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| FREQUENTLY
ASKED QUESTIONS 2/2
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DO I NEED TO
USE MY DIAL-UP CONNECTION TO RECEIVE THE SERVICE? |
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Yes, because this is
a one-way receive only satellite service, which means
that you still need to have a terrestrial connection in
order to upload (transmit) your requests. |
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DO I NEED TO
HAVE A HIGH-SPEED UPLINK CONNECTION IN ORDER TO FULLY
UTILIZE MY SATELLITE RECEIVE LINK? |
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No, actually using this
service will allow you to reduce your upload connection
down to a 33/56k dial-up modem because the upload connection
will be used only to transmit requests, which are small
amounts of data. Have in mind though, that the quality
of service depends on how good your terrestrial channel
is (huge RTT/ping reply is one of the factors for insufficient
speed through the dish), your dish and its alignment,
and about DVB card/ DVB receiver configuration. Before
purchasing a high-speed service, please contact Infomax
Pakistan Pvt. Ltd. technical support service for advice.
For instance: For a 8.41 Mb download 0.58 Mb upload is
needed. For a 8.41 Mb traffic 1.5Mb upload is needed.
The upload varies between 5.8 and 20% of the download.
There for in order to get a monthly 2 Gb download an 118-409
Mb is needed. Please use this information in order to
negociate your internet connection with your ISP. |
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DO I NEED TO
HAVE A STATIC IP ADDRESS TO RECEIVE THIS SERVICE? |
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Yes, we are providing the IP based services.
So we will give you a Static IP address for Simplex
service.
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IF I SUBSCRIBE
TO THIS SERVICE WILL I HAVE ONLINE SUPPORT? |
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Absolutely! The Infomax team
will always be available to help with any problems that
may arise, though we hope you will rarely need us, if
ever!
Infomax also has excellent documentation on their website.
Following it you will avoid any problems whilst setting
up and using our services.
The Technical Support team can be contacted on support@infomaxdata.com.
Or helpdesk@infomaxdata.com
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I CAN'T COMPILE THE DRIVERS
FOR SKYSTAR-1, PENT@NET, PENT@VALUE AND ETC DVB CARDS
ON LINUX. THE ERROR MESSAGE SAYS SOMETHING ABOUT VERSION.H
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WHICH MAC ADDRESS OPTION
DO I HAVE TO CHOOSE: BUILD IP FROM MAC, USE ISP IP OR
USE REAL MAC? |
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To compile the DVB drivers
on Mandrake 8.1/8.2 you must delete the directory /usr/local/include
(that is either empty or contains modified *.h header
files) and then make a symbolic link to /usr/src/linux/include.
If you still have problems with DVB driver compilation,
please send an e-mail to support@infomaxdata.com and include
the following information about your system:
Linux distribution and version (Slackware, RedHat, Mandrake,
Suse, Debian, etc.)
Kernel version (you may get it with the "uname -r"
command).
Type of the DVB card (you may paste the output of the
"lspc" command.
The URL where you got the drivers from and/or the driver
pack filename.
What error you received whilst trying to compile the
drivers.
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I BOUGHT A DVB CARD THAT
SEEMS TO REFUSE TO RUN ON LINUX! IS THERE A WAY TO USE
YOUR SERVICES WITH IT. |
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Sure! The Infomax technical
team will help you regarding the installation and configuration
of DVB-IP card. |
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I HAVE PROBLEMS WITH LOCKING
MY DVB CARD! |
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Check if your DVB card is properly
connected with the cable to the dish.
Make sure that your dish is pointed to the right satellite
and transponder.
Check your card settings - Symbol Rate, Frequency, FEC
and etc. Make sure that the PID set in your DVB control
software is THE SAME like that, given by Infomax.
Have in mind that the PID is written in 2 formats: DEC
and HEX. So in example, 512 DEC is 200 HEX and 513 DEC
is 201 HEX. Infomax can provide you the PID in both
formats.
Make sure that you do NOT use Virtual MAC / MAC calculation
from IP address.
Make sure that you use the latest vendor drivers pack
for your card / OS.
SkyMedia-300 has a "bug" either in the driver
pack, or in the ROM. Please, contact the appropriate
vendor for further assistance. This card is known to
not work (or causing big problems) with satellite Internet.
If everything else fails - reboot your computer and
try again.
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YOUR SYSTEM STATISTICS SAY
THAT I HAVE USED XXX GB OF TRAFFIC, BUT IN MATTER OF FACT
I HAVEN'T. I THINK YOUR MEASUREMENT SYSTEM FOR THE BANDWIDTH
IS WRONG! |
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Our system is correct
and keeps wide range of very detailed statistics for every
account and its usage. If the customer does not agree
with our usage reports, they should complain this officially
to Infomax and our staff will send them a detailed (per
minute) report for their usage.
Here at Infomax, we keep a backup of all
the statistics for an unlimited period. We also recommended
that you collect visual bandwidth usage reports at your
end (with tools such as MRTG t) with maximum 5 minute
interval between the updates. It will help you when
solving any eventual misunderstandings with Infomax.
It may be possible (though we did not
have any problems thus far) for every system to make
erroneous calculations due to power outage etc. Therefore,
our staff will check out every such complaint in detail
and if they are within reason, the error will be rectified
immediately.
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NOT WORKING! WHAT DO I DO? |
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Contact your reseller
or our technical support staff to see if your account
is still active (not inactive due to reaching the expiry
date). Please be sure to provide us with all the necessary
information - as a minimum we need the Customer name,
Satellite name, PID. Send us a brief description of the
problem ? what does work and what does not; did it work
before; when it stopped to work etc.
If the account seems to be active, then
maybe the settings are incorrect. Send us the MAC address
of the DVB card and IP address with net mask. We will
check them against the data in our database.
Check the signal level. For it to work reliably, it
should be not less than 40% in good weather (6-7db for
Pent@Net). Check also if the card is "locked"
(Lock OK). You have to put in the settings (if the card
supports this) FEC - Y. Also check in the settings for
the PID value (!), maybe the program has not saved the
settings (for example - lack of permissions).
The network interface of the DVB
card has to be in an active state. In Linux its status
should be UP (check this with ifconfig) and with an
IP address assigned (a fake one, such as 125.0.0.1 or
127.0.0.2).
If you are using Linux, check that rp_filter value on
your interfaces is set to 0 (disabled). The setting
is located in your /proc directory, or in /etc/sysctl.conf
(for Redhat Linux).
Check your connection to the Infomax router with "ping"
and "traceroute". If you can not get a reply,
then your internet connection does not conform the requirements
to work with a DVB internet connection.
If ping doesn't work, then do a traceroute to this address
and see where it stops. The traceroute output will be
very helpful to Infomax support staff.
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CAN YOU GIVE ME MORE INFORMATION
ABOUT THE PROBLEMS WITH SKYSTAR-1, SKYSTAR-2 AND HAUPPAGE
CARDS ? EVERYTHING WORKED FINE UP TO NOW WITH THEM! |
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The problem with Skystar-1,
Skystar-2 and Hauppage cards is that they cannot receive
and maintain high traffic flow.
You need to understand that DVB cards
work in the following way: they receive all the traffic
from the transponder they are locked on to. After that,
based on your PID and MAC address the card filters the
traffic that is destined to you. So, even if you are
subscribed for 64Kbit speed, your DVB card will be hit
by all the traffic flow from the transponder.
The abovementioned cards have problems
with receiving and filtering traffic flow more than
40Mbit/s. This is a known problem.
The reason for this problem is that these
cards use a cheap IC that cannot handle the throughput.
Many problems can occur. Some of them include: packet
loss / slow speed, no lock at all and etc.
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YOUR SERVICE HAS PACKET
LOSS! FIX IT PLEASE! |
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Before making claims
such as this, please ensure that you have eliminated all
potential problems from your own system. You can check
the status of our system using the following tools:
- Using our Looking Glass to ensure
that we have a good and errorless connectivity to
Internet. The URL is http://www.traceroute.org.
Please traceroute your DVB Receiver IP and provide
us a result.
- Do a ping to Internet by using your
TERRESTRIAL IP, but not your InfomaxIP. Thus you will
be sure that your uplink channel does not cause the
packet loss.
- Ensure that your satellite channel
is not overloaded !
- Check the Viterbi, Solomon Reed
Corrected Errors and Solomon Reed Uncorrected Erorrs
on your DVB card / router.
- Check the satellite footprint
among with your location and compare the recommended
dish size with your actual dish size.
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I RECEIVED AN IP (OR IP
BLOCK) FROM INFOMAX AND TRIED TO USE IT, BUT NOTHING WORKS!
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- Make sure that the Netmask is setup properly. If
you are unsure, check with the technical support service.
- Do a traceroute to www.google.com and see where
it stops. If the traceroute stops in the beginning
(the initial hops), then your ISP (or its parent ISP)
does IP routing policy & Ingress filtering (also
called as "IP spoofing protection"). Otherwise
said, the parent ISP will not route out any IP which
does not belong to its IP network.
You may send the traceroute output to Infomax support
service for consultation.
- If you are dial-up customer, then the only way to
use an IP of Infomax is to agree with your ISP to
allow you to use it every time you connect to their
modem pool
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I USED YOUR DRIVER PACK
FOR SKYMEDIA DVB CARDS UNDER LINUX 2.4.X KERNELS. NOW
I CAN'T SEE THE MAC ADDRESS OF THE CARD WHEN I DO 'IFCONFIG'
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Nothing is wrong. We know about
this situation. The card will still work, but you need
to know its MAC address. It should be marked on a sticker
on the card itself, if not, put it into another PC, install
the drivers and see the MAC address. |
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IF I USE PPTP VPN, HOW IT
CAN WORK? |
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You need a dial up Internet
connection from any ISP for uplink, The uplink connection
will use VPN connectivity with the SkyStreams server in
USA. VPN connection is just like a dialup connection,
which will connect you the PPTP server. VPN connectivity
enables you to download data directly from satellite with
out hindrance of ISP networks. It is used in order to
send your request to the Internet, next the Internet answers
through the Satellite dish by the download traffic (reception). |
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WHAT IS THE DIFFERENCE BETWEEN
CIR AND BIR |
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Difference between GCB (100%
Guaranteed Committed Bandwidth) and BIR:
In DVB services CIR is committed speed but BIR is exactly
Shared bandwidth |
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