[LARTC] How to manage relatively internet bandwidth while don't know specific input internet bandwidth ?

[ngo giang]

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Hello,
 
My organization has a LAN network and the LAN is connected to internet by a Cisco router. 
 
internet -------| Cisco router |------ LAN
 
(The cisco router can not be replaced by a linux router, I think, because the LAN has more 
 
than 1000 computers.)
 
LAN network is divided into some sub networks. I have to relatively manage internet
 
bandwidth (between applications and between computers ) at these sub-networks using linux 
 
router .
 
               internet
                  |            ------------> bandwidth here is known.
            cisco router
             /      |      \  ....
         ............................
           /        |        \  ----------------> I don't know internet bandwidth of each sub network
         linux   linux    ......
        router  router    
         /         |        
       sub      sub         .....   network    network   .....

 
My problem is  I don't know the internet bandwidth of each sub network. 
 
Can you give me some suggestion about schemes I can use in  a linux router  (what qdisc, ... ).
 
Thank in advance,
 
nhgiang  


		
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<DIV>
<DIV>Hello,</DIV>
<DIV>&nbsp;</DIV>
<DIV>My&nbsp;<FONT size=2>organization has a LAN network and&nbsp;the LAN is connected to internet&nbsp;by a Cisco router. </FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>internet&nbsp;-------| Cisco router&nbsp;|------ LAN</DIV>
<DIV>&nbsp;</DIV>
<DIV>(The cisco router can not be replaced by a linux router, I <FONT size=2>think,&nbsp;because the LAN&nbsp;has more </FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>than&nbsp;1000 computers.)</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>LAN network is divided&nbsp;into some sub networks. I have to relatively&nbsp;manage internet</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>bandwidth&nbsp;(between&nbsp;applications and between computers )</FONT><FONT size=2>&nbsp;at these sub-</FONT><FONT size=2>networks using linux </FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>router&nbsp;</FONT><FONT size=2>.</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;internet</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ------------&gt; bandwidth here is known.</DIV>
<DIV><FONT size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;cisco router</FONT></DIV>
<DIV><FONT size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;|&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;\&nbsp; ....</FONT></DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ............................</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \&nbsp; ----------------&gt; I don't know internet bandwidth of each sub network</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; linux&nbsp;&nbsp; linux&nbsp;&nbsp;&nbsp; ......</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; router&nbsp; router&nbsp;&nbsp;&nbsp; </DIV>
<DIV><FONT size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; sub&nbsp;&nbsp; &nbsp;&nbsp; sub&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; .....
<DIV>&nbsp;&nbsp; network&nbsp;&nbsp;&nbsp; network&nbsp;&nbsp; .....</DIV></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT size=2>My problem is&nbsp; I don't know the </FONT><FONT size=2>internet </FONT><FONT size=2>bandwidth&nbsp;of each sub network. </FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>Can you give me&nbsp;some suggestion about schemes I can use in&nbsp;&nbsp;a linux router &nbsp;(what qdisc, ...&nbsp;).</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>Thank&nbsp;in advance,</DIV>
<DIV>&nbsp;</DIV>
<DIV>nhgiang&nbsp;&nbsp;</DIV></DIV><p>
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