[LARTC] Limiting upstream trafic with classes that borrow bandwith

Linux Advanced Routing and Traffic Control

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	Hello

	I have a DSL connection, 256 kbits downstream, 128 kbits upstream

	I am using cbq-init script to shape bandwith 
(ftp://ftp.equinox.gu.net/pub/linux/cbq)

	I have two upstream connections I want to shape: rsync+ssh with only ONE 
remote host, and qmail mail server with all the internet

	What I want is this:  I have 128 kbits upstream.  These are the rules

	*Web, ftp, telnet, icq trafic are MORE important for me than rsync or qmail
	* If have upstream spare bandwith, I want rsync+ssh (or qmail) to fullfit 
it. 
	* Rsync+ssh trafic is more important than qmail trafic, but I want qmail 
should have a guaranted 56 Kbit upstream rate


	So, for example, if total upstream bandwith is 128 kbits:

	* No web trafic, no qmail trafic -> rsync+ssh should have 128 kbits upstream
	* No web trafic, no rsync+ssh trafic ---> qmail should have 128 kbits 	      
                                                                      upstream
	* Rsync+ssh AND qmail---> 72 kbits rsync, 56 kb qmail
	* Web or ftp trafic and rsync+ssh ---> web: 128 kbits, rsync:0
	* Web and qmail ------------------------> 72 kbits web, 56 kbits qmail
	* Web, qmail and rsync ---------------> 72 kbits web, 56 kbits qmail, 0 rsync

	By now, the only thing I have been able to achieve is limiting ssh and mail 
upstream to 56kbits each :-(


	These are my /etc/sysconfig/cbq files 

* cbq-1000.all_bandwith

DEVICE=eth0,10Mbit,1Mbit
RATE=128Kbit
WEIGHT=12Kbit
PRIO=5
LEAF=none


This is my ssh config

* cbq-1001.ssh2_remote_host

DEVICE=eth0,10Mbit,1Mbit
RATE=56Kbit
WEIGHT=5Kbit
PRIO=5
PARENT=1000
BOUNDED=no
RULE=MY_IP,REMOTE_HOST_IP:22


And this is my qmail file

* cbq-1002.mail

DEVICE=eth0,10Mbit,1Mbit
RATE=56Kbit
WEIGHT=5Kbit
PRIO=5
PARENT=1000
BOUNDED=no
RULE=MY_IP,:25

	
	Can someone help me? Thank you in advance

	Greetings from Spain!



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