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Coaxial Networks, Inc.

Page 43 of 60

Application Notes

Network traffic between cable clients

By default IRIS does not allow traffic between CPEs behind cable modems on the same IRIS. To
enable this you have to turn the “

NetLoopbackMode

” setting in iris.txt file to “1”.

Edit the “iris.txt” file from the system prompt and then change the above seeting to

NetLoopbackMode = 1

Save the file and restart IRIS.

Allowing PPPoE traffic across IRIS

By default IRIS is configured to forward Ethernet packets of IP protocol type only. If you wish to
offer PPPoE services to your customers, you have to configure IRIS so that PPPoE protocol is
forwarded across IRIS. This configuration applies if you are operating IRIS in bridge mode.

Edit the “iris.txt” file from the system prompt and then under the
“

BEGIN_NetProtocolType

“ section add the following lines which specify the PPPoE

Ethernet packet type

BEGIN_NetProtocolType
TypeField1 = 0x81
TypeField2 = 0
TypeLength = 1
END_NetProtocolType

Make sure you do not remove the default forwading for IP Ethernet packet types.

BEGIN_NetProtocolType
TypeField1 = 8 // default = 8 (IP)
TypeField2 = 0 // default = 0 (ALL)
TypeLength = 1 // default = 1
END_NetProtocolType

Save the file and restart IRIS.

Static IP Mapping

When IRIS is operating in Router mode, some ISPs will like to reserve a publicly routable IP
address for a specific CPE behind the Network Address translation. Using this feature IRIS will
then create a one to one mapping between the public IP address and the private IP address. This
feature of NAT is called BIMAP.

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Содержание DC1100

Страница 1: ...IRIS DC1100 DC1100E Business Class Cable Modem Termination System Installation and Operational Guide Coaxial Networks Inc P N DC1100 UG Revision 4 13 ...

Страница 2: ...Coaxial Networks Inc Page 2 of 60 This page intentionally left blank ...

Страница 3: ... 17 Coaxial Cable Specifications 18 Connections 19 Cable Network Diagram 19 Configuration 21 Configuring IRIS 21 Logging into IRIS 21 Creating Class of Service Profiles 30 Controlling Cable Modem Access 32 Application Notes 43 Network traffic between cable clients 43 Allowing PPPoE traffic across IRIS 43 Static IP Mapping 43 Channel Frequency Chart 45 NTSC Channel Frequency Chart in MHz DOCSIS 45 ...

Страница 4: ...Coaxial Networks Inc Page 4 of 60 vi Syntax 55 Miscellaneous 1 57 ex Commands 58 ex syntax 58 The vi environment variables 59 File Saving and Loading 59 ...

Страница 5: ... Setup home page 22 Figure 10 IRIS Configuration Page 23 Figure 11 Save and reboot 24 Figure 12 Network Setup 25 Figure 13 Bridge mode setup 26 Figure 14 Bridge Mode Configuration 27 Figure 15 Downstream RF Settings 28 Figure 16 Upstream RF Settings 29 Figure 17 Class of Service Creation 30 Figure 18 Cable Modem Subscription 33 Figure 19 Telnet login prompt 35 Figure 20 IRIS CLI prompt 36 Figure 2...

Страница 6: ...Coaxial Networks Inc Page 6 of 60 This page intentionally left blank ...

Страница 7: ... PRICE EXCLUDING SHIPPING COST The following describes your license to use the software the Software that has been provided with your CNI IRIS Cable Modem Termination System equipment Hardware and the limited warranty that CNI provides on its Software and Hardware Software License The Software is protected by copyright laws and international copyright treaties The Software is licensed and not sold...

Страница 8: ...eived the Hardware and Software The end user is responsible for the selection of hardware and software used in the end user s systems Given the wide range of third party hardware and applications CNI does not warrant the compatibility or uninterrupted or error free operation of our Software with the end user s system 3 Exclusive Remedy Your exclusive remedy and Coaxial exclusive obligation for bre...

Страница 9: ...ms including framing and any non operative parts D CNI s limit of liability under the limited warranty shall be the actual cash value of the product at the time the end user returns the product for repair determined by the price paid by the end user for the product less a reasonable amount for usage CNI shall not be liable for any other losses or damages E The end user will be billed for any parts...

Страница 10: ...IMITED TO DAMAGES FOR LOSS OF PROFITS BUSINESS INTERRUPTION PERSONAL INJURY LOSS OR IMPAIRMENT OF DATA OR BUSINESS INFORMATION EVEN IF CNI HAS BEEN NOTIFIED OF THE POSSIBILITY OF SUCH DAMAGES CNI S LIABILITY TO YOU IF ANY FOR ACTUAL DIRECT DAMAGES FOR ANY CAUSE WHATSOEVER AND REGARDLESS OF THE FORM OF THE ACTION WILL BE LIMITED TO AND SHALL NOT EXCEED THE AMOUNT PAID FOR THE HARDWARE SOFTWARE 3 Ge...

Страница 11: ...oviders to roll out services in the untapped hospitality MDU and MTU markets Key Benefits No New Wiring IRIS DC1100 utilizes the existing cable infrastructure which means no new costly rewiring The system can be deployed without any downtime so crucial for the hospitality business Single Server Broadband Solution IRIS DC1100 is a single server broadband solution with which you can deploy and manag...

Страница 12: ...s operating system Network Service Provider Requirements Your Network Service provider should provide the following An uplink connection to the Internet provided by a NSP The NSP equipment must have output of 10 100 Ethernet port One Static IP Address Gateway Address Subnet mask DNS address Package Contents Your package should contain the items listed below If you determine anything to be damaged ...

Страница 13: ...x Transmit 3 Female F connector for coax Receive channel 1 4 Female F connector for coax Receive channel 2 for DC1200 models only 5 Uplink Ethernet RJ 45 port 6 Serial console port 7 LEDs Power PWR LED Green when the power is connected and the system power up Activity ACT LED Amber Yellow LED Blinks indicating Up Stream data transfer is active RF ON LED Green LED is lit when the Up converter is su...

Страница 14: ...e of a 19 rack you can mount the IRIS unit flat on the wall with the same mounting brackets supplied with the unit The screws are provided to attach these braces to the chassis However you will need to provide appropriate screws to secure the chassis to the wall If you have a dry wall recommended screws are hollow wall anchor screws Always check your local code for compliance Mounting on standard ...

Страница 15: ...e the chassis to the wall If you have a dry wall recommended screws are hollow wall anchor screws Always check your local code for compliance Refer to the diagram for positioning the chassis so that sufficient air can flow in and out of the chassis CHASSIS REAR CHASSIS FRONT MOUNTING IRIS FLAT ON WALL RACK MOUNT BRACES IRIS CHASSIS TOP WALL ANCHOR SCREWS Not Supplied AIR FLOW AIR FLOW Figure 4 Fla...

Страница 16: ...Coaxial Networks Inc Page 16 of 60 air to flow in and out of the system Sufficient airflow will guarantee peek performance and longevity of the IRIS system ...

Страница 17: ... upconverter DC1100X DC1200X DC1400X You will have to connect the IF out from IRIS to a 256 QAM DOCSIS upconverter before cable modems will be able to connect to IRIS Refer to the chapter 3 for diagrams detailing these connections Checking Conditions Prior to System Startup Check the following conditions before you start your gateway All network interface cables are connected The power cable is co...

Страница 18: ...ote The consistent use of RG 6 or RG 6 U cable is preferred to connect the cable interface to the HFC network If you connect an RG 6 cable to a cable interface that was previously connected using RG 6 cable the difference in the center connector diameter might cause intermittent connectivity loss If you use different types of coaxial cable the following problems can appear Co channel interference ...

Страница 19: ... with Integrated Upconverter If in your headend you are using passive equipment such as combiner which does not allow return signals make sure that the connections are made in such a manner that return signals are not affected by such equipment IRIS Connections with an external Upconverter IRIS model numbers DC1100X and DC1100CX come without an integrated upconverter You will need an external DOCS...

Страница 20: ...ork switch or the uplink device such as satellite or DSL modem When connecting to a switch a straight Cat5 Ethernet cable will be required When connecting to a DSL modem or satellite modem you might need to use an orange colored cross over cable The link light on the IRIS Uplink port will light up when you have used the right cable required to connect to the switch or the uplink device Connect to ...

Страница 21: ...and the Ethernet interface is defined as en2 Logging into IRIS To configure IRIS you will have to login to IRIS either using the serial console port or over the network using the web interface or telnet program Connecting from Ethernet interface You should have already connected the IRIS uplink Ethernet interface to a switch or to a PC using a cross over Ethernet cable Configure your PC to have st...

Страница 22: ...ttp 192 168 21 1 2380 You will be prompted by the IRIS Admin login window Please enter the User name and Password to authenticate All IRIS systems ship with default user name iris and password 123456 IRIS Setup home page will appear in your browser as shown in Figure 9 Figure 8 Web Login Figure 9 Setup home page ...

Страница 23: ...le generation for QOS 6 Downstream channel QAM mode and Output power level 7 Upstream frequency for each channel 8 Report cable modem status Configuring TCP IP parameters To configure TCP IP parameter for IRIS or to set its operational mode click on the Network on the left hand side navigational menu Once selected the IRIS Network Setup screen appears on the right hand side as shown in Figure 10 F...

Страница 24: ... Netmask Gateway DNS Server Domain Name Do not change the Cable CM Interface or the Cable CPE Interface address Changing this will require you to edit the DHCP server configuration file manually You should change this address only if you wish to do so and know how to manually program a dhcpd conf file Future releases of IRIS firmware will provide graphical user interface to edit the DHCP server co...

Страница 25: ... need to configure you provisioning server so that it can allocate IP addresses to CPE devices that are behind the cable modems CNI provides a provisioning server called XFIRE to achieve this functionality If you are planning to use multiple IRIS in your cable plant you should put IRIS in bridge mode and use an external provisioning server The detail setup of such a provisioning server is beyond t...

Страница 26: ...he HFC side to the Ethernet side If you are planning to use the DHCP server available on IRIS do not change Cable CM Interface address If you change this address and plan to use DHCP server on IRIS to assign IP addresses to the cable modems make sure that the DHCP configuration file has appropriately been updated Using the Alias Interface you can assign another IP address configuration to IRIS thi...

Страница 27: ...Coaxial Networks Inc Page 27 of 60 Figure 14 Bridge Mode Configuration ...

Страница 28: ...can adjust the output level of the downstream signal If you wish to adjust output power levels beyond the range you have to use outside attenuators Digitally modulated signal levels are usually 10 to 12 dB less than the analog signal levels for the adjacent carriers 256 and 64 QAM modulation is used for downstream communication 256 QAM requires a much cleaner plant and channel For noisier cable pl...

Страница 29: ...ants and signal to noise ratios Figure 16 Upstream RF Settings Depending upon the IRIS model you have the Upstream RF Settings screen will have the number of channels For a DC1100 the screen will only have Channel 1 for DC1200 the screen will show Channel 1 and Channel 2 In the Frequency section for each channel type in the desired upstream center frequency you wish to use From the available modul...

Страница 30: ...ou can specify a different downstream channel that the cable modem should resynchronize to after registering with this IRIS You can also specify which upstream channel a cable modem should register on The Upstream channel can be used to tie a particular class of service to a particular upstream channel This setting is useful if you have IRIS DC1200 or IRIS DC1400 models The Net Access Enable setti...

Страница 31: ...ettings you wish to create this class of service with and the click the Generate Configuration file Remember that any protocol has overhead and your customers will see slightly less value if they do a speed test Usually the speed test program do not account for the overhead of transferring IP packets In the MAX US Rate specify the rate at which cable modems can upload data For example if you wish ...

Страница 32: ...e to connect to the Internet Enabling conditional access Using your browser connect to IRIS configuration interface Select CM Subscription under Advanced options To enable conditional access to the modems select the Subscribe selected cable modems and then select Save This change comes into effect after you restart IRIS Adding Cable Modems After you have enabled conditional access for cable modems...

Страница 33: ...een connected to the cable network will not show up in the unsubscribed modems list If you wish to subscribe such a cable modem before it is connected to the cable network you should use the Quick Subscription option to enter the Mac address of the cable modem in the show format manually and click on the Subscribe button Figure 18 Cable Modem Subscription Saving Cable Modems List After each subscr...

Страница 34: ...s Inc Page 34 of 60 You will need to save the subscribed modems list so that the same is available after a system restart Press the Save button to save or update the subscribed modems list to the flash memory of IRIS ...

Страница 35: ...dem s cable LED is steady which indicates that the cable modem is configured correctly and is up and running If the cable LED is either off or still blinking the cable modem is not up yet use the Connecting from Ethernet interface or Connecting using serial console methods Set your PC s Ethernet interface to be configured using dynamic host control protocol or DHCP As soon as your PC is connected ...

Страница 36: ... you should see the IRIS login prompt Logging In At the login prompt type the username as iris and hit enter At the password prompt type 123456 or the new password if you have already changed the default password After you have successfully logged in you are greeted by the IRIS prompt Figure 20 IRIS CLI prompt help command You can type or help on the IRIS prompt to see the list of CLI commands ava...

Страница 37: ...lcm mac_address Delete CM from subscribed list savecm Save subscribed CM list psub Print subscribed CM list punsub Print unsubscribed CM list Figure 21 List of CLI commands preg or preg verbose command The preg command displays you a list of MAC addresses of cable modems that have communicated to IRIS their SID service identifier and the current registered state IRIS preg Registered CMs MAC PSID U...

Страница 38: ... 0b 00 02 01 0a 00 10 b5 3e 56 a2 00 10 95 1b e1 c5 0x0001 0x01 Yes 00 10 5a d0 1d cd 00 30 eb bc 0c a5 0x0004 0x01 Yes 00 90 83 8c 58 23 0x0003 0x01 Yes 00 e0 ca 00 c1 9c 0x0005 0x01 Yes Total 5 Yes 5 No 0 Unsubscribed CMs Total 0 Figure 24 List of CPEs connected to the CMs config_cm command The config_cm is used to compile and create cable modem configuration file that the cable modems download ...

Страница 39: ...ou to the QNX system prompt from the IRIS CLI To return back to the IRIS CLI type exit at the system prompt quit command The quit command exits the IRIS CLI On a telnet connection it would close your telnet session On the serial console it will log out and display the login prompt gain command Repeats the last command that you had typed tty command Displays the name of the terminal you are current...

Страница 40: ... use Upcon FLI frequency Loads upconverter with the desired frequency without affecting the output See the Upcon FL command for example Upcon AI IF attenuator setting Load the desired value for the IF Attenuator User should use the IAE and let the upconverter chose the desired attenuation automatically Upcon IAS high limit low limit Set the IF IF ALC high and low limit Upcon IAD Disable IF ALC Upc...

Страница 41: ...e default setting Upcon RLS RF Power limit Sets the RF power limit Upcon RPS RF Power level Sets the RF Power Upcon RTD Disable the RF Threshold Upcon RTE Enable the RF Threshold Upcon RTS high limit low limit Sets the desired value for the RF Threshold Upcon SC Displays the current operating parameters for the upconverter Upcon SP Displaces the IF and RF power coming to and from the upconverter m...

Страница 42: ...Coaxial Networks Inc Page 42 of 60 This page intentionally left blank ...

Страница 43: ...on applies if you are operating IRIS in bridge mode Edit the iris txt file from the system prompt and then under the BEGIN_NetProtocolType section add the following lines which specify the PPPoE Ethernet packet type BEGIN_NetProtocolType TypeField1 0x81 TypeField2 0 TypeLength 1 END_NetProtocolType Make sure you do not remove the default forwading for IP Ethernet packet types BEGIN_NetProtocolType...

Страница 44: ... prompt edit the netstart user file and add the following line usr ucb ifconfig en2 alias ip address netmask netmask Make sure you put the ip address and netmask that you have from your service provider This command will configure IRIS en2 or uplink interface with an additional IP address that will be used to create a BIMAP Save the file and exit to system prompt Creating a BIMAP between the publi...

Страница 45: ...0 E 18 144 0 150 0 147 00 F 19 150 0 156 0 153 00 G 20 156 0 162 0 159 00 H 21 162 0 168 0 165 00 I 22 168 0 174 0 171 00 7 7 174 0 180 0 177 00 8 8 180 0 186 0 183 00 9 9 186 0 192 0 189 00 10 10 192 0 198 0 195 00 11 11 198 0 204 0 201 00 12 12 204 0 210 0 207 00 13 13 210 0 216 0 213 00 J 23 216 0 222 0 219 00 K 24 222 0 228 0 225 00 L 25 228 0 234 0 231 00 M 26 234 0 240 0 237 00 N 27 240 0 24...

Страница 46: ...O 51 384 0 390 0 387 00 PP 52 390 0 396 0 393 00 QQ 53 396 0 402 0 399 00 RR 54 402 0 408 0 405 00 SS 55 408 0 414 0 411 00 TT 56 414 0 420 0 417 00 UU 57 420 0 426 0 423 00 VV 58 426 0 432 0 429 00 WW 59 432 0 438 0 435 00 XX 60 438 0 444 0 441 00 YY 61 444 0 450 0 447 00 ZZ 62 450 0 456 0 453 00 AAA 63 456 0 462 0 459 00 BBB 64 462 0 468 0 465 00 CCC 65 468 0 474 0 471 00 DDD 66 474 0 480 0 477 ...

Страница 47: ... 0 636 0 633 00 93 93 636 0 642 0 639 00 94 94 642 0 648 0 645 00 100 100 648 0 654 0 651 00 101 101 654 0 660 0 657 00 102 102 660 0 666 0 663 00 103 103 666 0 672 0 669 00 104 104 672 0 678 0 675 00 105 105 678 0 684 0 681 00 106 106 684 0 690 0 687 00 107 107 690 0 696 0 693 00 108 108 696 0 702 0 699 00 109 109 702 0 708 0 705 00 110 110 708 0 714 0 711 00 111 111 714 0 720 0 717 00 112 112 72...

Страница 48: ...2 0 789 00 124 124 792 0 798 0 795 00 125 125 798 0 804 0 801 00 126 126 804 0 810 0 807 00 127 127 810 0 816 0 813 00 128 128 816 0 822 0 819 00 129 129 822 0 828 0 825 00 130 130 828 0 834 0 831 00 131 131 834 0 840 0 837 00 132 132 840 0 846 0 843 00 133 133 846 0 852 0 847 00 ...

Страница 49: ...equency 6 171 MHz 4 4 RVI 178 MHz ID 7 179 MHz 1 179 5 MHz 5 5 RVII 186 MHz IE 8 187 MHz 2 187 75 MHz 6 6 RVIII 194 MHz IF 9 195 MHz 3 195 75 MHz 7 7 RIX 202 MHz IG 10 203 MHz 4 203 75 MHz 8 8 RX 210 MHz IH 11 211 MHz 5 211 75 MHz 9 9 RXI 218 MHz U 12 219 MHz 6 219 75 MHz 10 RXII 226 MHz 13 227 MHz 11 234 MHz 13 250 MHz Table 1Channel Center Frequencies for Selected PAL Systems ...

Страница 50: ... S 23 322 MHz S 24 330 MHz S 25 338 MHz S 26 346 MHz S 27 3564 MHz S 28 362 MHz S 29 370 MHz S 30 378 MHz S 31 386 MHz S 32 394 MHz S 33 402 MHz S 34 410 MHz S 35 418 MHz S 36 426 MHz S 37 434 MHz S 38 442 MHz S 39 450 MHz S 40 458 MHz S 41 466 MHz Table 2 Channel Center Frequencies for System G Hyperband ...

Страница 51: ...annel 28 634 MHz Channel 42 Channel 29 642 MHz Channel 43 Channel 30 650 MHz Channel 44 Channel 31 658 MHz Channel 45 Channel 32 666 MHz Channel 46 Channel 33 674 MHz Channel 47 Channel 34 682 MHz Channel 48 Channel 35 690 MHz Channel 49 Channel 36 698 MHz Channel 50 Channel 37 706 MHz Channel 51 Channel 38 714 MHz Channel 52 Channel 39 722 MHz Channel 53 Channel 40 730 MHz Channel 54 Channel 41 7...

Страница 52: ...Coaxial Networks Inc Page 52 of 60 Channel 57 866 MHz Channel 58 874 MHz Channel 59 882 MHz Channel 60 890 MHz Channel 61 898 MHz Channel 62 906 MHz Table 3 Channel Center Frequencies for System G and D ...

Страница 53: ...em complies with the following standards and agency requirements Compliance Marking CE FCC Safety EN60950 EMC Emissions EN55022A CISPR 1993 EMC Immunity EN55024 1998 Standard EN61000 4 2 EN61000 4 3 EN61000 4 4 EN61000 4 5 EN61000 4 6 EN61000 4 8 EN61000 4 11 1994 EN61000 3 2 EN61000 3 3 ...

Страница 54: ...tream modulation 64QAM and 256 QAM Downstream per channel bit rate 30 Mbps 64QAM and 40 Mbps 256 QAM Downstream Frequency Range 88MHz 850MHz Downstream Channel Spacing 6MHz 8MHz 1 Upstream channel Upstream Modulation QPSK and 16 QAM Upstream per channel bit rate 0 320 10 24 Mbps Upstream Frequency Range 5MHz 42MHz 5MHz 65MHz Euro Network Management Provisioning SNMP v1 and V3 IETF MIBS Coaxial MIB...

Страница 55: ...nds from rcfile Insert Overtype Mode Insert Overtype Mode is solely for entering text To leave one of these two modes press the ESC key if you wish to enter the ESC character or any other control character while in insert mode type CONTROL V and then the control sequence The only difference between Insert Mode and Overtype Mode is that characters are placed in front of the text after the cursor in...

Страница 56: ...racter change case of character Objects if given with out an operator are interpreted as a cursor motion command w forward until beginning of word e forward until end of word b backward until beginning of word forward until end of line backward until first non whitespace character 0 backward until first column of line nG line number n n column n of current line pat forward until beginning of pat s...

Страница 57: ... one character l right one character BS left one character backspace usually equals H SPACE right one character _ the entire current line until first non whitespace character on previous line until first non whitespace character on next line RETURN until first non whitespace character on next line Miscellaneous 1 u undo last change U undo entire line cp put c or general buffer after the cursor cP ...

Страница 58: ...s part of the general form If address is omitted current line is used Keep in mind that the ex is a line based editor so all actions are line based Addresses all lines in file x y lines x to y current line n line number n last line of file x n n lines before line x x n n lines after line x pat forward to line containing pat pat backward to line containing pat Some commands are s pat text substitut...

Страница 59: ...the exrc file in the current directory errorbells editor sends a beep to the terminal when an incorrect ignorecase ic ignore case of characters in searches list place a at the end of each line and a I on each tab magic allow and to be interpreted as special characters in RE s number nu number lines in left margin showmatch sm when closing a paren brace or bracket move the visual cursor to opening ...

Страница 60: ...yfc yank until next occurrence of c on current line into the general buffer 3dl d3l delete next 3 characters 4c 2c2 c4 change next 4 sentences While on a brace paren or bracket shift right until closing brace etc sort 1 sort sort current file 5 10s foo bar 2 change the second occurrence of foo with bar on lines 5 10 3J Join next 2 lines to current one 3 9m move lines 3 through 9 to the end of the ...

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