ATM config - ATM CONFIGURATION TUTORIAL & EXPERIMENT ON ATM...

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ATM CONFIGURATION TUTORIAL & EXPERIMENT ON ATM CONNECTIVITY BY ANANTH V. KINI MST SPRING 2001 1
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ATM CONNECTIVITY The equipments to be used for this experiment are: 1. The CISCO Lightstream 1010 switch . 2. The Adtech AX/4000 tester . 1. The CISCO Lightstream 1010 switch: The CISCO LightStream 1010 uses a five-slot, modular chassis featuring the option of dual, fault-tolerant, load-sharing power supplies. (See Figure 1 ) The central slot in the LightStream 1010 is dedicated to a single, field-replaceable ATM switch processor ( ASP ) module that supports both the 5-Gbps shared memory and the fully non-blocking switch fabric. The ASP also supports the feature card and high performance reduced instruction set ( RISC ) processor that provides the central intelligence for the device. The remaining slots support up to four hot-swappable Carrier Modules ( CAM s). Each CAM supports up to two hot-swappable Port Adapter Modules ( PAM s) for a maximum of eight PAM s per switch, supporting a wide variety of desktop, backbone, and wide-area interfaces. Figure 1: Rear View of the LightStream 1010 ATM Switch The LightStream 1010 ATM switch provides switched ATM connections to individual workstations, servers, LAN segments, or other ATM switches and routers using fiber- optic, unshielded twisted-pair ( UTP ), and coaxial cable. The LightStream 1010 ATM switch can accommodate up to 32 OC-3 ( 155.52Mbps ) switched ATM ports in a standard 19-inch (48-centimeter) rack. 2
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2. The Adtech AX/4000 tester: The AX/4000 is a multi-port system that can currently test four different transmission technologies (IP, ATM, Ethernet, and Frame Relay) simultaneously at speeds up to 10 Gbps. Conceptually the experiment can be explained with the help of the following block diagram: Lightstream 1010 Figure 2: Adtech AX/4000 Port 1 Port 2 The 2 ports of the Adtech tester (ports 1 and 2) are connected to 2 different Port adapter modules ( PAM ’s) of the lightstream switch. In other words the AX/4000 simulates 2 different end users that can communicate through the switch. Each physical layer connection to the switch is made using an OC-3 slot , i.e., the ATM protocol operates on a underlying sonet physical layer . ATM interface ATM interface 0/0/0 0/0/1 VPI/VCI VPI/VCI 111/111 222/222 111/111 222/222 Figure 3: Cisco 1010 lightstream 3
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UNI UNI VPI/VCI VPI/VCI = 111/111 = 222/222 ADTECH AX/4000 Tx Rx Tx Rx PORT 1 PORT 2 Rx Tx Rx Tx Before beginning the actual connectivity experiment we need to ensure that all the necessary connections already exist. The Lightstream 1010 switch is connected to the ABCDE switch kept next to the pc, using a 25 pin connector . The 25 pin cable is connected to port B of the ABCDE data switch through the console port of the 1010.hence we need to switch the ABCDE switch to B when working on the 1010. Next we need to check whether the ports of the switch are up and running and properly connected to the corresponding ports of the Adtech Ax/4000 tester. You will be provided with fiber optic SC connectors. They will be 8m in length and you will need 2 pairs in total. Each pair provides a full duplex connection.
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This note was uploaded on 08/08/2011 for the course CS 310 taught by Professor Aartisingh during the Spring '11 term at National Institute of Technology, Calicut.

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ATM config - ATM CONFIGURATION TUTORIAL & EXPERIMENT ON ATM...

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