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Datacom Systems DS-1404 Скачать руководство пользователя страница 22

Datacom Systems Inc. 2016

22

DURAstream

™

DS-1404, DS-1406, DS-2408 FASTstart Guide

5.3 Heartbeat Expiration

The Heartbeat Expiration configuration controls the length of time that the DURAstream™
will wait before considering a heartbeat lost. Setting the Heartbeat Expiration to 200ms
will cause all heartbeats that have not arrived back at the DURAstream™ within 200ms to
be considered lost. If they are received after this 200ms period of time, they will not be
considered a successful heartbeat.

In scenarios where the appliance is expected to have some delay, a longer Heartbeat
Expiration setting may be more suitable.

In scenarios where minimal latency is expected to be introduced to the link by the
appliance, a shorter Heartbeat Expiration setting may be more suitable.

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Содержание DS-1404

Страница 1: ...DS 1404 DS 1406 DS 2408 Bypass Switches FASTstart Guide April 2016 2016 Datacom Systems Inc ...

Страница 2: ...er Status Indicators 13 2 7 Rear Power Ports 13 2 8 Rear Unit Identifiers 14 3 Network IP Address Configuration 15 3 1 Default Settings 15 3 2 Setting up the DURAstream for Management Port Access 16 4 Management Connection 18 4 1 Setup 18 4 2 Connecting via Telnet 19 5 Bypass Terminology Explanation 21 5 1 Overview 21 5 2 Heartbeat Frequency 21 5 3 Heartbeat Expiration 22 5 4 Heartbeat Fail Count ...

Страница 3: ... 2 Email Send Test 38 6 2 3 Email Set Password 38 6 2 4 Email Set Destination 39 6 2 5 Email Set Source 39 6 2 6 Email Set Server 39 6 2 7 Email Set Trigger 40 6 3 Management Port Commands 40 6 3 1 Management Get Info 40 6 3 2 Management Reset 41 6 3 1 Management Set CLI Timeout 41 6 3 2 Management Set Daemon CLI 41 6 3 3 Management Set Daemon Shell 41 6 3 4 Management Set Daemon NTPD 42 6 3 1 Man...

Страница 4: ...tch Commands 47 6 5 1 Switch Restart 47 6 5 2 Reset To Factory Defaults 47 6 5 3 Update System Firmware 47 6 6 System Commands 48 6 6 1 System Get Info 48 6 6 1 System Reset Logfile 48 6 6 2 System Send Logfile 49 6 6 3 System Set Name 49 6 6 4 System Set NTPDserver 50 6 6 5 System Set Time 50 6 6 6 System Set Zone 50 7 Configuration Examples 51 7 1 Single Copper Appliance for a 1G Fiber Link 51 8...

Страница 5: ...ers By using Datacom Systems Inc products you agree to the terms set forth No licenses express or implied are granted with respect to the technology described and Datacom Systems Inc retains all rights with respect to the technology described herein If applicable you may return the product to the place of purchase for a full refund 1 3 Proprietary Notice This document contains proprietary informat...

Страница 6: ...onment may be greater than room ambient Therefore consideration should be given to installing the equipment in an environment compatible with the maximum ambient temperature specified B Reduced Air Flow Installation of the equipment in a rack should be such that the amount of air flow required for safe operation of the equipment is not compromised C Mechanical Loading Mounting of the equipment in ...

Страница 7: ...n easy to manage external active bypass failover for data monitoring of critical 1 or 10 Gigabit fiber network segments Line rate throughput and real time data forwarding hardware protects data and allows critical voice and data applications to perform uninterrupted and meet high demands for quality and security Deployed with an in line monitoring tool a DURAstream Bypass Switch creates a comprehe...

Страница 8: ... Ports Network Ports Two 2 10 1G Fiber Appliance Ports Four 4 SFP Supports SFP SR LR LRM SFP SX LX BT DS 2408 Ports Network Ports Four 4 10 1G Fiber Appliance Ports Four 4 SFP Supports SFP SR LR LRM SFP SX LX BT Management Port front RJ45 10 100 1000 Mb Full Duplex Serial Port front DB9 115 200 bps 8 data bits Parity none 1 stop bit Flow control none Power Requirements Maximum Power Consumption Le...

Страница 9: ... SFP transceivers Model Specification FCLF 8521 3 100BASE TX 1000BASE T FTLF1318P3BTL 1000BASE LX FTLF1319F1GTL 1000BASE LX FTLF8519P3BTL 1000BASE SX Ethernet FTLX1412D3BCL 10GBASE LR 10GBASE LW FTLX1471D3BCV 1000BASE LX 10GBASE LR 10GBASE LW FTLX1612M3BCL 10GBASE ER 10GBASE EW 10GBASE ER EW FEC FTLX1671D3BCL 10GBASE ER 10GBASE EW FTLX1811M3 10GBASE ZR 10GBASE ZW FTLX8511D3 10GBASE SR 10GBASE SW F...

Страница 10: ...e way an appliance would normally be installed to the network Network port 1 connects to one endpoint and Network port 2 connects to the endpoint on the opposite end of the link Network Pairs have a multi tiered fail open mechanism that allows them to preserve network connectivity in the event of an appliance failure or even a power failure to the DURAstream ...

Страница 11: ...ld normally connect to a network Appliance ports provide connectivity between the network traffic and the appliance In addition to providing the appliance with inline network traffic appliance pairs will also send heartbeat packets to monitor the health of the appliance The DURAstream uses this information to decide if the appliance should be inline or cut off from live traffic ...

Страница 12: ...erminal emulator such as Tera Term or Putty the serial port may be accessed for login and configuration using the CLI interface Management Port The management port can be used to connect to the DURAstream Bypass Switch using a standard copper ethernet RJ 45 cable Using a terminal emulator such as Tera Term or Putty the management may be accessed for login and configuration using the CLI interface ...

Страница 13: ...ected or it is not switched ON Although only one power source is required to power the DURAstream use of a second independent power source is strongly recommended to assure maximum link uptime The STATUS LED indicator flashes green during the boot up cycle and turns solid green upon a successful boot sequence indicating the DURAstream is operational 2 7 Rear Power Ports Each DURAstream has two pow...

Страница 14: ...t of the device is printed here This is a permanent address that will indicate the unique DURAstream ID to the network Serial The serial number is used to identify a specific Datacom product for tracking or support contract purposes L and R The micron specifications for the Network Pairs are shown here L stands for Network Pair 1 R stands for Network Pair 2 It s important for the micron specificat...

Страница 15: ... default configuration as follows IMPORTANT If you expect to remotely connect to the DURAstream series you must change the IP Address Subnet Mask and Gateway to match your Local Area Network In order to initially change the IP settings on the management port you can connect to the device over the serial port on the front Telnet Port 23 Serial Terminal Settings Bits per second 115200 Data bits 8 Pa...

Страница 16: ...Astream NOTE For PCs without 9 pin serial ports check with your product representative for available sources of a USB RS 232 Serial Adapter Step 2 Using the supplied AC Line Cords and AC Adapters plug the DURAstream into an external power source Step 3 Open the terminal emulation application PuTTY or Tera Term for example on your PC and use it to establish a serial connection to the DURAstream Ste...

Страница 17: ...mask o MANAGEMENT SET GATEWAY Gateway IP address o EXIT You must enter the exit command and log back into the DURAstream before the changes are applied Step 6 Once you have logged back in to the device enter the management get info command This will display setting information regarding the management port Verify that the settings are correct You may choose to configure the DURAstream using either...

Страница 18: ...the management port is connected directly to a laptop or PC a crossover cable may be required When the cable is connected the LED light on the left side of the port will illuminate green This indicates that a link has been established with the device on the other end of the cable The LED on the right side of the port will occasionally blink green when traffic is being passed To confirm that there ...

Страница 19: ...1 a terminal emulator may be used to configure the device The following steps show the process for connecting to the DURAstream through Telnet The images used in the steps are from the terminal emulator Tera Term Most terminal emulators can be used to connect to the DURAstream however using either Tera Term or Putty is recommended Step 1 Open the terminal emulator Select Telnet as a method for con...

Страница 20: ...Tstart Guide Step 2 Enter the IP address of the VERSAstream in the Host field Click OK Step 4 To confirm that connection to the correct device was made enter the system get info command to view unique identifiers for the unit such as the Serial Number and MAC Address ...

Страница 21: ...t can be changed dynamically The default settings are suited for most use cases but can be easily modified to change the parameters of how the DURAstream interacts with the appliance 5 2 Heartbeat Frequency The frequency setting will determine how often heartbeats are sent out to the appliance Setting the frequency setting to 100ms will cause the bypass switch to send out a total of 10 heartbeats ...

Страница 22: ...ll cause all heartbeats that have not arrived back at the DURAstream within 200ms to be considered lost If they are received after this 200ms period of time they will not be considered a successful heartbeat In scenarios where the appliance is expected to have some delay a longer Heartbeat Expiration setting may be more suitable In scenarios where minimal latency is expected to be introduced to th...

Страница 23: ...ken to bypass the appliance The lower the fail count is set to the faster the DURAstream will take action to bypass the appliance This is recommended for scenarios where network traffic flow has priority over appliance control over traffic The higher the fail count is set to the greater the time the DURAstream will wait before it takes action to bypass the appliance This is recommended for scenari...

Страница 24: ...nce should be put back inline on the link The lower the Reactivation count is set to the faster the DURAstream will put the appliance back inline This is recommended for scenarios where appliance control over traffic is critical The higher the Reactivation count is set to the longer the DURAstream will wait before putting the appliance back inline This is recommended for scenarios where network tr...

Страница 25: ...that heartbeats are inserted in By default UNI the heartbeats will always transmit out the odd port and be received on the even port Setting this field to BIDI will cause each appliance port to both transmit and receive heartbeats simultaneously BiDi is recommended for appliances which are designed to monitor both ingress and egress sides of traffic flow ...

Страница 26: ...out It s recommended to choose the heartbeat type that matches the network traffic and also the type of traffic that the appliance is designed to pay attention to If an appliance is looking primarily at TCP exchanges a TCP heartbeat is likely to give the most accurate measurement of the health of the appliance The following packet types are available Ethernet 0x88b5 ICMP echo IPX TCP SYN UDP ...

Страница 27: ...appliance is healthy based on user specified criteria it will direct traffic through the appliance ports If heartbeats do not arrive on the appliance ports the DURAstream will switch to bypass mode In this mode traffic will bypass the appliance and be directly routed from one network port to another The rerouting of traffic does not cause link loss on the network ports which minimizes the transiti...

Страница 28: ...ated the bypass switch can only be used to route traffic from a single network link High Availability mode reserves the second pair of appliance ports and assigns them to the first pair of network ports as backup appliance ports If both appliance pairs are not operational heartbeats are missing the network pair will bypass as it does in Normal mode The DURAstream sends traffic directly between net...

Страница 29: ...Datacom Systems Inc 2016 29 DURAstream DS 1404 DS 1406 DS 2408 FASTstart Guide ...

Страница 30: ...Datacom Systems Inc 2016 30 DURAstream DS 1404 DS 1406 DS 2408 FASTstart Guide ...

Страница 31: ...Datacom Systems Inc 2016 31 DURAstream DS 1404 DS 1406 DS 2408 FASTstart Guide ...

Страница 32: ...y put a connected appliance inline No heartbeats are transmitted in this mode meaning that the DURAstream is not able to monitor the health of the appliance When put into this mode loss of link to the appliance ports will not cause the traffic to bypass This mode can be used when testing a new appliance to prevent the bypass switch from going into bypass mode ...

Страница 33: ...intain a record of the appliance s health This mode is generally used when the appliance needs to be taken out of the stream of traffic but link and network connectivity cannot be interrupted When switching to this mode from all other modes with the exception of Passive Bypass there is no link downtime for the network endpoints When switching from Passive Bypass there is a brief link loss of conne...

Страница 34: ...ected to the DURAstream heartbeats will be sent out to monitor it s health however it will not receive network traffic This mode is used for link or bypass troubleshooting the DURAstream by allowing the network to function as if it were not inline If there is an active connection between the Network Endpoints and the DURAstream switching to this mode will result is a brief loss of connection that ...

Страница 35: ...t are shown in the output for the BYPASS GET INFO command Syntax BYPASS GET INFO RESET Example BYPASS GET INFO RESET 6 1 3 Bypass Set Direction Usage Guidelines Use this command to set the direction that heartbeats are inserted in By default UNI the heartbeats will always transmit out the odd port and be received on the even port Setting this field to BIDI will cause each appliance port to both tr...

Страница 36: ...e count to be low enough that the DURAstream will be able to detect abnormalities but high enough that it doesn t occasionally drop heartbeats during normal operation 6 1 5 Bypass Set Fail Usage Guidelines Use this command to set the number of heartbeats that must be missed consecutively to trigger a failover Heartbeats are considered missed once they hit the threshold defined by the bypass set ex...

Страница 37: ...pe of heartbeats that the DURAstream sends through the appliance Syntax BYPASS SET PACKET IPX TCP SYN UDP ETH ICMP Example BYPASS SET PACKET TCP SYN Command Notes If your appliance looks for a specific packet type it s recommended to set the heartbeat packet type to match it This will provide the most accurate analysis of the appliance 6 1 9 Bypass Set Reactivate Usage Guidelines Use this command ...

Страница 38: ...Failover Change o Power Supply Failure o Boot 6 2 2 Email Send Test Usage Guidelines Use this command to send a test email using the configured Source Destination IP Server and Password Recommended to verify connectivity between the DURAstream and the server Syntax EMAIL SEND TEST Example EMAIL SEND TEST 6 2 3 Email Set Password Usage Guidelines Use this command to set the password for the email S...

Страница 39: ...n the configured server 6 2 5 Email Set Source Usage Guidelines Use this command to set the Source for the email notifications The emails that are sent to the destination address will show that they are from this sender Syntax EMAIL SET SOURCE email address com Example EMAIL SET SOURCE notifications acmetest com Command Notes The email address is case sensitive This should match an existing email ...

Страница 40: ... SET TRIGGER Feature ON OFF Example EMAIL SET TRIGGER Heartbeat ON Command Notes Feature Triggers Available Link Heartbeat Failover Power Boot 6 3 Management Port Commands 6 3 1 Management Get Info Usage Guidelines This command is used to print current IP information for the management port in addition to system information Syntax MANAGEMENT GET INFO Example MANAGEMENT GET INFO Command Notes Displ...

Страница 41: ... CLI TIMEOUT 1 1000 Example MANAGEMENT SET CLI TIMEOUT 100 Command Notes The number component of the command determines the timeout in minutes Only enter positive values into the timeout field 6 3 2 Management Set Daemon CLI Usage Guidelines This command is used to set the telnet command line on or off Syntax MANAGEMENT SET DAEMON CLI ON OFF Example MANAGEMENT SET DAEMON CLI ON Command Notes If tu...

Страница 42: ...he Dynamic Host Configuration Protocol DHCP server This is an alternative to setting the IP Subnet Gateway information manually Syntax MANAGEMENT SET DHCP IPv4 address Example MANAGEMENT SET DNS 192 168 1 28 Command Notes When turned on the static IP information entered the Management set IP Management Set Subnet and Management Set Gateway commands will no longer be used It s recommended that you ...

Страница 43: ...mand is used to configure the gateway address for the management port on the switch Syntax MANAGEMENT SET GATEWAY IPv4 address Example MANAGEMENT SET GATEWAY 192 168 1 1 6 3 5 Management Set Password Usage Guidelines This command is used to change the password to log into the DURAstream Syntax MANAGEMENT SET PASSWORD string Example MANAGEMENT SET PASSWORD DatacomPass4321 Command Notes Entering thi...

Страница 44: ...nd to receive new firmware versions for upgrading 6 3 8 Management Set Username Usage Guidelines This command is used to change the username to log into the DURAstream Syntax MANAGEMENT SET USERNAME string Example MANAGEMENT SET USERNAME AuthUser Command Notes Entering this command will replace the default Administrator user 6 4 Port Commands 6 4 1 Port Get Info Usage Guidelines This command is us...

Страница 45: ...x Bytes 6 4 3 Port Get Counter Detail Usage Guidelines This command is used to display port counter information for a port or set of ports This option will display various packet counters that are used for diagnostic purposes Syntax PORT 1 2 3 4 5 6 7 8 GET COUNTER Detail Example PORT GET COUNTER Detail Command Notes Fields Displayed RX Packets TX Packets Rx Bytes Tx Bytes Various Diagnostic Field...

Страница 46: ...on with the Port Set Speed command to set up the DURAstream ports to match the appliance Using the Symbol will change all ports 6 4 6 Port Set Speed Usage Guidelines This command is used to change the speed of the port Use it to make the port on the DURAstream the same as the attached Network endpoint or appliance Syntax PORT 1 2 3 4 5 6 7 8 SET SPEED speed Example PORT ALL SET SPEED 10G Command N...

Страница 47: ...ts out of the box settings A system reboot will take place once this command is issued Syntax RESET TO FACTORY DEFAULTS Example RESET TO FACTORY DEFAULTS Command Notes This command is case sensitive and has no shortcut version You must type it out in all caps 6 5 3 Update System Firmware Usage Guidelines This command is used to upgrade the firmware on the DURAstream Once the command is issued the ...

Страница 48: ...roduct Model Current Operating Mode Firmware Version System Name System Serial Number System Time NTP Server Time Zone 6 6 1 System Reset Logfile Usage Guidelines This command is used to clear the current system logfile that contains commands entered logins and events Syntax SYSTEM RESET LOGFILE Example SYSTEM RESET LOGFILE Command Notes Entering this command will remove all historical information...

Страница 49: ...ts System Name System IP Address User that issued Exact string entered Timestamp Events System Name System IP Address Event that occurred Cold boot Port state change etc Timestamp User Logins System Name System IP Address User that Logged in Login Method Telnet Serial etc Timestamp 6 6 3 System Set Name Usage Guidelines This command is used set the system name that is displayed in the prompt and u...

Страница 50: ...stem Set Time Usage Guidelines This command is used set the time manually This option is not available if NTP is enabled Syntax SYSTEM SET TIME YEAR MONTH DAY HOUR MINUTE Example SYSTEM SET TIME 2016 9 21 3 45 Command Notes If NTP is turned on and successfully connected the user configured value in this field will be overwritten 6 6 6 System Set Zone Usage Guidelines This command is used set the t...

Страница 51: ...twork ports and one pair of appliance ports The network traffic will be directed to the inline appliance through the switch In the event that a failure is detected in the appliance traffic is redirected around the appliance This allows the network connection to retain link state and experience minimal downtime from the appliance failure In this scenario the network link is 1G fiber and the monitor...

Страница 52: ...o Appliance Port Setup Command Explanation Port 3 Set Media Copper Since a copper monitoring tool is being used the appliance ports 3 and 4 must be set to copper media type and 1G speed Port 3 Set Speed Auto Port 4 Set Media Copper Port 4 Set Speed Auto Optional Heartbeat Modification Command Explanation Bypass Set Freq 100 Heartbeats are sent every 100ms Bypass Set Expire 100 DURAstream waits 100...

Страница 53: ...ource john_doe acme com Emails notifications will appear from the entered email address Email Set Destination john_smith acme com Emails notifications will arrive at the entered email address Email Set Server 192 168 1 3 Email notifications will go through the entered email server Email Set Password test Password for the email server being used ...

Страница 54: ...art Guide 8 Customer Service DatacomCustomer Service is available via telephone and Internet You mayalso find the assistance you need at our website http www datacomsystems com Telephone 1 315 463 9541 Internet website http www datacomsystems com support contact support ...

Страница 55: ...Datacom Systems Inc 2016 55 DURAstream DS 1404 DS 1406 DS 2408 FASTstart Guide Datacom Systems Inc 9 Adler Drive East Syracuse NY 13057 TEL 1 315 463 9541 FAX 1 315 463 9557 http www datacomsystems com ...

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