Metrotek Bercut-ET Manuale utente

Ethernet/Gigabit Ethernet Tester Analyzer

Bercut-ET

Operations manual

Version 1.1.0, 2009

Metrotek

Metrotek, 2006—2009

No part of this document may be reproduced in any form or by any means

without the express written permission of Metrotek. Metrotek retains the

right to make changes to the hardware, software of Bercut-ET and to this

document at any time, without notice.

Contents

1 General description 5

2 Supply kit 7

3 Setting-up procedures 9

4 Overview 11

4.1 Front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.2 External connectors . . . . . . . . . . . . . . . . . . . . . . . . 14

4.3 Status bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5 Analysis. Typical tasks and solutions 17

5.1 Typical tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.2 RFC 2544 methodology . . . . . . . . . . . . . . . . . . . . . . 17

5.3 Connecting device and starting to operate . . . . . . . . . . . . 21

5.3.1 Device connection schemes . . . . . . . . . . . . . . . . 21

5.4 RFC 2544. General settings . . . . . . . . . . . . . . . . . . . . 23

5.4.1 Setting up header . . . . . . . . . . . . . . . . . . . . . 23

5.4.2 Setting up header (advanced) . . . . . . . . . . . . . . . 24

5.4.3 RFC 2544. MPLS settings . . . . . . . . . . . . . . . . . 26

5.4.4 Test topology . . . . . . . . . . . . . . . . . . . . . . . . 27

5.4.5 Selecting frame size . . . . . . . . . . . . . . . . . . . . 27

5.5 RFC 2544. Test parameters setup . . . . . . . . . . . . . . . . . 28

5.5.1 Throughput test settings . . . . . . . . . . . . . . . . . 28

5.5.2 Latency test settings . . . . . . . . . . . . . . . . . . . . 28

5.5.3 Frame loss test settings . . . . . . . . . . . . . . . . . . 29

5.5.4 Back-to-back test settings . . . . . . . . . . . . . . . . . 30

5.5.5 Advanced . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5.6 RFC 2544. Performing analysis . . . . . . . . . . . . . . . . . . 32

5.6.1 Throughput. Test results . . . . . . . . . . . . . . . . . 32

5.6.2 Latency. Test results . . . . . . . . . . . . . . . . . . . . 33

5.6.3 Frame loss. Test results . . . . . . . . . . . . . . . . . . 34

5.6.4 Back-to-back. Test results . . . . . . . . . . . . . . . . . 35

5.7 Asymmetric test . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Bercut-ET. Operations manual

4 CONTENTS

5.8 Complex traﬃc . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

5.8.1 Complex traﬃc. MPLS settings . . . . . . . . . . . . . . 42

5.9 Loopback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

5.9.1 Conﬁguring L2 Loopback . . . . . . . . . . . . . . . . . 44

5.9.2 Conﬁguring L3 Loopback . . . . . . . . . . . . . . . . . 46

5.10 OAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

5.11 ET discovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

5.12 Testing TCP/IP . . . . . . . . . . . . . . . . . . . . . . . . . . 53

5.12.1 Ping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

5.12.2 Traceroute . . . . . . . . . . . . . . . . . . . . . . . . . 56

5.12.3 DNS (DNS lookup) . . . . . . . . . . . . . . . . . . . . . 58

5.12.4 ARP monitor . . . . . . . . . . . . . . . . . . . . . . . . 59

5.12.5 TCP-client . . . . . . . . . . . . . . . . . . . . . . . . . 60

5.13 Pass through . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

5.14 Cable diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . 65

5.15 BERT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

5.15.1 BERT. MPLS settings . . . . . . . . . . . . . . . . . . . 72

5.15.2 Connection schemes . . . . . . . . . . . . . . . . . . . . 73

5.16 Packet jitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

5.17 Test traﬃc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

5.17.1 Test traﬃc. MPLS settings . . . . . . . . . . . . . . . . 79

5.18 Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

5.18.1 Aggregated statistics for two ports . . . . . . . . . . . . 81

5.18.2 Stats by frame types . . . . . . . . . . . . . . . . . . . . 82

5.18.3 Stats by frame size . . . . . . . . . . . . . . . . . . . . . 82

5.18.4 Stats by layer . . . . . . . . . . . . . . . . . . . . . . . . 83

5.18.5 Stats by frame errors . . . . . . . . . . . . . . . . . . . . 83

5.19 Saving test results . . . . . . . . . . . . . . . . . . . . . . . . . 84

5.20 Network setup . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

5.21 Interface setup . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

5.22 Device setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

5.22.1 Display setup . . . . . . . . . . . . . . . . . . . . . . . . 90

5.22.2 Basic settings . . . . . . . . . . . . . . . . . . . . . . . . 90

5.22.3 Information . . . . . . . . . . . . . . . . . . . . . . . . . 91

5.22.4 SFP information . . . . . . . . . . . . . . . . . . . . . . 92

5.22.5 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

5.22.6 Managing options . . . . . . . . . . . . . . . . . . . . . 92

Bercut-ET. Operations manual

CONTENTS 5

6 Remote control 95

6.1 Management in the Terminal mode . . . . . . . . . . . . . . . . 95

6.1.1 Terminal mode connection settings . . . . . . . . . . . . 95

6.1.2 Updating analyzer software . . . . . . . . . . . . . . . . 96

6.2 Remote control via TELNET . . . . . . . . . . . . . . . . . . . 98

6.3 Remote control via WWW-interface . . . . . . . . . . . . . . . 98

6.4 Screen shot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

A Ethernet frame structure 101

B Remote control commands 103

C Speciﬁcations and Technical characteristics 109

D Troubleshooting 111

Bibliography 113

Bercut-ET. Operations manual

1. General description

Ethernet/Gigabit Ethernet tester-analyzer Bercut-ET (referred to as de-

vice, analyzer) is intended for performing analysis and diagnostic tests ac-

cording to the RFC 2544 [5] methodology, checking the state of a cable, and

checking link connectivity. In addition, the analyzer supports operations in

the loopback mode, and statistics getting for received and transmitted traﬃc.

Bercut-ET analyzer provides the following options.

1. Traﬃc generating and analyzing at the data link (MAC) and net-

work (IP) layers.

2. Getting and displaying statistics about traﬃc received and transmitted

at the physical, data link, and network layer.

3. RFC-2544 measurements: Throughput, Latency, Frame Loss, Back-to-

Back.

4. Copper cable faults diagnostics.

5. Ethernet loopback for physical, data link, network and transport layers

of the OSI model.

6. Loopback control via OAM protocol.

7. Bit Error Rate Testing (BERT).

8. Packet jitter measurements.

9. IP testing (ping, traceroute, telnet/http requests).

Bercut-ET. Operations manual

2. Supply kit

Table 2.1. Supply kit

Item Quantity

Ethernet/Gigabit Ethernet tester-analyzer Bercut-ET de-

vice 1

Ethernet/Gigabit Ethernet tester-analyzer Bercut-ET. Op-

erational manual 1

Power supply unit (12 V, 1,5 A) 1

Cable (220 V, 3-polar) 1

USB cable 1

Ethernet cable 1

Bercut-ET. Operations manual

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