an ELAN? .
65CNPbk0.book Page iv Monday, September 13, 1999 1:43 PM Saving the Configuration in the /etc/rc File . . . . . . . . . . . . . . . . . . . . . . . . . 16 Configuring the /etc/hosts file. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Configuring Additional ATM Adapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Connecting to an ATM Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 ATM Cable Requirements . . . . . . . . . . .
65CNPbk0.book Page 1 Monday, September 13, 1999 1:43 PM ! This document discusses the following topics: Asynchronous transfer mode (ATM) Connecting to an ATM network Connecting to a fiber distributed data interface (FDDI) network Command reference guide ATM is a network technology that combines the features of cell-switching and multiplexing to offer reliable and efficient network services.
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65CNPbk0.book Page 3 Monday, September 13, 1999 1:43 PM An ELAN consists of the following components: A single LANE service, which itself consists of a LAN Emulation Configuration Server (LECS), a LAN Emulation Server (LES), and a Broadcast and Unknown Server (BUS). Each of these components are discussed in more detail later in this document. A set of LECs.
65CNPbk0.book Page 4 Monday, September 13, 1999 1:43 PM Within the LANE Service, the LES is responsible for coordinating the control functions, while the LECS serves network clients by supplying ELAN configuration information. Finally, the BUS forwards broadcast and multicast frames, and handles unresolved unicast frames.
65CNPbk0.book Page 5 Monday, September 13, 1999 1:43 PM UNI load balancing and adapter failover does not require any configuration. However, you can statically configure or disable UNI load balancing, if desired. ")) ! This release of Data ONTAP supports the following features and standards: ATM Forum LANE Version 1.0 LEC Support UNI 3.0 and 3.
65CNPbk0.book Page 6 Monday, September 13, 1999 1:43 PM & ' $ ( To start the configuration, perform the following steps: 1. Type the following commands to make sure the ATM adapter is functioning: adinfo — To check that the ATM adapter is installed and functioning properly adstat — To check that the ATM adapter has a working physical connection to the ATM network 2. Check that the UNI is operational. The UNI provides an interface between ATM clients and the ATM switch.
65CNPbk0.book Page 7 Monday, September 13, 1999 1:43 PM You might want to note the unit number for any ATM adapters you plan to configure in the near future. You can also perform the adinfo command again at any time to determine the correct unit number. ' $ ## The ATM adapter in your filer should be properly connected using the appropriate cabling. To check that your filer has a working physical connection to your ATM network, use the adstat command.
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65CNPbk0.book Page 9 Monday, September 13, 1999 1:43 PM ' ( ' To configure the LECS address for your ATM adapter, use the elconfig set command. Command syntax: The elconfig set command has the following syntax: ' , % '% = . > . ATM_address is the ATM address of the LECS on the network. unit_number is the unit designator for the ATM adapter in the filer.
65CNPbk0.book Page 10 Monday, September 13, 1999 1:43 PM Interpreting the output: Verify that each of the ELANs on the network appears in the output, and that the LAN Type and LES ATM addresses appear as expected. There should be a separate line for each configured ELAN on the network, grouped and arranged for each ATM adapter that is installed in the filer.
65CNPbk0.book Page 11 Monday, September 13, 1999 1:43 PM ) To add the ELAN to the adapter, use the elconfig add command. Command syntax: The elconfig add command has the following syntax: 2 4 2 4 ) + 4 ELAN is the Emulated LAN that you want the adapter to join. interface is the logical network interface. unit_number is the unit designator for the ATM adapter in the filer.
65CNPbk0.book Page 12 Monday, September 13, 1999 1:43 PM For more information about the netmask parameter and the ifconfig command, refer to the System Administrator and Command Reference Guide.
65CNPbk0.book Page 13 Monday, September 13, 1999 1:43 PM $ ( $ #)! $ " 1. Verify the communication link. 2. Check the configuration settings. 3. Check the other elements of the ELAN. 4. Modify the load balancing setting, if desired. 5. Save the configuration in the /etc/rc and /etc/hosts files.
65CNPbk0.book Page 14 Monday, September 13, 1999 1:43 PM Example: The abbreviated sample output (showing ELANs on Adapter 2 only) from this command is as follows: ! "#$ #%$ $ $ $ $ $ & '$ () (* + ,*(- + "#$ 0$1 $22 ' $ $2 ' $" '%$ "1' " '%$'" 3 2 - .
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65CNPbk0.book Page 16 Monday, September 13, 1999 1:43 PM By default, all ATM adapters are dynamically assigned to load balancing groups. In this case, no configuration is necessary to activate the load balancing and failover features. $ " # After you successfully configure each of the ATM adapters in the filer and verify their proper operation, you should do the following: Save the commands in the /etc/rc file for automatic execution at boot time.
65CNPbk0.book Page 17 Monday, September 13, 1999 1:43 PM $ " . . ! Save the host and IP address information of the ELAN configuration in the /etc/hosts files.
65CNPbk0.book Page 18 Monday, September 13, 1999 1:43 PM ATM card duplex fiber optic cable ! "#$ !% &$ & This section describes how to configure ATM PVCs. ) $ ATM supports two types of SPANS connections: SVCs and PVCs. ' +$ The filer dynamically assigns SVCs when interoperating with ATM hosts and with switches that support the FORE/IP over SPANS protocols.
65CNPbk0.book Page 19 Monday, September 13, 1999 1:43 PM PVCs are static; for each destination, you must establish (attach the IP layer to) a PVC explicitly and delete (detach the IP layer from) the PVC explicitly.
65CNPbk0.book Page 20 Monday, September 13, 1999 1:43 PM aal ATM adaptation layer type. It must be 4 or 5, and should be the AAL type supported by the destination host, which is typically 5. The default is 5. encap Encapsulation type.
65CNPbk0.book Page 21 Monday, September 13, 1999 1:43 PM To display information about all the current FORE/IP PVCs, type the following command: 2 + A display similar to the following appears: 2 + iface=a5 switch.port=f21a2420.56 vpi.vci=0.114 aal=5 encapsulation=NULL iface=a5 switch.port=f21a2420.25 vpi.vci=0.113 aal=5 encapsulation=NULL ! /* . +$ You can delete outgoing and incoming FORE/IP PVCs.
65CNPbk0.book Page 22 Monday, September 13, 1999 1:43 PM % ! & ' FDDI-TP (single-attached) Category 5 unshielded twisted-pair (UTP) or Category 5 sheath-shielded, 100-ohm twisted-pair (TP) cable with a TP-MIC plug.* RJ45 connector. FDDI fiber (single-attached or dual-attached) Duplex 62.5/125 micron or 50/125 micron multimode fiber optic cable with SC connectors. Duplex SC connector.
65CNPbk0.book Page 23 Monday, September 13, 1999 1:43 PM ( ' ((# 1. To connect port A, push a duplex FDDI fiber optic cable connector into the card’s bottom connector (port A) until it clicks and locks into place. Figure 3 shows port A and port B on the dual-attached FDDI fiber card and two duplex FDDI fiber optic cables. 2. To connect port B, push a cable connector into the card’s top connector (port B) until it clicks and locks into place.
65CNPbk0.book Page 24 Monday, September 13, 1999 1:43 PM , &+ " Pin Function 1 and 2 Relay drive: +5.
65CNPbk0.book Page 25 Monday, September 13, 1999 1:43 PM NAME adconfig - Configuration tool for ATM devices SYNOPSIS adconfig device adconfig -p vpi-bits device adconfig -l on | off device adconfig -f sonet | sdh device adconfig -i idle | unassigned device adconfig -c external | internal device DESCRIPTION adconfig is a tool to display and modify the current configuration of an ATM device.
65CNPbk0.book Page 26 Monday, September 13, 1999 1:43 PM CLUSTER CONSIDERATIONS You cannot run this command in partner mode. Interface names are those on the live filer. ERRORS No such device This indicates that the specified device is invalid.
65CNPbk0.book Page 27 Monday, September 13, 1999 1:43 PM NAME adinfo - Show ATM device information SYNOPSIS adinfo [ -c | device ] DESCRIPTION adinfo is a tool to display information about ATM devices, or the copyright notice if the -c option is specified. If device is given, then information about the specified device is displayed. Otherwise, information is displayed for all ATM devices.
65CNPbk0.book Page 28 Monday, September 13, 1999 1:43 PM NAME adstat - Show ATM device driver statistics SYNOPSIS adstat [ -poa045d ] device [ interval ] DESCRIPTION The adstat program displays Physical layer, ATM layer, ATM Adaptation Layer (AAL), and device-specific counters gathered by the ATM device driver. The device argument is the name of the ATM device, for example fatm1. If interval is specified, adstat summarizes activity during each interval second period.
65CNPbk0.book Page 29 Monday, September 13, 1999 1:43 PM CS-PDUs Number of PDUs to (input) or from (output) CS-sublayer. CSProto Number of CS-PDUs received with protocol errors. Pay-CRC Number of cells (AAL 4) or CS-PDUs (AAL 5) received with bad payload CRC. SARProto Number of cells received with SAR protocol errors. Section BIP Number of PMD section layer BIP errors detected in STS stream. Path BIP Number of PMD path layer BIP errors detected in STS stream.
65CNPbk0.book Page 30 Monday, September 13, 1999 1:43 PM OPTIONS -p Display physical layer statistics. -o Display physical media device (PMD) error statistics. -a Display ATM layer statistics. -0 Display statistics about “null” AAL traffic. -4 Display statistics about AAL 4 traffic. -5 Display statistics about AAL 5 traffic. -d Display device specific statistics. CLUSTER CONSIDERATIONS You cannot run this command in partner mode.
65CNPbk0.book Page 31 Monday, September 13, 1999 1:43 PM NAME atmarp - Manipulate FORE/IP Internet-to-ATM address mappings SYNOPSIS atmarp [ -N ] hostname atmarp [ -N ] -a atmarp -s hostname device vpi vci aal [encapsulation] [peak] atmarp -l device vpi vci aal [decapsulation] atmarp -d hostname atmarp -x device vpi vci atmarp -f DESCRIPTION The atmarp program displays and deletes FORE/IP Internet-to-ATM address translation table entries used by the ATM address resolution protocol.
65CNPbk0.book Page 32 Monday, September 13, 1999 1:43 PM -x Detach IP from an incoming SVC or PVC. IP traffic will no longer be accepted on the specified VPI and VCI. -f Delete all dynamic address mappings from the ATM ARP table and close all Switched Virtual Circuits (SVCs) to all hosts in the table. NOTES The allowed values for vpi, vci, aal, and peak will depend on the capabilities of the ATM adapter used by the given interface.
65CNPbk0.book Page 33 Monday, September 13, 1999 1:43 PM NAME atmconfig - FORE/IP configuration tool SYNOPSIS atmconfig device atmconfig -q peak | off device atmconfig -c vpi vci aal [ peak ] device atmconfig -s vpi vci aal [ peak ] device DESCRIPTION atmconfig is a tool to display and modify the current FORE/IP configuration. If no action is indicated for the specified device, the configuration information for the device is displayed.
65CNPbk0.book Page 34 Monday, September 13, 1999 1:43 PM NAME elarp - Displays or manipulates MAC-to-ATM address mappings SYNOPSIS elarp show [ -elan elan | -mac mac ] [ -unit unit ] elarp delete -all | -elan elan | -mac mac [ -unit unit ] DESCRIPTION elarp is a tool to display and delete MAC-to-ATM address ARP cache entries and associated Switch Virtual Circuits (SVCs). Used in conjunction with the ATM Forum LAN Emulation Client (LEC).
65CNPbk0.book Page 35 Monday, September 13, 1999 1:43 PM % elarp show -all 8:0:9:e3:44:d0 8:0:20:7a:c2:8d 8:0:20:78:ef:9a at 0x47.0005.80.ffe100.0000.f21a.264c.00a0360081da.
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65CNPbk0.book Page 37 Monday, September 13, 1999 1:43 PM The -auto flag is used to delete an Automatic ELAN that was specified by -auto flag during the add operation. Used with the -lecs flag, remove the current LECS from the configuration. A LECS may be deleted only if no ELANs are currently configured from that LECS. set -lecs If the single argument, ATMaddress is used, set the ATM address of the LECS to ATMaddress and mark this LECS as current.
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