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Maintenance Point Roles

10.3.3 Measurement Definitions

Continuity Check Messages (CCM)

CCM Messages are multicast messages sent from MEP to MEP at configurable intervals. Loss of continuity is detected after no

CCM is received for 3.5 times the CCM interval.

Note: There can be 4,094 VLANs per port and up to eight maintenance levels. This yields a worst case CCM transmission rate of
9.8 million CCMs per second if 3.3ms interval is used.

Continuity Check Message (CCM)

RDI Flags added in CCM Messages indicates loss of continuity in the remote direction.

CCM Message Format

/ e_Manual D07-00-050P RevD00

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Содержание VePAL MX120e+

Страница 1: ...MX100e MX120e e_Manual D07 00 050P RevD00 Page 1 of 115...

Страница 2: ...uch Screen Display 4 3 Battery 4 4 Connectors and Panels 4 4 1 Test Ports 4 4 2 Utility Ports 4 5 LEDs 4 6 Software Upgrade 5 0 Home Menus 5 1 Screen Layout 5 2 Screen Icons 5 3 Action Menu 6 0 Setup...

Страница 3: ...Conformance Testing 8 1 RFC 2544 Setup 8 1 1 Header Settings 8 1 2 Frame Settings 8 1 3 Threshold Settings 8 1 4 Throughput Latency Frame Loss and Burst Settings 8 1 5 Control Settings 8 1 6 Starting...

Страница 4: ...esults Multiple Streams 9 2 3 Individual Stream Results 9 2 4 Saving Throughput Results 10 0 OAM Testing 10 1 OAM Setup 10 1 1 Link Level 802 3ah OAM Setup 10 1 2 Service Level OAM 10 2 OAM Results 10...

Страница 5: ...width 13 2 4 Services Thresholds 13 2 5 Control Settings 13 3 Results 13 3 1 Configuration Results 13 3 2 Performance Results 14 0 Additional Tests 14 1 Packet Capture 14 2 Scan 14 3 NetWiz 14 4 Profi...

Страница 6: ...ng decompiling or disassembling the software This user manual is suitable for novice intermediate and experienced users and is intended to help you successfully use the features and capabilities of th...

Страница 7: ...X Test Applications when the unit is operating in any of the physical ports above BERT Unframed Framed Layer 1 and Framed Layer 2 3 Ethernet traffic generation with user selectable test pattern for B...

Страница 8: ...rt 1 any application and Port 2 Loopback Port 1 Loopback and Port 2 Loopback Test Applications When operating in single port operation any of the following test applications are available When operati...

Страница 9: ...ed The Save function provides automatic storage with automatic naming and time stamping function To process a stored file please go to Files Print key For future use History key The History key resets...

Страница 10: ...aximum charge The battery is charged during operation provided the unit is connected to the AC Mains using the supplied AC adaptor Removing the battery while the unit is powered on is not recommended...

Страница 11: ...connector flashes when there is activity on the network The green LED is On when there is a valid Ethernet link with the network and off when there is no link Optical Ethernet Interface options Dual 1...

Страница 12: ...Port To access the USB port remove the protective rubber cover on the right hand side of the unit to expose the connector The USB port supports Memory drives WiFi adaptor for WiFi testing application...

Страница 13: ...back to ToC 4 6 Software Upgrade There are two methods of updating the test set software manually or via ReVeal MTX software Manual Software Upgrade To manually upgrade the test set software download...

Страница 14: ...hold the Save Help and Power keys simultaneously The unit should boot from the USB and load the new software A message will appear on screen stating the upgrade is in progress Installing the software...

Страница 15: ...e Port 1 RFC 2544 BERT Throughput OAM IP functions related to the Ethernet WAN test ports Loopback Port Setup to configure test interfaces Net Wiz Monitor Mode MX120e Port 1 only V SAM Test Applicatio...

Страница 16: ...ower If running on battery tap the icon for battery status File icon Indicates File Storage Tap icon to view memory capacity used Bluetooth icon Future option Bluetooth is not supported currently IP i...

Страница 17: ...6 0 Setup Test port s and network settings are required prior to performing any measurements or applications Port Setup Port Status Laser Activation Profiles Measurement Settings 6 1 Port setup Port...

Страница 18: ...d Port 2 by selecting P1 or P2 See Chapter 5 0 Home Menus for screenshots and more information on MX120e P1 and P2 home menus Port 2 has limited functionality MX120e Port Selection MX120e Port Setting...

Страница 19: ...p of the screen Use this window to select and configure the necessary port settings Auto Negotiation On or Off Matches the test set s negotiation settings to those of the link partner Advertisement De...

Страница 20: ...can independently configure the auto negotiation speed duplex and flow control settings for each port where applicable When flow control is enabled the test set will respond to pause frames received...

Страница 21: ...tup Port screen From this drop down menu the user is able turn the LASER On or Off The LASER may also be turned on off from any of the following application menus BERT RFC 2544 Throughput V SAM Loopba...

Страница 22: ...ode Manual timed or auto mode are available Manual mode User starts and stops the measurements manually Timed mode User defines the duration of the test After the test is started the test will run for...

Страница 23: ...of the test only the receiver is turned on the user must start the transmitter manually Auto Save ON OFF When enabled it saves the results automatically at the end of the measurements Measurement Sett...

Страница 24: ...2 BERT Setup MAC address editing Layer 3 Framed BERT same as Layer 1 2 Framed MAC Address A default or user configured Media Access Control MAC address is added to the frame IP Address A default or us...

Страница 25: ...ayer frame header traffic profile error injection and control settings of the far end device if applicable must be configured prior to testing BERT Profile Load a previously configured test profile or...

Страница 26: ...frame image displayed on the screen This brings you to the configuration screens for all the header fields MAC Header Tab MAC Source Use the default source address of the test set or configure a new o...

Страница 27: ...t PCP a 3 bit field which refers to the IEEE 802 1p priority It indicates the frame priority level from 0 lowest to 7 highest which can be used to prioritize different classes of traffic voice video d...

Страница 28: ...COS S bit Can be configured 0 or 1 Note The S field is one bit in length and is used for stacking labels This is important as it is used to indicate the last label in the label stack TTL Can be confi...

Страница 29: ...particular fragment relative to the beginning of the original unfragmented IP datagram Protocol field UDP 0x11 TCP 0x06 or User defined BERT Setup IP Settings DSCP BERT Setup IP Settings Legacy TOS Go...

Страница 30: ...rimarily intended for error and jitter measurements at bit rates of 1544 2048 6312 8448 32 064 and 44 736kbit s 2 11 1 2047 bit pattern primarily intended for error and jitter measurements on circuits...

Страница 31: ...rce address Remote Loop Filter When enabled the remote loop filter will send the Rx filter parameters to the remote loopback unit as part of the loop up command This way only traffic corresponding to...

Страница 32: ...top Frame Size Fixed or Uniform min and max frame length values Uniform traffic is traffic generated with a uniform distribution of frame lengths Frame Size Enter the frame size when a Layer 2 Layer 3...

Страница 33: ...T Error Injection Setup BERT Error Injection Action Menu Go back to top Go back to ToC 7 1 4 Control Settings In the Control settings tab the user configures the loop up and loop down commands necessa...

Страница 34: ...nd a loop up command No manual configuration of the IP address is needed since these are populated automatically Go back to top Go back to ToC BERT Control Setup OAM Discover Link OAM OAM Discover Lik...

Страница 35: ...selected the test will start immediately and the icon will change to a Stop indication To stop the test simply tap the Stop icon If testing on any of the fiber ports ensure the LASER is switched ON be...

Страница 36: ...mber of received frames smaller than 64 bytes containing an invalid FCS BERT Results Summary BERT Results Errors Go back to top Go back to ToC 7 2 3 Events Events tab A time stamped record or log of a...

Страница 37: ...b The following Frame distribution statistics are displayed in Count and Percentage Received RX frames Total frames Test frames Frames containing VeEX proprietary tags VLAN tagged frames Q in Q VLAN s...

Страница 38: ...equal to 8808h are counted as pause frames Layer 3 Unicast frames Number of Unicast frames received without FCS errors Layer 3 Broadcast frames Number of Broadcast frames received without FCS errors B...

Страница 39: ...imum maximum and average frame rates FPS and Data Rates Mbps Tap on the graph to see detailed screens BERT Results Rates Graph BERT Results Rates Details Go back to top Go back to ToC 7 2 7 Delay Dela...

Страница 40: ...tests that describe the performance characteristics of a network interconnecting device RFC 2544 recommendations are well accepted in the test and measurement industry for network performance testing...

Страница 41: ...oday MAC IP Tap the MAC and IP blocks on the Frame image to access the setup menus Set the Source and Destination MAC address for Layer 2 Set the Source and Destination MAC and IP addresses for Layer...

Страница 42: ...b No payload selection is possible The payload area is populated with a VeEX signature field and other proprietary data RX Filter Tab Depending on test layer allows the user to filter streams by MAC D...

Страница 43: ...frame size is displayed it can be enabled or disabled as needed RFC 2544 Setup Frame Settings RFC 2544 Setup Jumbo Frame Go back to top Go back to ToC 8 1 3 Threshold Settings Threshold tab User enab...

Страница 44: ...rate or in Mbps For example if the user configures the max rate to be 90 and the negotiated line rate of the link is 100Mbps then the maximum transmit rate will be 90Mbps or 90 of the line rate Resolu...

Страница 45: ...ed Enter up to 100 of the negotiated line rate or enter the rate in Mbps Duration 5 to 999 seconds The default value is 20 seconds This is the amount of time that the latency test will be performed fo...

Страница 46: ...the test will have to be performed at 80 assuming that there was zero frame loss at 90 Duration Selectable in the range of 5 to 999 seconds The default value is 20 seconds The duration is the amount o...

Страница 47: ...contents of the test signal to be transmitted in detail The MX100e MX120e offers an automated RFC 2544 test application to perform throughput frame loss and burstability tests in a local remote unit...

Страница 48: ...n Asymmetric Mode Asymmetric Up Tests traffic in the upstream direction local to remote direction Asymmetric Down Tests traffic the downstream direction remote to local direction Asymmetric Up Down Te...

Страница 49: ...ing on the Control Mode selected e g Asymmetric mode test settings for upstream and downstream are also displayed OAM Discover For more information on OAM Discover please see the BERT OAM Discover sec...

Страница 50: ...run automatically When all the tests are complete the test will stop automatically If the RFC 2544 test suite needs to be stopped before they are done then simply press the Stop button located in the...

Страница 51: ...us RFC 2544 Results Events Go back to top Go back to ToC 8 2 2 Throughput The Throughput tab displays the maximum throughput rate of the link under test Results are displayed in graphical and table fo...

Страница 52: ...format Graphical Latency results displayed in line graph form Latency us vs Frame size bytes Summary and Test log tables display Byte size Latency us Round trip delay latency Rate Percentage of frames...

Страница 53: ...he drop down menu to select the Frame Loss format Summary and Test log tables display test frame length byte size frame loss from received traffic and rate transmitted Graphical Frame Loss displayed i...

Страница 54: ...lly transmitted received at the line rate It is displayed in the following formats Summary table Displays Average Frame Count received for each test frame length Test log table Displays Average Frame...

Страница 55: ...ser may view or rename the results file by going to the Explorer folder located in the Files menu RFC Results Storage RFC Results File Explorer Go back to top Go back to ToC 9 0 Throughput Testing Mul...

Страница 56: ...Applications described above The following parameters must be configured prior to performing a Throughput test Number of streams see General Settings below Bandwidth per stream see General Settings be...

Страница 57: ...loads the same configuration profile header traffic and frame size to the remote partner with the MAC and IP addresses inverted Throughput Control Setup Peer to Peer Throughput Control Setup OAM Disc...

Страница 58: ...n Throughput Setup Selecting a Stream Throughput Setup Header Stream 1 Multiple Streams All streams are configured for the same test layer if Layer 2 is selected then all streams will be Layer 2 traff...

Страница 59: ...traffic profile per stream including frame size selection traffic type and transmit rate If the same traffic type applies to all streams apply this profile to all streams using the Apply to All button...

Страница 60: ...rame when error injection icon is pressed The Pause time duration is configurable in units of 512 bit time At Gigabit Ethernet speed this is equivalent to 512 ns For example if pause time is set to 10...

Страница 61: ...the user can now start the Throughput test Note If testing on fiber ports make sure the LASER is turned on before starting the test Go back to top Go back to ToC 9 2 Throughput Results 9 2 1 Viewing...

Страница 62: ...n value is 10 or 100Mbps of the total link capacity or Line Rate Total of frames Total number of bad frames Optical power Optical level measured by the SFP or XFP transceiver The Global Stream Summary...

Страница 63: ...BER Bit Error Ratio Symbol Declared when an invalid code group in the transmission code is detected FCS CRC Number of received frames with an invalid Frame Check Sequence FCS IP Checksum Invalid IP Fr...

Страница 64: ...otal Total accumulated duration of the service disruptions Min Max Minimum and maximum duration of the service disruption events Times Counter of service disruption events Throughput Results Global Er...

Страница 65: ...with each stream Errors Errors associated with each stream Events Events associated with each stream Traffic Traffic statistics associated with each stream Delay Delay associated with each stream Rate...

Страница 66: ...eam Throughput Results Delay per Stream Go back to top Go back to ToC The Per Stream Traffic screen displays the frame type summary graphical frame type tabular and frame size distribution pertaining...

Страница 67: ...frames 1024 1279 byte frames 1280 1518 byte frames 1518 byte frames Jumbo frames Throughput Results Traffic Overview Per Stream Throughput Results Frame Types Per Stream Throughput Results Frame Size...

Страница 68: ...Saving Throughput Results To save test results press the store button during or after testing The test results are saved and named automatically Once saved the user may view or rename the results file...

Страница 69: ...thernet Virtual Circuits EVC The OAM service supports IEEE 802 3ah IEEE 802 1ag and ITU T Y 1731 The OAM feature can be accessed through the Throughput menu Throughput Setup OAM Go back to top Go back...

Страница 70: ...AM enabled devices to exchange their OAM capabilities configuration and identity to link partners Check on the boxes to advertise selected capabilities during Discovery Note Each device can be placed...

Страница 71: ...ion 10 3 Definitions for more details Page 1 MD Format Configure the format of the Maintenance Domain name None Null field No maintenance domain name present MAC 2octet User configurable MAC address 2...

Страница 72: ...of Loopback messages to be sent LBM test only TTL Enter the Time to Live field in the LTM message TTL will be decremented each time it crosses a hop MIP LTM test only Page 4 Y 1731 Test Function LTM L...

Страница 73: ...and isolation Loopback Verify connectivity to a specific point in the message Equivalent to ping test Go back to top Go back to ToC Frame Loss Measurement Two local counters for each peer MEP TxFCf Co...

Страница 74: ...ults 10 2 1 Link OAM Results Link OAM Discovery The discovery page lists Local the current test unit and Remote far end device parameters OAM Link Discovery Page 1 Mode Lists Active or Passive mode co...

Страница 75: ...fully discovered Parser Multiplexer state Forward indicates the device is forwarding regular traffic transmission Loopback drop indicates loopback is enabled Flags Flag decode is listed in the graphic...

Страница 76: ...Duplicate Events are Threshold crossing events not supported in the current software release Number of Loopback Control frames Variable Request and Response are MIB query messages not supported in th...

Страница 77: ...arm is triggered if a defect is present for a time period of 10s The fault alarm is cleared if a defect condition is not present for a time period of 10s OAM Service LBM OAM LBM Results LBM Status Pas...

Страница 78: ...ted how many hops have been traversed Flags If set indicates that only MAC addresses learned in a Bridge s Filtering Database and not information saved in the MIP CCM Database is to be used to determi...

Страница 79: ...ck to top Go back to ToC 10 3 Definitions 10 3 1 802 3ah OAM Discovery Discovery is the first phase of the 802 3ah protocol During Discovery local and remote units exchange Information OAM PDUs indica...

Страница 80: ...ents can either be MEPs End Points or MIPs Intermediate Points MEPs are at the edge of the network They can generate and respond to OAM messages A point to point EVC has only 2 MEPs a multi point EVC...

Страница 81: ...ed after no CCM is received for 3 5 times the CCM interval Note There can be 4 094 VLANs per port and up to eight maintenance levels This yields a worst case CCM transmission rate of 9 8 million CCMs...

Страница 82: ...nk Trace Reply and forward the LTM on to its destination LTM Diagram Link Trace Message Format Link Trace Response Format Go back to top Go back to ToC Loopback Message LBM LBR LBM Loopback Message ar...

Страница 83: ...work monitoring for troubleshooting network traffic problems Isolate network problems to the customer network or the service provider operator network Monitor traffic between 1000Base X links or 10 10...

Страница 84: ...enabled or disabled When enabled the pass through will show a Pass Fail status based on the configured threshold values Utilization in CRC error count Service Disruption in ms Optical Power level in d...

Страница 85: ...associated with loss of signal Current Duration of the current service disruption Total Total accumulated duration of the service disruptions Min Max Minimum and maximum duration of the service disrup...

Страница 86: ...FCS errors Broadcast frames have a MAC address equal to FF FF FF FF FF FF Multicast frames Number of Multicast frames received without FCS errors Pause frames Number of valid flow control frames recei...

Страница 87: ...or Mode Frames Monitor Mode Frame Size Go back to top Go back to ToC 11 2 5 Delay and Rates Delay Frame arrival statistics are displayed in tabular format Current Minimum Maximum Variation Current Rat...

Страница 88: ...tor Mode Rate Details Go back to top Go back to ToC 11 2 6 Port Selection To view Port 1 and Port 2 results select P1 and P2 respectively to switch between ports Port Selection Monitor Mode MX100e MX1...

Страница 89: ...tered to the Tx loopback interface Layer 2 3 4 In a Layer 2 or 3 loopback all incoming test traffic will be looped back The loopback function will swap the MAC destination and MAC Source addresses for...

Страница 90: ...address and solve the deficiencies of RFC 2544 RFC 2544 was limited to test at the maximum throughput line rate for a single service SAM is able to run multiple services on a single 10 100 1000 or 10G...

Страница 91: ...ted against the Service Acceptance Criteria FLR FTD FDV measured simultaneously The CIR test passes if the measurements on the received traffic stay below the performance objectives Step 2 Excess Info...

Страница 92: ...sable the configuration test Configuration Test Step Specify min and max duration for the configuration test step Performance Test Enable or Disable the performance test Perf Test Duration Selections...

Страница 93: ...on on the bottom right hand side of the screen displays the Summary MAC and RX Filter tabs which are also explained in the RFC 2544 Setup section The user can assign a name to each stream by tapping o...

Страница 94: ...e user specifies the following bandwidth criteria Traffic Flow Defines the Frame Size Type Fixed or EMIX Ethernet Mix Frame Size For Fixed Traffic Flow Input a fixed frame size within the range of 64...

Страница 95: ...LAN header configuration screen becomes grayed out and cannot be configured If no VLAN is configured for the service traffic the Color Mode parameter is ignored CBS and EBS Committed Burst Size CBS an...

Страница 96: ...om of any of the Services tabs Header Bandwidth Threshold to copy frame parameters specific to that tab to other services For example pressing Copy on the Header tab will only transfer header paramete...

Страница 97: ...t for the corresponding service is set to run Tap on the box to remove the check and cancel the test for that service Go back to top Go back to ToC 13 2 5 Control Settings Please see 7 1 4 Control Set...

Страница 98: ...R FTD and FDV as the test is running If any measured values do not meet the service test parameters set in the Bandwidth and Threshold tabs the test fails The zoom function on the bottom right side of...

Страница 99: ...if all measured values are below the thresholds configured If a threshold is disabled it will not be evaluated towards pass fail criteria CIR EIR test The test passes if the received IR value is betw...

Страница 100: ...s the number of lost frames FLR Ratio of lost frames to the total transmitted frames AVAIL The service becomes unavailable if more than 50 of the frames are errored or missing in a one second interval...

Страница 101: ...ly Additional Tests Home Menu Additional Tests Home MX100e Go back to top Go to ToC 14 1 Packet Capture The packet capture function can be used to capture packets from the 10 100 1000Base T port or Et...

Страница 102: ...er of packets or seconds for packet capture to stop Input values must be within the range of 1 65535 Filter If Automatic Capture Mode is selected Packet Capture will only capture packets that meet fil...

Страница 103: ...Go back to top Go to ToC 14 2 Scan Note Scan is only available in P1 mode VLAN Scan scans up to 4096 VLAN IDs for switch configuration and displays VLAN ID bandwidth rates useful for identifying top...

Страница 104: ...s Filtering Traffic Monitor tab Profile Select Scan Result New Profile or a saved profile Scan Result Displays stream and VLAN IDs from last scan New Profile Creates a new profile Input the number of...

Страница 105: ...t a different stream Monitor Results Global Viewing Results by Stream Go back to top Go to ToC 14 3 NetWiz NetWiz function allows the user to test the ethernet cable Press Start to begin the test The...

Страница 106: ...d the number of devices and networks found The Devices tab provides a summary of the total devices found and the number of devices are routers servers or hosts Go back to top Go to ToC 14 4 Profile Sc...

Страница 107: ...Move to the next profile in the script for testing This button only appears after the completion of each profile test Cancel Scripting Stops the scripting procedure exits the menu and goes back to th...

Страница 108: ...Common Functions Manual for these sections The sections are renumbered in the V100 Common Functions Manual as follows 14 1 5 1 IP Web FTP ARPWiz VoIP Ping Trace Route 14 2 5 2 Net Wiz 14 3 6 0 Setting...

Страница 109: ...uration Tools Remote Control the instrument optional ReVeal MTX Home Menu Go back to top Go back to ToC 16 1 Profiles Profiles menu allows you to Manage Test Applications Create and edit applications...

Страница 110: ...lows you to Download Results Manage Results Create Reports Convert Results to PDF format Convert Results to CSV Comma Separated Value format Print Results to a selected printer ReVeal MTX Results Menu...

Страница 111: ...menu allows you to Download software from the VeEX website to upgrade the test set Enable or Disable software options Check test set configuration Upgrade test set software ReVeal MTX Software Menu M...

Страница 112: ...instrument The test instrument must be connected to the PC via an IP connection Select the remote control application located in the Tools menu Start the remote control application For detailed infor...

Страница 113: ...Inc warrants software and firmware materials against defects in materials and workmanship During the warranty period VeEX will at its sole discretion either Repair the products Replace the software an...

Страница 114: ...nd safety requirements set out in European Directives To permit the use of a CE mark on a product proof that the item meets the relevant requirements must be documented Use of this logo implies that t...

Страница 115: ...ew Court Fremont CA 94538 CA USA Tel 1 510 651 0500 Fax 1 510 651 0505 Customer Care Phone 1 510 651 0500 E mail customercare veexinc com Go back to ToC MX100e MX120e e_Manual D07 00 050P RevD00 Page...

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