[LARTC] Bandwidth Management

[LARTC] Bandwidth Management

[Lucio Torresin]

	I need to limit the bandwidth usage on my network. I read about iproute2+tc
but i think i don't need it yet. I only need to limit bandwidth of certain
network. On this mailing list i've read about the usage of cbq.init scripts
and i have done some to test. My problem now is: how to make my linux box
activate these scripts? i have a Debian potato installation with kernel
2.4.2 and iproute2+tc installed. Where have i to put these scripts to make
them work?

Thanks to everyone who can give me some hints.

Lucio



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[LARTC] Bandwidth Management

[Isak Badenhorst]

Hi

I am rather new to Linux and QoS etc ....

I spending the last few days reading through all the documentation
available.  I only have on question.  My setup is as follows.

I have a cisco router connected to the internet.  Then I have a linux
machine with two NIC which serves as gateway for my private network.  My
question is if it is possible to limit the bandwidth for mail coming from
the internet on the linux machine or do I have to this on the router.  If so
can the outgoing mail to the internet be shaped on the linux machine.

Isak



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RE: [LARTC] Bandwidth Management

[Isak Badenhorst]

Hi

I am reading through your documents but maybe in the meantime you can help
me by looking at what I wants tot do.

Ok here we go.

I have a 128kbit line to the internet.  As previously mentioned it is coming
in through a cisco router.  I also have a linux server which has two NIC.
Eth0 is connected to the router and eth1 to the LAN.  I have a few
workstations connected to the LAN.  The linux server do masquerading for the
workstations.  The linux machine also serves as mail server.  I need to
shape the mail that is coming in from the internet to 25% of the bandwidth
available and also wants to shape mail that's being sent out from the
workstations to a maximum of 25% of the bandwidth available.

This is in short the first thing I want to do.

If you need more info would you please let me know.


Thanks

Isak Badenhorst

-----Original Message-----
From: Stef Coene [mailto:stef.coene@docum.org]
Sent: 16 October 2001 13:28
To: Isak Badenhorst
Subject: Re: [LARTC] Bandwidth Management

You can do all this.  I wrote some documentation about it.  You can find it
on docum.org.  Maybe you missed it ;-).

If you didn't missed it, mail some more information to the mailing list and
we will try to help you.


Stef

On Tuesday 16 October 2001 13:24, you wrote:
> Hi
>
> I am rather new to Linux and QoS etc ....
>
> I spending the last few days reading through all the documentation
> available.  I only have on question.  My setup is as follows.
>
> I have a cisco router connected to the internet.  Then I have a linux
> machine with two NIC which serves as gateway for my private network.  My
> question is if it is possible to limit the bandwidth for mail coming from
> the internet on the linux machine or do I have to this on the router.  If
> so can the outgoing mail to the internet be shaped on the linux machine.
>
> Isak
>
>
>
> _______________________________________________
> LARTC mailing list / LARTC@mailman.ds9a.nl
> http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO:
> http://ds9a.nl/2.4Routing/

--

stef.coene@docum.org        stef.coene@belgacom.net
More QOS info : http://docum.org/
Title : "Using Linux as bandwidth manager"



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RE: [LARTC] Bandwidth Management

[Isak Badenhorst]

SORRY
I am using Slackware 8 with kernel 2.4.9.
Hi

I am reading through your documents but maybe in the meantime you can help
me by looking at what I wants tot do.

Ok here we go.

I have a 128kbit line to the internet.  As previously mentioned it is coming
in through a cisco router.  I also have a linux server which has two NIC.
Eth0 is connected to the router and eth1 to the LAN.  I have a few
workstations connected to the LAN.  The linux server do masquerading for the
workstations.  The linux machine also serves as mail server.  I need to
shape the mail that is coming in from the internet to 25% of the bandwidth
available and also wants to shape mail that's being sent out from the
workstations to a maximum of 25% of the bandwidth available.

This is in short the first thing I want to do.

If you need more info would you please let me know.


Thanks

Isak Badenhorst

-----Original Message-----
From: Stef Coene [mailto:stef.coene@docum.org]
Sent: 16 October 2001 13:28
To: Isak Badenhorst
Subject: Re: [LARTC] Bandwidth Management

You can do all this.  I wrote some documentation about it.  You can find it
on docum.org.  Maybe you missed it ;-).

If you didn't missed it, mail some more information to the mailing list and
we will try to help you.


Stef

On Tuesday 16 October 2001 13:24, you wrote:
> Hi
>
> I am rather new to Linux and QoS etc ....
>
> I spending the last few days reading through all the documentation
> available.  I only have on question.  My setup is as follows.
>
> I have a cisco router connected to the internet.  Then I have a linux
> machine with two NIC which serves as gateway for my private network.  My
> question is if it is possible to limit the bandwidth for mail coming from
> the internet on the linux machine or do I have to this on the router.  If
> so can the outgoing mail to the internet be shaped on the linux machine.
>
> Isak
>
>
>
> _______________________________________________
> LARTC mailing list / LARTC@mailman.ds9a.nl
> http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO:
> http://ds9a.nl/2.4Routing/

--

stef.coene@docum.org        stef.coene@belgacom.net
More QOS info : http://docum.org/
Title : "Using Linux as bandwidth manager"



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http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/

[LARTC] bandwidth management

[andybr]

Hi all,

I have a firewall central which a control the 
download/upload bandwidth with cbq of 9 differents 
networks. Now i need some help from you. I would like 
to use mrtg+snmp to reports these bandwidth to show per 
ip, how? any idea? tips?

Thanks in advance,
Anderson

 
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Re: [LARTC] bandwidth management

[Leen Besselink]

On Fri, 3 Sep 2004, andybr wrote:

> Hi all,
>
> I have a firewall central which a control the
> download/upload bandwidth with cbq of 9 differents
> networks. Now i need some help from you. I would like
> to use mrtg+snmp to reports these bandwidth to show per
> ip, how? any idea? tips?
>

A simple iptables rule (that doesn't do anything ?) and the small
perl-script below that I made.

2 rules that don't do anything:

iptables -t filter -I FORWARD -s network1/netmask
iptables -t filter -I FORWARD -d network1/netmask

or rules that make all traffic pass a set of rules specifically for that
network:

iptables -t filter -I FORWARD -s network1/netmask -j NET1
iptables -t filter -I FORWARD -d network1/netmask -j NET1

well... that's the simplest (not terrible efficient) way... :-)

#!/usr/bin/perl

$iptables = "/sbin/iptables";   # Adjust these to fit your site
$uptime = "/usr/bin/uptime";
$host = "whitecat";

$chain = ${ARGV[0]};

$_ = `$iptables -t filter -nvxL FORWARD | grep $chain`;
@iets = split ("\n", $_);

foreach $LINE (@iets) {
        # iptables prints source destination (so ip\s+0\/0 means out)

        if ($LINE =~ /[0-9]+\.[0-9]+\s+0\.0\.0\.0\/0/) {
                $LINE =~ s/^\s*\d+\s+(\d+).*$/$1/s;
                $out = $LINE;
                $out .= "\n";
        } else {
                $LINE =~ s/^\s*\d+\s+(\d+).*$/$1/s;
                $in = $LINE;
                $in .= "\n";
        }
}

print ($in.$out);

($uptime = `$uptime`) =~ s/^.*up (.*,[\d: ]+),.*$/$1/s;

print "$uptime\n$host\n";

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