Exfo ETS-1000 Manual de usuario Pagina 78
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Configuring and Starting a Test
70 ETS-1000
Loopback
Loopback
The Loopback function is necessary for networks testing in compliance
with the RFC 2544, as well as for a number of other tasks. This function
allows to test the network without changing its settings. Network testing
with the Loopback function can be performed at the following OSI layers.
At the Physical layer (L1) all the incoming traffic is re-transmitted
backward without change; statistics are gathered for the incoming
traffic.
At the Data link layer (L2), all the incoming frames are re-transmitted
backward with swapping destination and source MAC addresses or
without swapping MAC addresses. ETS-1000 supports substitution of
destination and/or source MAC address with user-defined MAC
address. Both incoming and outgoing traffic statistics are gathered.
Note: For the loopback at the L2 or L3 layers, packets with identical destination
and source MAC addresses as well as OAM protocol data units (OAMPDU)
and ARP-requests, are not re-transmitted.
At the Network layer (L3) all incoming packets are re-transmitted
backward with source and destination IP addresses swapping.
ETS-1000 supports substitution of destination and/or source IP address
with user-defined IP address. Both incoming and outgoing traffic
statistics are gathered.
Note: if the incoming packet contains the label, it will be retransmitted without
changing it’s value
At the Transport layer (L4) all incoming packets are being
retransmitted backward (without error packets) with source and
destination IP addresses and source and destination TCP/UDP port
numbers swapping.
Note: if the incoming packet contains the label, it will be retransmitted without
changing it’s value.
- ETS-1000 1
- Certification Information 3
- CE Declaration of Conformity 4
- Contents 5
- Ethernet Tester Analyzer vii 7
- 1 Introducing the ETS-1000 9
- Signal Connectors and LEDs 10
- LEDs Description 11
- Status bar Description 12
- Keyboard Description 14
- External Connectors 16
- Optical Transceivers 18
- 2 Safety Information 21
- 3 Getting Started 23
- 4 Setting up your Unit 25
- 18 ETS-1000 26
- Network setup 26
- Interface setup 27
- Ethernet Tester Analyzer 21 29
- Unit Setup 31
- Basic Settings 33
- Information 33
- SFP Information 34
- Profiles 36
- Event Log 37
- Setting up your Unit 38
- Managing Options 39
- 5 Typical Tasks and Solutions 41
- Throughput 42
- Latency 43
- Frame Loss Rate 44
- Back-to-back 45
- 6 Connecting Unit 47
- 40 ETS-1000 48
- Unit Connection Schemes 48
- Ethernet Tester Analyzer 41 49
- 7 Configuring and Starting a 51
- RFC 2544 General Settings 53
- Value Description 53
- 46 ETS-1000 54
- Ethernet Tester Analyzer 47 55
- RFC 2544 MPLS Settings 56
- Test Topology 57
- Selecting Frame Size 57
- Throughput Test Settings 58
- Ethernet Tester Analyzer 51 59
- Latency Test Settings 60
- Ethernet Tester Analyzer 53 61
- Frame Loss Test Setting 62
- Back-to-back Test Settings 63
- Advanced 64
- RFC 2544. Performing Analysis 65
- 58 ETS-1000 66
- Latency - Test Results 67
- Frame Loss - Test Results 68
- Back-to-back - Test Results 69
- 62 ETS-1000 70
- Asymmetric Test 71
- Complex Traffic 72
- Ethernet Tester Analyzer 65 73
- 68 ETS-1000 76
- Ethernet Tester Analyzer 69 77
- Loopback 78
- Ethernet Tester Analyzer 71 79
- Configuring L2 Loopback 80
- Ethernet Tester Analyzer 73 81
- Configuring L3 Loopback 82
- Ethernet Tester Analyzer 75 83
- Ethernet frame 84
- Ethernet Tester Analyzer 77 85
- Ethernet Tester Analyzer 79 87
- ET Discovery 88
- Ethernet Tester Analyzer 81 89
- Testing TCP/IP 90
- Ethernet Tester Analyzer 83 91
- Traceroute 92
- DNS (DNS lookup) 94
- ARP Monitor 95
- TCP-client 96
- Pass Through 97
- Cable Diagnostics 98
- Ethernet Tester Analyzer 91 99
- Ethernet Tester Analyzer 93 101
- 94 ETS-1000 102
- Ethernet Tester Analyzer 95 103
- 96 ETS-1000 104
- Ethernet Tester Analyzer 97 105
- 98 ETS-1000 106
- BERT MPLS Settings 107
- 100 ETS-1000 108
- Connection Schemes 109
- 102 ETS-1000 110
- Packet Jitter 111
- 104 ETS-1000 112
- Ethernet Tester Analyzer 105 113
- Test Traffic 114
- Ethernet Tester Analyzer 107 115
- Test Traffic - MPLS Settings 117
- Statistics 118
- Stats by Frame Types 119
- Stats by Frame Size 120
- Stats by Layer 120
- Stats by Frame Errors 121
- 8 Saving Test Results 123
- 9 Remote Control 125
- 118 ETS-1000 126
- IMPORTANT 127
- Remote Control via TELNET 128
- Ethernet Tester Analyzer 121 129
- 122 ETS-1000 130
- Screen Shot 131
- 10 Maintenance 133
- Recycling and Disposal 134
- 11 Troubleshooting 135
- 128 ETS-1000 136
- Transportation 137
- 12 Warranty 139
- Liability 140
- Service and Repairs 142
- Ethernet Tester Analyzer 135 143
- ASpecifications 145
- 138 ETS-1000 146
- Specifications Values 146
- B Ethernet Frame Structure 147
- C Remote Control Commands 149
- 142 ETS-1000 150
- Ethernet Tester Analyzer 143 151
- 144 ETS-1000 152
- Ethernet Tester Analyzer 145 153
- 146 ETS-1000 154
- Ethernet Tester Analyzer 147 155
- 148 ETS-1000 156
- Ethernet Tester Analyzer 149 157
- 150 ETS-1000 158
- Ethernet Tester Analyzer 151 159
- 152 ETS-1000 160
- Ethernet Tester Analyzer 153 161
- 154 ETS-1000 162
- Ethernet Tester Analyzer 155 163
- 156 ETS-1000 164
- Ethernet Tester Analyzer 157 165
- 158 ETS-1000 166
- D Bibliography 167
- Ethernet Tester Analyzer 161 169
- ₼⦌␂ℝ☀⹂䓸德棟Ⓟ䤓屓⸩ 171
- MARKING REQUIREMENTS 172
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