[LARTC] Re: can't get cbq to traffic shape

[LARTC] Re: can't get cbq to traffic shape

[trevorwarren]

Trevor Warren writes: 

> Hello Stef, 
> 
>  Thanks a million for the information but things still dont work. Am sending
>  you the modified tc script that i worked on. This in essence has 2 filters for the incoming
> and outgoing packets to 192.168.*.*. 
> 
>  Each location has a 3 server setup.  
> 
> 192.168.0.100 : Billing server (eth0)
> x.x.x.x :  External IP (eth1) 
> 
> Other servers :-
> 192.168.0.101 : Cache server for Network 1
> 192.168.0.102 : Cache server for Network 2 
> 
>  On the gateway these scripts don't work at all(In terms of Traffic Shaping).  Clients are still able
> to download more than 40Kbit as suggested in the scripts.  
> 
> Eth0 is on an internal LAN while eth1, eth2 are external ip addresses. The rule sets in tc 
> have been made such as to capture traffic and put them between the classes.  
> 
>  This apart, Natting will take place only on the external ethernet adapter right??. Since the Internal 
> NIC eth0 doesn't have.any Natted conditions it should be easier for it to shape traffic. That apart, one
> last but important issue, i am re-directing all web traffic from this gateway load balanced to
> the other 2 caching boxes. Can this be an issue?? 
> 
> Awaiting your inputs on the same. Please help me resolve this. You efforts on the same will be appreciated.  
> 
> 
> #!/bin/bash
>                                                                                                                                               
> #####################################
> #Deleting and setting up
> #Root qdisc's
> #####################################
> tc qdisc del dev eth0 root
> tc qdisc add dev eth0 root handle 1:0 cbq bandwidth 10Mbit avpkt 1000
> cell 8
>                                                                                                                                               
> #######################################
> #Setting up top 10 qdiscs
> #for initial packet classification
> #######################################
> tc class add dev eth0 parent 1:0 classid 1:1 cbq bandwidth 10Mbit rate
> 200Kbit allot 1514 cell 8 maxburst 20 avpkt 1000 weight 20Kbit bounded
> tc filter add dev eth0 parent 1:0 protocol ip u32 match ip src
> 192.168.10.0/24 classid 1:1
> tc filter add dev eth0 parent 1:0 protocol ip u32 match ip dst
> 192.168.10.0/24 classid 1:1
>                                                                                                                                               
> tc class add dev eth0 parent 1:0 classid 1:2 cbq bandwidth 10Mbit rate
> 200Kbit allot 1514 cell 8 maxburst 20 avpkt 1000 weight 20Kbit bounded
> tc filter add dev eth0 parent 1:0 protocol ip u32 match ip src
> 192.168.11.0/24 classid 1:2
> tc filter add dev eth0 parent 1:0 protocol ip u32 match ip dst
> 192.168.11.0/24 classid 1:2
>                                                                                                                                               
> tc class add dev eth0 parent 1:0 classid 1:3 cbq bandwidth 10Mbit rate
> 200Kbit allot 1514 cell 8 maxburst 20 avpkt 1000 weight 20Kbit bounded
> tc filter add dev eth0 parent 1:0 protocol ip u32 match ip src
> 192.168.12.0/24 classid 1:3
> tc filter add dev eth0 parent 1:0 protocol ip u32 match ip dst
> 192.168.12.0/24 classid 1:3 
> 
> :
> :
> :
> : 
> 
> 
> ####################################
> #Actual Filters
> #################################### 
> 
> 
> #################################
> # Start of Actual Filters
> #################################
>                                                                                                                                               
>  
>   
> tc class add dev eth0 parent 1:1 classid 1:13 cbq bandwidth 10Mbit rate 40Kbit weight 4Kbit prio 4 allot 1514 cell 8 maxburst 20 avpkt 1000 bounded
> tc filter add dev eth0 parent 1:1 protocol ip u32 match ip src 192.168.10.1/32 classid 1:13
> tc filter add dev eth0 parent 1:1 protocol ip u32 match ip dst 192.168.10.1/32 classid 1:13
>   
>   
> tc class add dev eth0 parent 1:1 classid 1:14 cbq bandwidth 10Mbit rate 40Kbit weight 4Kbit prio 4 allot 1514 cell 8 maxburst 20 avpkt 1000 bounded
> tc filter add dev eth0 parent 1:1 protocol ip u32 match ip src 192.168.10.2/32 classid 1:14
> tc filter add dev eth0 parent 1:1 protocol ip u32 match ip dst 192.168.10.2/32 classid 1:14
> :
> :
> :
> :
> :
> :
>    
> 
> 
> Trevor 
> 
 


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