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Bercut-ETL. Operating manual

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Содержание Bercut-ETL

Страница 1: ...Bercut ETL Ethernet Gigabit Ethernet loopback Operating manual Version 1 1 2 0 2012 Metrotek ...

Страница 2: ... this document may be reproduced in any form or by any means without the written permission of Metrotek Metrotek retains the right to make changes to the hardware software of Bercut ETL and to this document at any time without notice ...

Страница 3: ...es 13 4 Loopback 15 4 1 Loopback adjustment 17 5 Remote management 19 5 1 Remote control via Telnet potocol 19 5 2 OAM 20 5 3 ET discovery 21 5 4 Upgrading software versions 22 5 4 1 Device preparing for upgrading software versions 22 5 4 2 PC setup for device software upgrading 23 6 Troubleshooting 25 Bercut ETL Operating manual ...

Страница 4: ...4 Bercut ETL Operating manual ...

Страница 5: ...rs of the OSI model in IP Ethernet networks Incoming traffic is being retransmitted backward with possibility of source and destination MAC IP addresses and TCP UDP port numbers swapping To switch between loopback layers L button is used The device allows to perform loopback control via OAM protocol and remote control via TELNET protocol Bercut ETL Operating manual ...

Страница 6: ...6 Bercut ETL Operating manual ...

Страница 7: ...7 2 Supply kit Table 2 1 Supply kit Item Quantity Device Bercut ETL 1 Power supply unit with connecting cable 1 PC connecting cable 1 Changeable nozzle 4 Bercut ETL Operating manual ...

Страница 8: ...8 Bercut ETL Operating manual ...

Страница 9: ... 3 1 Appearance of Bercut ETL LEDs LEDs are located on the front panel of Bercut ETL They show loopback layer Ethernet links and power supply unit connection state Loopback layer indicators 1 layer 1 loopback Bercut ETL Operating manual ...

Страница 10: ...ansmission state green data is being received transmitted at the moment off no data is being received or transmitted at the moment FDX Ethernet interface state green full duplex connection is established off half duplex connection is established Power external power supply indicator is located in the left bottom corner of front panel green power supply unit is plugged in red device malfunction the...

Страница 11: ...be connected are described in the ta ble 3 2 Table 3 2 Connectors description Designation Description Connected equipment port A1 RJ 45 connector to connect to the tested network or equipment Ethernet cable SFP module connector SFP module 9 V External power unit connector Power supply unit 1Port A contains 2 connectors RJ 45 and SFP During the test only one connector of the port is used Bercut ETL...

Страница 12: ...12 Bercut ETL Operating manual ...

Страница 13: ...econd and LINK indicator color has changed to green 3 To perform analysis connect Bercut ETL to the tested network 4 To turn the device off disconnect the power supply unit Note if you want to restore default settings of the device hold the button of a loop s level choice L for 5 seconds Three LEDs will flash once for 1 second to inform you Bercut ETL Operating manual ...

Страница 14: ...14 Bercut ETL Operating manual ...

Страница 15: ...ng traffic including error frames is being retransmitted backward without changing 1 2 4 5 1 2 4 5 Figure 4 1 Loopback at the physical layer All the connection schemes use the following notation MAC Src source MAC address MAC Dst MAC address of Bercut ETL IP Src source IP address IP Dst destination IP address TCP UDP Dst destination TCP UDP port number TCP UDP Src source TCP UDP port number At the...

Страница 16: ...ed backward with source and destination IP and MAC addresses swapping Note the frame will be retransmitted only if a frames destination MAC address is equal to the MAC address of Bercut ETL Figure 4 3 Loopback at the network layer At the Transport layer L4 the incoming traffic without error pack ets is being retransmitted backward with source and destination IP and MAC addresses swapping and sourc...

Страница 17: ...rt layer 4 1 Loopback adjustment Connect Bercut ETL to the Ethernet network and select Loopback layer by pressing L button Additional parameters IP address MAC address etc are being adjusted in the remote management mode see section 5 Bercut ETL Operating manual ...

Страница 18: ...18 Bercut ETL Operating manual ...

Страница 19: ...ault password admin Table 5 1 Remote management commands show mode Command Information shown in the console or action performed show version software versions show link the state of the interface show ip address interface IP address show ip netmask interface subnet mask show ip gateway gateway IP address show gbe speed interface speed show gbe autonegotiation interface autonegotiation state show g...

Страница 20: ... of accessible commands Note configuration mode commands become effective after save and reboot commands 5 2 OAM OAM Operations Administration and Maintenance is a protocol of the link state monitoring The protocol operates at the Data Link Layer of OSI model To transmit data between two Ethernet devices OAM protocol data units OAMPDU are used An important feature of the OAM protocol is providing ...

Страница 21: ... accordance with connection diagram it is possible to switch loopback mode on for several devices Bercut ETL in series The devices may be in the same or in the different subnets Note the loopback mode on the Bercut ETL devices may be switched off or switched on Note for data transmission UDP protocol is used Destination port number is 32792 Source port number is 32793 Bercut ETL Operating manual ...

Страница 22: ... upgrade software versions TFTP protocol is used If you use Unix operating system 1 Connect Bercut ETL to network 2 Establish connection with the device over Telnet protocol enter user name admin and password admin 3 To enable TFTP server enter in console terminal in configure mode tftp on Figure 5 2 Upgrading software versions When you prepare the device to software upgrading in Windows operating...

Страница 23: ...device by means of TFTP client enter in console terminal connect IP address_of_device 3 To upload software package file with the new version of software enter in console terminal put path to file etl_X X X bin Note instead of etl X X X bin inscription it is necessary to enter corresponding file name Figure 5 3 Upgrading software versions Unix When you perform device software upgrading in Windows o...

Страница 24: ...formance will appear in console terminal When the software package file is uploaded Bercut ETL will automatically reboot Notes If current and new versions of the software are very much dif ferent settings are restored to default In case of unsuccessful upgrade device work still may be restored Just hold the button of a loop s level choice for 5 seconds while turning on power supply Device will res...

Страница 25: ...oes not light up Incorrect cable connection Check cable connection state Two active connections RJ 45 and SFP at the same time Use only one of the device connectors No telnet connection Loopback mode is on Switch off Loopback mode by means of OAM proto col ET discovery function or by pressing L button Bercut ETL Operating manual ...

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