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NT10G05 USER MANUAL 

76-02-105 Rev.B 

 

Page 57 of 80 

 

 

It can be seen that the left hand side of the display shows the required SLA 
expectations as defined in the SLA menu. 

The right hand side gives the packet statistics, as defined below: 

Tx Frames   

 

This is a count of the frames transmitted during the test 

Tx Bandwidth (fps) 

This is the rate at which packets are being transmitted 
per second. 

Tx Bytes 

This is a count of the number of bytes that have been 
transmitted and should equal the transmitted frames x the 
L2 packet size. 

Tx Bandwidth (bps) 

This is a calculation of the actual bandwidth being 
transmitted and is dependent upon the SLA bandwidth 
setting.  If the CIR is expressed as utilisation then the bit 
rate includes the preamble and IPG overheads, whilst if 
expressed as Information Rate then only the packet is 
counted. 

Tx Bandwidth (%CIR) 

This should be the same as configured in the test 
parameters and shows the transmit rate as a percentage 
of CIR. 

Содержание NT10G05

Страница 1: ...T10G05 User Manual Version 9 33 DATE 2nd January 2019 DOCUMENT NO 76 02 105 REVISION B PREPARED BY Paul Ingram Metrodata Ltd Laxton House Crabtree Office Village Eversley Way Egham Surrey TW20 8RY UK...

Страница 2: ...td Laxton House Crabtree Office Village Eversley Way Egham Surrey TW20 8RY United Kingdom DISCLAIMER Metrodata Ltd makes no representations or warranties with respect to the contents hereof and specif...

Страница 3: ...NT10G05 USER MANUAL 76 02 105 Rev B Page 3 of 80 Document History 24 5 2018 XA Document Created 7 6 2018 A First Release 9 33 Firmware 2 1 2019 B 9 33 Firmware spell checked...

Страница 4: ...ance 12 2 INSTALLATION 13 2 1 NT10G05 Rear Panel 13 2 1 1 Mains Power 13 2 1 2 DC Power 13 3 Quick Start 14 3 1 Loopback Unit Configuration 16 3 2 Tester Unit Configuration 17 4 Configuration 21 4 1 S...

Страница 5: ...Frame Loss Ratio 30 4 1 3 4 FTD Frame Transfer Delay 30 4 1 3 5 IFDV Inter Frame Delay Variation 30 4 1 3 6 Availability 30 4 1 3 7 SES Threshold 30 4 1 3 8 Delay Percentile 30 4 1 3 9 External Tags...

Страница 6: ...tatus 37 4 1 6 2 DHCP 37 4 1 6 3 IP Address 37 4 1 6 4 Net Mask 38 4 1 6 5 Remote Management 38 4 1 6 6 C VLAN 38 4 1 6 7 Routing Table 39 4 1 7 SNMP 40 4 1 7 1 IP Address 41 4 1 7 2 Access Rights 42...

Страница 7: ...E Line connection 51 4 2 3 1 1 1 6 2 NetTESTER remote loopback device on a P2MP E Lan connect n 52 4 2 3 1 1 1 6 3 Non NetTESTER remote loopback device 52 4 2 3 1 1 1 7 MAC Modifier 52 4 2 3 1 1 1 8 S...

Страница 8: ...7 1 Perform Test 64 4 2 3 2 1 7 2 Short Long Test Time 64 4 2 3 2 1 7 3 Upper Limit 64 4 2 3 2 1 8 Latency Test L2 L3 64 4 2 3 2 1 8 1 Rate 65 4 2 3 2 1 8 2 Time 65 4 2 3 2 1 9 Back to Back Test 66 4...

Страница 9: ...Policing Test 73 4 2 3 3 1 9 5 CBS test 73 4 2 3 3 1 9 6 EBS test 74 4 2 3 3 1 10 Performance Test Setup 75 4 2 3 3 1 10 1 Performance Test 75 4 2 3 3 1 10 2 Test Time 75 4 2 3 3 1 10 3 Green Rate 75...

Страница 10: ...lternatively at Layer 3 4 where IP UDP test packets are sent to a peer IP address In addition to the test generation capabilities the NT10G05 can also act as a simple loopback reflector device operati...

Страница 11: ...n the NT10G05 are designated SELV Safety Extra Low Voltage within the scope of EN41003 Alarm Port 9 Way D Type Terminal Port RJ45 LAN Port s RJ45 10 100 1000BaseT SFP These ports must only be connecte...

Страница 12: ...and Operation manual may cause harmful interference to the radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will b...

Страница 13: ...er supply failure to increase service availability with dual internal load sharing supply modules with separate external power feeds The dual supplies operate over the wide range 100 to 250V AC and dr...

Страница 14: ...In this example a service provider is providing a point to point E LINE service between two customer sites The customer is using the NT10G05 to verify that the network service provided is as per the...

Страница 15: ...NT10G05 USER MANUAL 76 02 105 Rev B Page 15 of 80 The default password is nt10g05 lower case This will lead to the main setup menu as shown...

Страница 16: ...the NT10G05 network port is connected to the carrier EDD and the unit is configured for L2 Loopback operation To configure the loop operating mode select the testing menu Ensure the unit is configured...

Страница 17: ...t is connected to the carrier EDD Connect a laptop to the management port and open a browser session to the default IP address 169 254 42 42 Enter the password NT10G05 and then at the main setup menu...

Страница 18: ...02 105 Rev B Page 18 of 80 Otherwise no further configuration is needed to run the 2544 test Return to the home page and select the Testing Menu By default the unit will be in loopback mode So change...

Страница 19: ...e test generator will generate untagged frames with the magic MAC as destination address If a particular VLAN is required then the C VLAN option under the Test Parameter Menu should be configured othe...

Страница 20: ...NT10G05 USER MANUAL 76 02 105 Rev B Page 20 of 80 Once the test has finally completed the full test report may be saved as a text file using the Download Report and browser file save option...

Страница 21: ...ss method is via a web browser Upon opening a web session to the unit IP address the initial welcome screen is displayed as shown below For security the NT10G05 is protected with a password The defaul...

Страница 22: ...NT10G05 USER MANUAL 76 02 105 Rev B Page 22 of 80 4 1 Settings Menu Again the settings menu is ordered in configuration order 4 1 1 WAN Port Configuration...

Страница 23: ...Options UP WAN Port Link Up DOWN WAN Port Down Check port connected 4 1 1 2 Speed The WAN port operates at 10G 4 1 1 3 Duplex The WAN port operates Full Duplex 4 1 1 4 Auto Negotiation Auto Negotiatio...

Страница 24: ...pply are read from the diagnostic module within the SFP and give a real time indication of the values Each value will be declared OK when operating normally OK Normal Operation Warning Levels have dro...

Страница 25: ...s inline applications where it is placed in line between the customer equipment and the carrier EDD This mode may be used where performance monitoring is required and no spare LAN ports are available...

Страница 26: ...NT10G05 USER MANUAL 76 02 105 Rev B Page 26 of 80 Or 1G Copper LAN1...

Страница 27: ...3 mode The SLA is also used for the TWAMP performance monitor The SLA screen allows for the definition of all the key metrics applicable to a service SLA as follows 4 1 3 1 Name To identify the SLA a...

Страница 28: ...at will be supported by the service without packet loss The CBS is defined in bytes and is usually set to at least 5 times the MTU The CBS may be defined with the following multiplier K 1000 4 1 3 2 3...

Страница 29: ...xample wire speed 64 byte packets are as follows Packet Size 64 bytes 512 bits Preamble 8 bytes Min IPG 12 Bytes Total Size 84 bytes 672 bits Wire Speed 1G 1000000000 bits per second and so supports P...

Страница 30: ...delay variation or jitter The delay variation is defined in ms 4 1 3 6 Availability The availability setting defines the percentage up time for the link over a pre defined period for example 24 hours...

Страница 31: ...re where service tagging is used it is a good to run the RFC 2544 test procedure to discover the available bandwidth as this will enable the number of external tags that are required 4 1 3 10 MTU The...

Страница 32: ...Test Interface configuration screen is shown below 4 1 4 1 L2 Discovery VLAN The NT10G05 supports the layer 2 Metrodata Discovery Protocol which enables Metrodata NetTESTERs or EDD devices to discover...

Страница 33: ...ress the unit has been assigned In this example the class A address 10 10 10 1 has been assigned 4 1 4 5 Net Mask The IP Sub net mask is used to define valid range of IP host address that may be direc...

Страница 34: ...e MAC address to ensure each unit has a unique node name when using MDP In more complex installations where multiple loopback units are installed in local POP sites for instance giving units individua...

Страница 35: ...th 80 00 00 gives the loopback address of 00 C0 81 80 18 58 4 1 5 5 Time Date The generated test reports showing the results of the RFC 2544 or Y 1564 test include the time and date of the test The NT...

Страница 36: ...lled and connected to a management network the date and time may be synchronised using NTP The advanced menu is used to define the NTP server IP address and the selected time zone for the installation...

Страница 37: ...t is in the admin down state and disabled In this case the unit is only accessible using the default IP address 169 254 42 42 If the Admin State is changed to UP then a full IP configuration may be as...

Страница 38: ...nt Management access to the unit is restricted to this unit only if Remote Management is disabled If remote management is enabled then it is possible to manage a remote unit over the WAN port 4 1 6 6...

Страница 39: ...the local gateway However for management where the number of potential subnets that require access static routes will need to be defined using the routing table menu Static routes are added by defini...

Страница 40: ...and next hop router Note the NT10G05 cannot have more than one default route and should multiple defaults be defined the first in the table will be used leading to unpredictable results 4 1 7 SNMP The...

Страница 41: ...o configure a manager select managers and then either new or edit by IP address 4 1 7 1 IP Address Enter the IP address of the SNMP manager The NT10G05 will only accept SNMP requests from assigned man...

Страница 42: ...ether traps will be transmitted towards this manager Note the SNMP Dying Gasp trap will be sent to the first configured manager with traps enabled 4 1 7 4 SNMP Version The version control determines t...

Страница 43: ...ode through the selection of the tester mode configuration item 4 2 1 Ping Ping or ICMP Echo is a very useful tool for establishing communications between two host devices The Ping protocol will send...

Страница 44: ...Once the ping test has started you can view the results of the test by selecting the Results option which gives the display shown below The results screen gives an indication of the number of packets...

Страница 45: ...G05 provides a source and destination swapping function and can be enabled to act upon several different layers of the packet header 4 2 2 2 1 Layer L2 The L2 loopback performs a simple MAC source and...

Страница 46: ...ut also performs an IP source and destination address swap with header checksum recalculation The layer 3 loopback will activate for all frames that are addressed to the unit L3 Test IP address and ha...

Страница 47: ...d be used when testing against the MetroCONNECT NetTESTER or EDD family of products which generate a full UDP payload based test packet The loopback will loopback packets addressed to the unit IP with...

Страница 48: ...for a simple test to be performed where test traffic is generated at a constant rate and transmitted for a defined test duration At the end of the test the results are made available to give an indica...

Страница 49: ...layer 3 testing will address a remote IP address 4 2 3 1 1 1Test Peer Before any test may be run a remote loopback unit or peer must be selected using the test peer menu as shown for both Layer 2 and...

Страница 50: ...ed V VLAN None or with a single VLAN Tag with the defined VID The PCP value for the VLAN tag will be adopted from the L2 SLA setting for Green PCP The valid entry for the C VLAN VLAN ID is 0 Untagged...

Страница 51: ...2 only The remote MAC address is the address that will be added as destination address on the L2 test packets generated The correct value depends upon the loopback device 4 2 3 1 1 1 6 1 NetTESTER rem...

Страница 52: ...an be converted into the loop address by setting bit 23 or ing with 80 00 00 to give the loop address 00 C0 81 80 14 AD When using the unique loop address test packets are addressed to a single specif...

Страница 53: ...d using MDP the SLA settings of the remote device may be used instead As an example if the NT10G05 is configured with an SLA for a 10G service but the remote loop unit is in fact an NT1003 connected t...

Страница 54: ...port is 7 UDP Echo however it may be set to any value that will not be used by customer traffic and will be allowed through any network firewalls 4 2 3 1 1 1 12 SLA L3 Mode In L3 test mode MDP is not...

Страница 55: ...t loss The training period is defined in seconds and may be between 1 and 30 seconds 4 2 3 1 1 4Training Frames per Second L2 L3 During the training period the training FPS defines the rate of test pa...

Страница 56: ...on will either start a test running or stop a currently running test Once started a test will run for the defined duration and then stop automatically It should only be necessary to actually stop a te...

Страница 57: ...per second Tx Bytes This is a count of the number of bytes that have been transmitted and should equal the transmitted frames x the L2 packet size Tx Bandwidth bps This is a calculation of the actual...

Страница 58: ...he test it is the Lost In Flight count Lost frames are as it says lost frames in the network In Flight frames are frames that have been transmitted but not yet received back In a normal test the Lost...

Страница 59: ...FTDV values are counted into discrete intervals and this figure is the upper limit of the configured percentile in this case 95 of frames had IFDV values of less than 1mS IFDV ms This value shows the...

Страница 60: ...5 Download Report The download report option will display the report as a text file in the browser window Use File Save as to save the file for use as part of the performance test certificate The NT10...

Страница 61: ...packet loss will again reduce bandwidth by half but no packet loss will see the bandwidth increase by half Thus the test performs a binary search until a data rate at which no packet loss occurs Afte...

Страница 62: ...cket sizes tested are 64 128 256 512 1024 1280 1518 To speed up testing or to allow for testing frames above 1518 bytes the packet sizes to test are configurable and as for the Y 1564 test the letter...

Страница 63: ...ng period may be introduced before the test is run for real During the training period low rate packets are transmitted to the required loopback device without being monitored This allows all forwardi...

Страница 64: ...verall test time If it turns out that the 10 second hunt window didn t lose packets due to buffering it is likely that the performance test will drop packets in this case the bandwidth will back off 1...

Страница 65: ...ghput which will mean that a true measure of the real network delays are measured Increasing the rate to 100 will almost certainly lead to packet loss but will also lead to buffering and increased lat...

Страница 66: ...run the back to back test perform test must be set to yes It is set to NO by default 4 2 3 2 1 9 2 Upper Limit The upper limit defines the maximum size of burst to use and is defined in bytes Typicall...

Страница 67: ...st report is collated Test progress maybe monitored by viewing the report An example is shown below It can be seen in this report that the test is still running and has successfully measured the throu...

Страница 68: ...port The download report option will display the report as a text file in the browser window Use File Save as to save the file for use as part of the performance test certificate The NT10G05 will name...

Страница 69: ...long time to run Y 1564 addresses these issues by being driven directly by the SLA configuration and testing to show conformance The Y 1564 test procedure is customisable and the test parameters menu...

Страница 70: ...zed packets a user defined packet is available where the size may be defined in the range 64 to 10240 bytes Note that the packet size excludes tags 4 2 3 3 1 4Training Period Whilst some services are...

Страница 71: ...e policers it may well be that frames initially classified green subsequently get classified yellow and yellow ones get discarded as red To minimise this issue colour aware policing will only police g...

Страница 72: ...a more representative reading however at the expense of test time 4 2 3 3 1 9 2 CIR Test The CIR test is used to verify that the network service can actually support the required CIR The options for t...

Страница 73: ...s defined run the test Skip Do not perform the test 4 2 3 3 1 9 4 Policing Test The purpose of this test is to ensure that any policers in the network are correctly configured for CIR EIR Traffic is s...

Страница 74: ...ify that the network has the capability of supporting bursts as per the SLA if an EIR EBS are defined The EBS test will send bursts of frames up to the CBS EBS at the CIR EIR rate and verifies there i...

Страница 75: ...m test so the duration should be set accordingly and while the default is 15 minutes a more realistic value would be 24 hours 4 2 3 3 1 10 3 Green Rate The performance test is based on the SLA CIR val...

Страница 76: ...clear that the network is not performing as expected and SLA parameters need adjustments 4 2 3 3 3 View Report As the test runs the test report is collated Test progress maybe monitored by viewing th...

Страница 77: ...will display the report as a text file in the browser window Use File Save as to save the file for use as part of the performance test certificate The NT10G05 will name the file report rep you should...

Страница 78: ...as shown 4 3 1 Restart Unit The restart unit option will force the unit to restart and reload the stored configuration 4 3 2 Restore Defaults The restore defaults option will return the unit to factor...

Страница 79: ...low Ensure there is a TFTP server running on the attached laptop then assign the remote server IP address as shown To upgrade the firmware select Get new software Enter the filename for the applicatio...

Страница 80: ...tion screen is shown above right If all is correct the confirm and the unit will reprogram the flash with the new application The progress of the programming will be shown and once completed it will p...

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