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Cisco CX-AIP-TM Installation And Configuration Manual

Asynchronous transfer mode interface processor
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Customer Order Number:
Documentation Part Number:
Asynchronous Transfer Mode Interface Processor
(AIP) Installation and Configuration
Product Numbers: CX-AIP-TM=, CX-AIP-SM=, CX-AIP-SS=, CX-AIP-E3=,
CX-AIP-DS3=, CLIP-E3-EMI=, and CAB-ATM-DS3/E3=
This configuration note contains instructions for installing and configuring the Asynchronous
Transfer Mode (ATM) Interface Processor (AIP) in a Cisco 7000 series or Cisco 7500 series router.
Included are basic configuration steps and examples.
The following sections are included in this configuration note:
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For additional descriptions of interface subcommands and additional configuration options available
for ATM interfaces, refer to the publications listed in the section "If You Need More Information"
on page 2.
Corporate Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
Copyright © 1997
Cisco Systems, Inc.
All rights reserved.
DOC-AIP-CN=
78-1214-05
1

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  • Page 1: Table Of Contents

    CX-AIP-DS3=, CLIP-E3-EMI=, and CAB-ATM-DS3/E3= This configuration note contains instructions for installing and configuring the Asynchronous Transfer Mode (ATM) Interface Processor (AIP) in a Cisco 7000 series or Cisco 7500 series router. Included are basic configuration steps and examples. The following sections are included in this configuration note: •...

  • Page 2: If You Need More Information

    The Cisco IOS software running your router contains extensive features and functionality. The effective use of many interface processor features is easier if you have more information at hand. For additional information on configuring the Cisco 7000 series and Cisco 7500 series routers and interface processors, the following documentation resources are available: •...

  • Page 3: Atm Terms And Acronyms

    ATM Terms and Acronyms ATM Terms and Acronyms The following are common ATM terms and acronyms for your reference: AAL—ATM Adaptation Layer. An AAL defines the conversion of user information into cells. AAL1 and AAL2 handle isochronous traffic, such as voice and video; AAL3/4 and AAL5 pertain to data communications through the segmentation and reassembly of packets.

  • Page 4: Asynchronous Transfer Mode Overview

    An AAL defines the conversion of user information into cells. The AAL segments upper-layer information into cells at the transmitter and reassembles them at the receiver. AAL3/4 and AAL5 support data communications. AAL3/4 is supported as of Cisco IOS Release 10.2 and later. 4 Asynchronous Transfer Mode Interface Processor (AIP) Installation and Configuration...

  • Page 5: What Is The Aip

    ATM Interface Processor (AIP) U111, microcode ROM The AIP provides a direct connection between the high-speed Cisco Extended Bus (CxBus and CyBus) and external ATM networks. A physical layer interface module (PLIM) on the AIP determines the type of ATM connection. There are no restrictions on slot locations or sequence; you can install an AIP in any available interface processor slot.
  • Page 6 AIP Interface Types • Both AAL5 and AAL3/4. AAL3/4 is supported as of Cisco IOS Release 10.2 and later. Note • Exception queue, which is used for event reporting. Events such as CRC errors are reported to the exception queue.

  • Page 7: Aip Installation Prerequisites

    Software Requirements The AIP is compatible with any Cisco 7000 series router that is operating with the following system software: Cisco IOS Release 10.0 or later. To ensure correct operation of the E3, DS3, and TAXI AIPs, Hardware Revision 1.3 (shipped from March 1995), the following minimum Cisco IOS release levels are required: 10.0(9), 10.2(5),...
  • Page 8 AIP Installation Prerequisites Hardware Requirements To ensure correct operation of the E3, DS3, and TAXI AIPs, Hardware Revision 1.3 (shipped from March 1995), the following minimum Cisco IOS release levels are required: 10.0(9), 10.2(5), 10.3(1), or later. Caution To ensure compliance with EMI standards, the E3 PLIM connection requires an EMI filter clip (CLIP-E3-EMI) on the receive port (RCVR).
  • Page 9 AIP Installation Prerequisites Attenuation is significantly lower for optical fiber than for other media. For multimode transmission, chromatic and modal dispersion reduce the available power of the system by the combined dispersion penalty (dB). The power lost over the data link is the sum of the component, dispersion, and modal losses.
  • Page 10 AIP Installation Prerequisites Table 4 lists the factors that contribute to link loss and the estimate of the link loss value attributable to those factors. Table 4 Estimating Link Loss Link Loss Factor Estimate of Link Loss Value Higher order mode losses 0.5 dB Clock recovery module 1 dB...
  • Page 11 AIP Installation Prerequisites Multimode Power Margin Example of Dispersion Limit Following is an example with the same parameters as the previous example, but with a multimode link distance of 4 km: PM = 11.5 dB – 4 km (1.0 dB/km) – 4 (0.5 dB) – 3 (0.5 dB) – 0.5 dB (HOL) – 1 dB (CRM) PM = 11.5 dB –...
  • Page 12 AIP Installation Prerequisites List of Parts and Tools You need the following tools and parts to install or upgrade an AIP. If you need additional equipment, contact your service representative for ordering information. • Number 2 Phillips screwdriver • 3/16-inch flat-blade screwdriver •...
  • Page 13 AIP Installation Prerequisites Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare Avvertenza infortuni alle persone. Prima di lavorare su qualsiasi apparecchiatura, occorre conoscere i pericoli relativi ai circuiti elettrici ed essere al corrente delle pratiche standard per la prevenzione di incidenti. La traduzione delle avvertenze riportate in questa pubblicazione si trova nel documento Regulatory Compliance and Safety Information (Conformità...
  • Page 14 AIP Installation Prerequisites Telephone Wiring Use the following guidelines when working with any equipment that is connected to telephone wiring or to other network cabling: • Never install telephone wiring during a lightning storm. • Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
  • Page 15 AIP Installation Prerequisites Interface Processor Slot Locations The AIP is installed in the interface processor slots in the Cisco 7000 series and Cisco 7500 series routers. The interface processor slots in the Cisco 7000 series and Cisco 7500 series routers are as follows: •...
  • Page 16 AIP Installation Prerequisites Figure 3 Cisco 7010 Interface Processor Slots RSP7000CI slot 4 RSP7000 slot 3 Interface processor slot 2 Interface processor slot 1 Interface processor slot 0 Power switch DC OK LED Chassis ground screw Power receptacle AC-input power supply...
  • Page 17 AIP Installation Prerequisites Figure 5 Cisco 7507 Interface Processor Slots aptive stallation screw pper ower supply hassis rounding eceptacles aptive stallation screw ower ower supply Slot 0 RSP slots Asynchronous Transfer Mode Interface Processor (AIP) Installation and Configuration...
  • Page 18 AIP Installation Prerequisites Figure 6 Cisco 7513 Interface Processor Slots Blower module Cable-management bracket Card cage and processor modules Interface processor slots 9 10 11 12 Guidelines for Interface Processor Removal and Installation This section describes the mechanical functions of system components and emphasizes the importance of following correct procedures to avoid unnecessary board failures.

  • Page 19: Interface Processor Replacement Procedures

    Interface Processor Replacement Procedures Typically, your interface processors arrive preinstalled in your Cisco 7000 series and Cisco 7500 series routers (with the exception of the Cisco 7513); however, occasionally you might have to remove and replace interface processors for maintenance.
  • Page 20 Interface Processor Replacement Procedures If you install or remove other interface processors in a Cisco 7000 series or Cisco 7500 series Note router with a CT3IP installed, you might have to reboot the system after the removal and replacement of that interface processor. (In general, and to prevent system problems, we recommend you follow the procedures described in this section and the guidelines described in the preceding section “Guidelines for Interface Processor Removal and Installation.”)
  • Page 21 Cisco 7507 and Cisco 7513, we recommend that you install interface processors starting with the slots closest to the RSPs and work out concentrically from there. This will help prevent electromagnetic interference (EMI).
  • Page 22 Interface Processor Replacement Procedures Interface processors and interface processor fillers are secured with two captive Step 3 installation screws. (See Figure 8a.) Use a flat-blade screwdriver to loosen the captive installation screws and remove the interface processor filler (or the existing interface processor) from the slot.

  • Page 23: Atm Interface Cables

    ATM Interface Cables Place the back of the interface processor in the slot and align the notch on the bottom of Step 5 the carrier with the groove in the slot. (See Figure 8a.) While keeping the interface processor parallel to the backplane, carefully slide the Step 6 interface processor into the slot until the back of the faceplate makes contact with the ejector levers, then stop.
  • Page 24 ATM Interface Cables Following are descriptions of the network interface cables used with the AIP. • For TAXI 4B/5B traffic over multimode fiber, use the multimode MIC interface cable to connect the AIP with the external ATM switch. (See Figure 9.) Figure 9 Multimode Network Interface Connector (MIC Type) •...
  • Page 25 Note To ensure correct operation of the TAXI, E3, and DS3 AIPs, Hardware Revision 1.3 (shipped from March 1995), the following minimum Cisco IOS release levels are required: Release 10.0(9), 10.2(5), 10.3(1) or later. Asynchronous Transfer Mode Interface Processor (AIP) Installation and Configuration...
  • Page 26 ATM Interface Cables • For multimode SONET connections, connect the multimode cable to the SC connector on the PLIM. (See Figure 15.) Figure 15 SONET Multimode SC Duplex PLIM The SONET multimode SC-duplex connector is shipped with a dust plug. (See Figure 16.) Remove it by pulling on the plug as you squeeze its sides.
  • Page 27 PLIM connectors, as shown in Figure 18. To ensure correct operation of the E3, DS3, and TAXI AIPs, Hardware Revision 1.3 (shipped from March 1995), the following minimum Cisco IOS release levels are required: 10.0(9), 10.2(5), 10.3(1), or later.
  • Page 28 ATM Interface Cables Attaching Network Interface Cables to the AIP All AIP interfaces are full duplex. You must use the appropriate ATM interface cable to connect the AIP to an external ATM network. The AIP provides an interface to an ATM switching fabric for transmitting and receiving data at up to 155 megabits per second (Mbps) bidirectionally.
  • Page 29 ATM Interface Cables Use the following procedure to install a CAB-ATM-DS3/E3 cable and EMI filter clip: Attach the CAB-ATM-DS3/E3 cable to the transmit (XMTR) and receive (RCVR) ports Step 1 on the E3 PLIM, as shown in Figure 21A. One portion of the cable has a white insulator on both ends to ensure that the receive-to-transmit and transmit-to-receive relationship is maintained between the E3 PLIM and your ATM switch.

  • Page 30: Using Leds To Check Aip Status

    Using LEDs to Check AIP Status Figure 21 Attaching CAB-ATM-DS3/E3 and EMI Filter Clip to E3 or DS3 PLIMs White insulator White insulator To RX of switch To TX of switch EMI filter clip Using LEDs to Check AIP Status Each AIP model has three status LEDs on its faceplate.
  • Page 31 Using LEDs to Check AIP Status AIP LEDs function as follows: • Enabled—When on, this LED indicates that the AIP is enabled for operation; however, the interface ports might not be functional or enabled. • RX cells —When on, indicates that the AIP has received an ATM cell. This LED will flicker in normal operation, indicating traffic.

  • Page 32: Configuring The Aip

    Configuring the AIP Use the show interfaces or show controllers cbus command to verify the status of the Step 5 ATM interface. (If the ATM interface is not configured, you must use the procedures in the section “Configuring the AIP” to configure the interface.) If an error message displays on the console terminal, refer to the appropriate reference publication for error message definitions.
  • Page 33 IP address, MTU size, AAL mode, and desired rate queues. Interface Port Numbering for the ATM Interface The Cisco 7000 series and Cisco 7500 series routers identify an interface address by its interface processor slot number and port number in the format slot/port. Because each AIP contains a single ATM interface, the port number is always 0.
  • Page 34 Configuring the AIP At the prompt, specify the new ATM interface to configure by entering the interface Step 2 command, followed by the type (atm) and slot/port (interface processor slot number/port number). The example that follows is for an AIP in interface processor slot 1: Router(config)# interface atm 1/0 If IP routing is enabled on the system, you can assign an IP address and subnet mask to...
  • Page 35 Configuring the AIP Virtual circuits get the entire bandwidth of the associated rate queue. If over subscription occurs, the other rate queues in bank A will miss the service opportunities. In the worst case, a 10-Mbps rate queue will take 100 Mbps if there are 10 VCs attached to it and all of them have packets to send at the same time.
  • Page 36 Configuring the AIP Setting the MTU Size To set the maximum transmission unit (MTU) size, use the following command: Router(config-if)# mtu bytes where bytes is in the range of 64 through 9188 bytes; the default is 4470 bytes. (4470 bytes exactly matches FDDI and HSSI interfaces for autonomous switching.) The no form of the command restores the default: Router(config-if)# no mtu...
  • Page 37 AIP. These PVCs are writable into the nonvolatile RAM (NVRAM) as part of the configuration and are used when the Cisco IOS image is reloaded. Some ATM switches have point-to-multipoint PVCs that do the equivalent of broadcasting. If a point-to-multipoint PVC exists, then that PVC can be used as the sole broadcast PVC for all multicast requests.
  • Page 38 Configuring the AIP To create a PVC on the AIP interface, you use the atm pvc command as follows: Router(config-if)# atm pvc vcd vpi vci aal-encap protocol-type-for-mux [ peak-rate ] [ average-rate ] [ cell-quota ] where: • vcd is a per-AIP unique index value describing this VC in the range of 1 to MAXVC. •...
  • Page 39 AAL5 processing. Mapping a Protocol Address to a PVC The Cisco IOS software supports a mapping scheme that identifies the ATM address of remote hosts/routers. This address can be specified either as a virtual circuit descriptor (VCD) for a PVC or a network service access point (NSAP) address for SVC operation.
  • Page 40 Configuring the AIP AIP Statistics The AIP will maintain a count of certain errors. In addition to keeping a count of these errors, the AIP will also take a snapshot of the last VCI/VPI that caused an error. Each AIP error counter is 16 bits.
  • Page 41 Configuring the AIP Using show Commands to Check the Configuration Following are descriptions and examples of the show commands that display AIP configuration information: • Use the show controllers cbus command to display the internal status of the system processor and each interface processor, including the interface processor slot location, the card hardware version, and the currently-running microcode version.
  • Page 42 Configuring the AIP • Use the show atm vc command to display statistics for all PVCs, as follows: Router# show atm vc Intfc. Input Output AAL/Encaps Peak Avg. Burst ATM0/0.1 1 AAL3/4-SMDS ATM0/0 AAL5-SNAP ATM0/0 AAL5-SNAP ATM0/0 AAL5-MUX ATM0/0 2722 AAL5-SNAP ATM0/0 AAL5-SNAP...
  • Page 43 files, and the boot images. The following sample shows the output of the show version command from a Cisco 7513: Router> show version Cisco Internetwork Operating System Software IOS (tm) GS Software (RSP-JV-MZ), Released Version 11.1(10)CA [biff 135]...
  • Page 44 • Example of Connecting Two AIPs Back to Back For additional configuration examples, refer to the appropriate Cisco IOS software configuration publications listed in the section “If You Need More Information” on page 2. Example of PVCs with AAL5 and LLC/SNAP Encapsulation The following example creates PVC 5 on ATM interface 3/0 using LLC/SNAP encapsulation over AAL5.
  • Page 45 47.0004.0001.0000.0c00.6666.00 router igrp 109 network 1.1.0.0 ip domain-name CISCO.COM map-list atm ip 131.108.168.110 atm-vc 1 broadcast clns 47.0004.0001.0000.0c00.6e26.00 atm-vc 6 broadcast decnet 10.1 atm-vc 2 broadcast Example of PVCs in a Fully Meshed Network Figure 23 illustrates an example of a fully meshed network.
  • Page 46 Configuring the AIP The configurations for Routers A, B, and C follow: Router A ip routing interface atm 4/0 ip address 131.108.168.1 255.255.255.0 atm rate-queue 1 100 atm pvc 1 0 10 aal5snap atm pvc 2 0 20 aal5snap map-group test-a map-list test-a ip 131.108.168.2 atm-vc 1 broadcast ip 131.108.168.3 atm-vc 2 broadcast...
  • Page 47 Configuring the AIP Example of SVCs in a Fully Meshed Network The following example is also a configuration for the fully meshed network shown in Figure 23, but using SVCs. SVC 1 is the signaling SVC. Router A interface atm 4/0 ip address 131.108.168.1 255.255.255.0 map-group atm atm nsap-address AB.CDEF.01.234567.890A.BCDE.F012.3456.7890.1234.12...

  • Page 48: Using The Debug Atm Commands

    Using the Debug ATM Commands For SONET, E3, or DS3 interfaces, at least one of the AIPs must be configured to supply its Note internal clock to the line. Following is an example of configuration file commands for two routers connected through their SONET, E3, or DS3 interfaces: First router: interface ATM3/0...

  • Page 49: Interpreting Atm Error Messages

    Interpreting ATM Error Messages Interpreting ATM Error Messages The following are the possible error messages displayed when you enter the debug atm events command: Error Message RESET(ATM2/0): PLIM type is 0, Rate is 0Mbps Explanation Displays the PLIM TYPE value returned from the AIP and the expected associated rate.
  • Page 50 Interpreting ATM Error Messages Error Message aip_cstate(ATM2/0): state=1 Explanation The state of the device is changed to either UP (1) or DOWN (0). Error Message aip_setup_vc(ATM2/0): vc:1 vpi:0 vci:7 A VC SETUP request is being sent to the AIP to establish a VC. Explanation Error Message aip_setup_vc(ATM2/0): vc1 creation delayed, AIP config.
  • Page 51 Interpreting ATM Error Messages Error Message aip_setup_vc(ATM2/0): Return value 0 Explanation This is the return value from the AIP after a setup request. Error Message aip_teardown_vc(ATM2/0): Return value 0 The PVC teardown return code from the AIP. Return value 0 indicates successful Explanation operation.
  • Page 52 Interpreting ATM Error Messages Error Message ATM(ATM2/0: Encapsulation error, VC=1 not connected Explanation A static map exists for the protocol address, but the VC has not been configured. Error Message ATM(ATM2/0): VC(1) Bad SAP received A packet with a bad SNAP encapsulation was received. Explanation Error Message ATM(ATM2/0): Bad VC(1) encapsulation configured...

  • Page 53: Cisco Information Online

    Cisco Systems, Cisco products, or upgrades, contact 800 553-6387, 408 526-7208, or cs-rep@cisco.com. This document is to be used in conjunction with the router installation and configuration publications that shipped with your Cisco 7000 series or Cisco 7500 series router. (1214aip.frm[78-1214-05])
  • Page 54 Cisco Information Online 54 Asynchronous Transfer Mode Interface Processor (AIP) Installation and Configuration...

This manual is also suitable for:

Cx-aip-smCx-aip-ssCx-aip-e3Cx-aip-ds3Clip-e3-emCab-atm-ds3/e3

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