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Basic Broadband Guide

  1. #1
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    Cool Basic Broadband Guide

    Broadband basics ...
    Last edited by just4kix; 8th September 2008 at 03:32 PM.
    SmoothVibes likes this.
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    hey this one is really informative..thx

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    got this one too now... and bro if you have any information about Netgear DS834G Version 4 router then please provide me as m making a manual on that router...

    thanks a lot

    cheers
    aadi

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    Default broadband guide

    Quote Originally Posted by just4kix View Post
    Broadband basics ...
    Dear just4kix .
    your guide is quite informative.
    thanks!!

    perry261
    17.07.2008
    perry261

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    Default the guide

    wonderfully useful...to learn from ABC

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    i m not able to configure my modem so mayb it'll help.
    thanks

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    Excellent guide explaining the concepts in a simple way. Good work

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    Great Info!!!!:28:

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    Thanks for this information!!

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    A Really good and informative guide, thanks J4K!

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    Thanks all.
    *** Never argue with an idiot. ***

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    Quote Originally Posted by just4kix View Post
    Thanks all.
    how do i know in which mode i am ? PPPoE or Bridge ?


    FYI ; - i dial a conn when i need to surf... while dialing it asks for uid and pwd. then when i connect it shows some PPPoE like thing and then connects.

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    Quote Originally Posted by talktoanil View Post
    how do i know in which mode i am ? PPPoE or Bridge ?


    FYI ; - i dial a conn when i need to surf... while dialing it asks for uid and pwd. then when i connect it shows some PPPoE like thing and then connects.
    You are in bridge mode. In bridge mode, you have to dial and login every time manually by entering username and password.

    In PPPoE mode, the user credentials are stored inside the modem and modem dials and establishes connection automatically as soon as it is powered on.
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    thanks

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    Thanks

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    Thumbs down preveen

    thanks:gunsmilie::scooter::2guns:

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    y does a wireless modem need to be configured in bridge mode? is it so that others cant connect?

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    Quote Originally Posted by harsham05 View Post
    y does a wireless modem need to be configured in bridge mode? is it so that others cant connect?
    That is true. For true multi-connectivity, the modem must be in PPPoE (automatic connection) mode. But there are many cases where you may have two routers in the network - wired + wireless is quite common. In this case, only one can be in PPPoE mode. Hence the other router must be in bridge mode.
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    Thank you

    //Moderator note: You have not activated your account. Please click on the link in the mail you received from the forum admin in your mailbox. Failure to do so will cause all your posts go into moderation. - just4kix

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    Default thanks buddy

    thanks buddy

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    Default Thanx

    really helpful
    THANX

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    Thankx sir..
    Everything was useful..
    I should have made a search b4 making my first post...

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    thanksss usefull to know basic

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    Quote Originally Posted by just4kix View Post
    Broadband basics ...
    Very much useful.Thank u so much

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    Thanks much for the guide. Such basics are indeed hard to find

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    Hi
    I am unable to donwload the zip file..can you please email me the same on gautam.gajare@wipro.com

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    Quote Originally Posted by gat78 View Post
    Hi
    I am unable to donwload the zip file..can you please email me the same on gautam.gajare@wipro.com
    You can try by turning off any download manager. Understand that it is difficult for me to cater to individual requests.
    *** Never argue with an idiot. ***

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    Very good post keep it up

  29. #29
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    good post .
    I Know KUNG-FU
    and 50 other dangerous word

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    i am not able to download this file...please help...it says some activations required and i dont have enough privileges

  31. #31
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    You must have tried it before activiting your account from the email received from Administrator.

    Please try again.
    *** Never argue with an idiot. ***

    All my useful articles and Guides | My DVDs | My Blu-Rays | My Blogs
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    Smile Thanks

    Quote Originally Posted by just4kix View Post
    Broadband basics ...
    Thanks for providing such a nice information

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    Default want to read the file

    the file extention is not there. On which software will the file be viewed or read plz tell me....

  34. #34
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    Default Basic Broadband Guide By @Just4kix

    @Inovate
    Presume you mean the zip file.
    Download from this forum with Download
    managers sometimes fail.
    You have to download it direct.
    2.

    If you had succceeded in downloading the file,
    as the file is "ZIPPED" you have to open it with applications like WinRar or Winzip or built in zip extractor of OS.
    Para two:
    Explain your present problem, to check whether it can be solved. Post in the CORRECT forum . say for BSNL ISP in Bsnl forum etc.
    India Broadband Forum

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    Default thankx but prob is something else

    i have extracted the file. But the file inside the compressed folder does not has any extention. I am not able to open it in pdf reader or MS Office nither in notepad...
    so problem is where to open it to read the file

  36. #36
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    Open in Chrome browser or IE8 or Firefox.
    it is a HTML file.

    or try this PDFdownload.
    http://www.ziddu.com/download/851478...inPDF.PDF.html

    .@Just4Kix
    Hope, I will get your permission. Not a satisfactory
    conversion. ( used an application Html to PDF)
    Last edited by essbebe; 9th February 2010 at 04:38 PM.

  37. #37
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    No problem, essbebe.

    Thanks for helping out.

    I was thinking of converting all guides to PDF. But now that I am not the moderator and attachments are also banned, I am stuck.
    *** Never argue with an idiot. ***

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    The file doesnt extract. Its corrupted.

  39. #39
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    @antony
    Just now tried the link given in my Post No 36,and PDF file downloaded nicely. 3.86MB
    Free File Hosting & Video Downloads, Free File Sharing, Online Friends Network - Ziddu
    you have to unblock popup blocker if used.

    The guide , is worth, taking trouble to download.


    Earlier I think some complaints about downloading from IBF with Download managers were made. FDM etc not recommended. download direct.
    I too made a complaint to @just4Kix long back ( two years back ?)
    Reason I had converted with author's permission. this guide , to PDF ( limit in IBF 256 KB)

    Para two: Another basic guide for modem settings by @imrock
    http://www.indiabroadband.net/broadb...tml#post280049
    Last edited by essbebe; 20th May 2010 at 07:22 AM.

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    hi essbebe,

    Thought of asking here instead of starting a new thread..i don’t have much knowledge in this field…
    Recently i crashed my UT 300R2U modem and i need to purchase a new one but don’t have any idea which model to purchase - i have 02 pc & 02 bb connection ( BSNL & Symbios),
    1. Is it possible to connect both the connection from one dsl modem wireless to my pc,
    2. Connect the other pc without any wires for both the connection.

    Actually i want that both the bb conn. to be connected to my pc by one wire and the 2nd pc gets connected with any one conn. without making any change....

    Think i could make u understand.....
    thanks.

  41. #41
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    Show the "crashed" ut300r2u modem to BSNL J.T.O and
    take on rental basis Rs80/= P.M a three-in-one
    ADSL modem+4LAN port + wIFI. ( Probably you will get a Teracom model. Cost Rs 1800/= + taxes )
    See links below for other modem/router details.
    2.
    You can make settings for BSNL and try.
    3.
    "Symbios": Is it cable type " BB connection ? any modem required ?
    Then you need an .additional wifi router.
    4.
    To work in WIFI mode without any wire connection,
    either Desktop or laptop PC's should have wireless lan cards.
    give details.
    6.
    Whether from computer shop/s in your location you can get
    adsl/ cable modems / wifi routers like NETGEAR/D'Link/ Linksys etc.
    7.
    feedback item wise.

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    Default Basic Broadband Guide

    Unable to open this.

  43. #43
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    Free File Hosting & Video Downloads, Free File Sharing, Online Friends Network - Ziddu

    downloaded . no problem. Home 750plan upto 52Kbps/ speed U/L


    or Download direct.ZIP file.
    http://www.indiabroadband.net/attach...band-guide.zip

    Para two:
    Download guides for reference.
    Specify EXACT problem in proper forum BSNL/AIRTEL etc
    Mention modem/model/make/number.

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    Just4Kix.. The guide is amazing. Thanks!

  45. #45
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    Default Basic Broadband Primer: in forum text format

    This is the text of the zip file attachment in post 1 ...

    The Basic Guide to Broadband and Home Networking


    Broadband
    A broadband is a type of internet connection at speeds of 256 kbps (kilo bits per second) or above. A Broadband service can be provided through cables (telephone cables or cable TV) or wireless stations (wi-max). The company that provides you an internet connection is called Internet Service Provider (ISP). The various ISPs in India are:
    • Through Telephone: BSNL, MTNL, Airtel, Reliance, Tata-Indicom, etc.
    • Through Cable: Reliance, Sify, Hathway, etc.
    • Through Wireless: Tata-Indicom, Reliance, BSNL, etc.

    In the days gone past, we had access to internet through a method called as dial-up. We will not go into details of this type of connection but just mention that the speed achieved was up to 56 kbps. The greatest disadvantage was that the phone line was busy during the internet connection.

    Today, it is possible to have internet connection at 256 kbps and above and moreover it is possible to talk and surf at the same time. In case of wired services from telephone lines, the same telephone (copper) cable is capable of carrying voice and data information across. This type of transmission is also called as Asynchronous Digital Subscriber Line (ADSL) transmission.

    The Various CPE Devices
    To have a broadband connection you will need, at the minimum:

    a) A splitter
    b) An ADSL modem/router
    c) A computer
    d) A connection from your ISP

    In the above (a) and (b) are called CPE devices. CPE stands for Customer Premises Equipment.

    For creating a home network where you can connect multiple machines at the same time, you will also need a network switch. For a wireless network, you will need a wireless router. Some devices combine the various devices into one device. BSNL provides the following modem/routers for example:

    Type I: Contains 1 USB and 1 Ethernet port. We can have two wired networked devices with this router.
    Type II: Contains 1 Ethernet port and Wireless. We can connect one wired networked device and a few (up to 32) wireless devices to this router.
    Type III: Contains 4 Ethernet ports. We can connect four wired networked devices to this router.
    Type IV: Contains 4 Ethernet Ports with Wireless functionality. We can connect four wired networked devices and a few (up to 32) wireless devices to this router.

    The typical connection is shown below:

    The Splitter and its importance
    On the telephone cable, the voice and data information is sent by separate frequencies. This is how it is possible to use the same cable. In this ADSL methodology, you can continue to surf the internet and at the same time make or receive a call. But if you do make or receive a call while internet is on, you will get a loud hiss on the telephone.

    This is where the splitter comes into picture. The main job of the splitter is to separate voice and data networks. A splitter is a filter that separates the low frequency voice transmission from the high frequency data transmission. It should be first device that is connected to the telephone jack. The splitter has one input (from the telephone main jack) and two outputs – one for telephone handset and other for the ADSL modem.

    Modem and Router
    The modem is a device that connects to the ISP’s server and establishes a data connection. Just as we dial a telephone number to establish a voice connection, the modem accepts a username and password from the dialing device or application to connect to a remote computer to establish a data connection.

    The router’s main functions are as follows:
    • It is the controller of the private network, i.e., your home network.
    • It provides unique private network IP addresses to all the devices connected in the private network, e.g., 192.168.1.2, 192.168.1.3, and so on. This is known as the Dynamic Host Configuration Protocol (DHCP) service.
    • It provides Network Address Translation (NAT), viz., it will translate the private IP address such as 192.168.1.2 into a real world IP address when the computer wants to ‘talk’ to the other computers on the internet.
    • It may have optional firewall service that will protect your network from foreign attacks.
    • Finally it can dial into the modem to establish a TCP/IP connection. This dialing is required in case of a PPPoE (Point to Point Protocol over Ethernet) or PPPoA (Point to Point Protocol over ATM) connections. In India, we use PPPoE whereas PPPoA is used in Europe and Australia.

    For ADSL Broadband, the modem and router are built into one device.

    Bridge vs. PPPoE
    A bridge is - well just like a bridge in real life - a connection between two points separated by a crevice. When you configure your router as a bridge, the connection is established from within your dialer application from Windows (or Mac). The dialer application contacts the bridge, passes on the user-id and password (in case of PPPoE) and then requests a connection to the internet. The bridge passes on the information to the ISP (BSNL in this case) and then tries to establish a connection. Once the connection is established, you are on the internet. The thing to remember is that the bridge connection does not store details about your user-id/password, etc.

    On the other hand when the router is configured as a PPPoE connection, the connection is established by the router itself. As soon as the router is switched on, it contacts the ISP and establishes a connection immediately. As long as the router has power, the internet connection is always on; which is not the case with a standalone bridge.

    The router can be used as a bridge or PPPoE connector so long as you have wired connections. But when you wish to add a wireless router, then one of the routers must be configured as a bridge. In case of wireless router, it is better to have the BSNL router as a bridge.

    Bridge and Manual Connections
    A bridge is a simple network connection and connects two different networks. The bridge typically connects private (home) network to the internet. In a bridge type of network, the connection has to be established manually by logging in to the ISP. This is done by a dialer application that is created on the PC. The dialer application can be found in ‘Network Connections’ and a shortcut may be present on your desktop as shown:


    To establish connection, you must double click the above icon and you will get a window as follows:


    Click on ‘Connect’ button and you will see a window like this:


    The dialer will connect to our ADSL modem and our modem will contact the BRAS via the DSLAM and pass the user details (username/password and calling phone number). These are used to verify user credentials. Once verified the connection is established.

    PPPoE and Automatic Connections
    As we have seen above, in case of Bridge connection, we must connect manually whenever we desire an internet connection. The internet connection in the manual connection is done by a mode called Point to Point Protocol over Ethernet (PPPoE). Can this manual connection be automated so that as soon as we hook up the PC to the modem/router we are immediately connected to the internet?

    Indeed there is. The ADSL modem can do this task. In this case we must configure the modem in PPPoE mode. In this type of connection, the internet is always on as long as the ADSL modem is on.

    Internet Connection
    The following diagram explains the internet connection.


    This is how we connect to the internet:
    1. We have a dialer application that dials using the modem in the network. This dialer can be configured insider the router (as in case of PPPoE or PPPoA) or can be setup on our desktop/laptop.
    2. The modem tries to connect to a Broadband Remote Access Server (BRAS) and when the connection is established, it tries to login using the username and password provided by the dialer application. If the username and password are correct then a link is established between the modem and BRAS.
    3. The BRAS has connection to the worldwide internet. The BRAS provides a real IP address dynamically to our router. This dynamic real IP address changes for every session; in case of plans where static IP address is promised, the same real world static IP address is assigned.
    4. Once the connection is established, the router in our network which has already assigned us a private IP address, allows us to surf by provide the NAT service.


    What is NAT?
    NAT stands for Network Address Translation. When you connect to the internet, your router is the gateway to the internet. The DHCP server of the ISP assigns an IP address to your router. You also assign your own IP address to the router when you set it up (typically 192.168.1.1). The NAT is a service inside the home router that translates the private IP address to a public IP address.


    As traffic passes from the local network to the Internet, the source address in each packet is translated on the fly from the private addresses to the public address(es). The router tracks basic data about each active connection (particularly the destination address and port). When a reply returns to the router, it uses the connection tracking data it stored during the outbound phase to determine where on the internal network to forward the reply. To a system on the Internet, the router itself appears to be the source/destination for this traffic.

    Wireless Network
    With the advent of wireless devices, more and more networks are getting wireless. The advantage of a wireless network is exactly in the name – there are no messy wires to run and one can sit at a cozy place in one’s home while the wireless network is available almost everywhere inside the home. Also, if you have other wireless devices such as wi-fi cell phone, PDA, etc., a wireless network is almost a must-have.

    If you wish to have a wireless network you will one of the following:

    a) A splitter
    b) A combined ADSL modem + wireless router
    c) A computer
    d) A connection from your ISP

    OR

    a) A splitter
    b) An ADSL modem/router
    c) A wireless router
    d) A computer
    e) A connection from your ISP

    If you are planning to have a wireless network at home or office, it is best to go with the first option, viz., a ADSL wireless modem/router. This way only one device will provide all the functionality. But some of the following factors come into play:
    • A wireless network is not planned.
    • Sometimes ISP like BSNL do not have enough stock of wireless modem/routers and hence connection could be delayed
    • Many people purchase (better quality) wireless routers from the market

    Hence we end up having two devices in the circuit – a normal ADSL modem/router and a wireless router.

    Common Issues and Solutions
    More than two computers cannot connect
    The typical scenario is like this:
    You applied for BB connection
    You get your connection and a technician came and installed everything for you (sometimes an installation CD does the job for you).
    The technician tells you how to connect to the internet.
    The technician also shows you that the internet is working – you surf a few sites to verify.
    All is fine because there is only computer; problem comes up when you buy another computer, say a laptop.
    You find that you can connect only one machine at a time.

    This is the most common problem that I have seen over the forum. The problem crops up because we fail to understand Bridge vs. PPPoE and manual connections vs. automated connections.

    The problem comes up because your modem/router is configured in bridged mode and you connect manually to the internet. In this type of connection, the bridge serves exclusively for the first connector (machine). For the second machine, it is a blocked road. The road is blocked because the second machine also needs to connect manually to internet and finds that the connection cannot be established – the error is ‘phone busy’. This is expected.

    If you have parallel connections on the same phone line, it is not possible to use the second parallel phone while there is a call going on the other phone. In the same way, it is not possible to have a second connection to be established in the same data circuit. But just as it is possible to listen and talk to the same party over a phone connection, it is possible to share the data connection.

    If the internet connection on the first machine is shared, the second and subsequent machines can connect to the internet through the first computer. But this is not a recommended method. One must always switch on the first computer (the gateway) to achieve this.

    The second option is to configure the modem/router must in PPPoE mode where internet connection is established automatically. This is how the connection must be setup:


    Our job is to configure one of the devices as router and the other a bridge. I have submitted a guide here that describe how to setup a home wireless network: Solution for multiple machines connecting to same BB connection.

    Multiple (parallel) telephone connections and noise
    Many people complain of hissing noise over a telephone line when connected to internet. This is because there is no splitter that is separating the internet (data) connection from the telephone (voice) connection. Please refer to the splitter in the earlier part of this guide.

    It is recommended that you should have the following network (especially for multiple phones/extensions) at your home:


    Legend:
    (1), (3), (7): Phone
    (2), (4), (6), (9), (10), (11), (13), (15): RJ-11 Telephone Line
    (5), (12): Connection box
    (8): Micro-filter
    (14): Splitter
    (16): Phone jack
    (17): ADSL Modem
    Attached Images Attached Images
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