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[linux-dvb] Re: DVB-s Satellite Internet help needed.



The ISP provider does not use proxy or VPN and is just
based on source IP address. You can connect to the
Internet for uploading via any ISP and then download
via the Satellite ISP.

How do I set the FEC to 2/3 ?
How do I set LNB LO (Local Oscillator) Frequency low,
switch and high to 11300000 ?

I am using RedHat 8.0 with 2.4.18 kernel and a
Hauppage DVB-s rev 2.1

 --- Wolfgang Wershofen <wolfgang@wershofen.com>
wrote: > Samstag, 26. Oktober 2002 at 19:02 amen ra
wrote:
> 
> > Can people please comment on my attempts so far
> and
> > help me fill in the blanks and any errors
> > This what I have so far on HOW TO get a DVB-s card
> > working under Linux 8.0
> 
> Which Linux 8.0? What kernel-version? My comments
> below refer to a
> SuSE-7.3 Kernel 2.4.16-4GB.
> 
> > Install drivers - not sure of the best version to
> use
> > cd /usr/src
> > tar -zxvf siemens_dvb-0.9.4-2002-06-23.tgz
> > mv siemens_dvb-0.9.4-2002-06-23 DVB
> 
> Ok.
> 
> > ln -s linux-2.4 linux
> > cd /usr/src/linux
> > After copying the correct config file for the
> kernel
> > make oldconfig  #(is this needed ?)
> > make mrproper  #(is this needed ?)
> > cp configs/kernel-2.4.18-athlon.config .config
> > make dep
> > make bzImage  #(is this needed ?)
> > make modules  #(is this needed ?)
> 
> This is kernel hacking stuff ;-). Should normally
> not be neccessary (at
> least I haven't been forced to do that so far).
> 
> > I built the drivers using the instructions in
> README
> > and INSTALL
> > cd /usr/src/DVB/driver
> > make
> > make insmod
> > lsmod
> 
> > Install dvbtune -
> > http://www.linuxstb.org/dvbtune/index.shtml
> > cd /usr/src
> > unzip dvbtune then:
> > tar -zxvf dvbtune-0_3.tar.bz
> > cd dvbtune-0.3
> > make
> > cp dvbtune /usr/local/bin
> > then Add network interface and receive MPE on PID
> dpid
> > (PID=1951)
> > ./dvbtune -n 1951
> > ISP Details: Freq 12336 V, SR 30000, FEC 2/3, PID
> 1951
> > ./dvbtune -f 12336000 -s 30000 -p v -D 0
> 
> Seems ok for me. You can as well put all options
> including the -n switch
> into one single dvbtune-call.
> 
> (...)
> > When dvbtune has been executed the DVB card is
> > available like a normal network device.
> 
> > Have to set FEC to 2/3
> > Have to set LNB LOF low, switch and high to
> 11300000
> 
> Ok, this depends on the parms your provider is
> using. I didn't have to
> do such things.
> 
> > Activate the interface it first (maybe using
> "ifconfig
> > -a dvb0_0")
> > Then set an IP address and MAC address with the
> > command
> > ifconfig dvb0_0 192.168.4.1 hw ether
> 00:01:02:03:04:05
> > up
> 
> Syntactically right. Make shure that the MAC is
> exactly the one your
> provider is expecting ot to be.
> 
> > Now look at /var/log/messages
> > tcpdump -ni dvb0_0
> > Next setup routing for ppp connection and firewall
> > (iptables) and Internet connection sharing (NAT)
> 
> Just leave out that firewall and NAT-stuff as long
> as you are not shure
> that "simple" connection via satellite is working.
> You'd put too much
> additional trouble into it.
> 
> > I think that the outgoing packets thru ppp0, ppp1,
> or
> > ppp2 Source IP address needs to be set to the IP
> > address of the DVB-s card interface dvb0_0 somehow
> 
> Routing is depending on the way, your provider
> establishes the
> connection. VPN looks different than proxy. Which
> one do you use? With a
> proxy your provider takes care of the packet-flow,
> with vpn you'll have
> to tweak your routing to make your outgoing packets
> flow through the
> VPN-tunnel.
> Your outgoing ppp-devices do not need to know the ip
> of your dvb-card.
> Your sat-provider will handle the data-stream and
> route the returning
> packets to your dvb-device. This is why normally you
> get the MAC-Adress
> for your dvb0_0 from your provider or you'll be
> asked to provide this
> adress within your registration.
> 
> echo "0" >> /proc/sys/net/ipv4/conf/dvb0/rp_filter
> > How to make the settings stick after reboot
> 
> I'm not quite shure, since rp_filter is turned off
> in my distribution by
> default. Maybe if you echo 0 into
> /proc/sys/net/ipv4/conf/default/rp_filter. Already
> tried that?
> 
> 
> -- 
> Best regards
> Wolfgang Wershofen                           
> mailto:wolfgang@wershofen.com
> 
> 
> 
> -- 
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> with "unsubscribe linux-dvb" as subject.
>  

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