hfsc and dropped packets

Linux Advanced Routing and Traffic Control

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi,
 
I'm trying to get a handle on hfsc.  Here is my configuration:

root@jmnrouter:/jmn# tc  class show dev vlan1
class hfsc 1: root
class hfsc 1:1 parent 1: ls m1 0bit d 0us m2 225000bit ul m1 0bit d 0us m2
225000bit
class hfsc 1:10 parent 1:1 rt m1 191000bit d 25.0ms m2 135000bit ls m1 0bit
d 0us m2 135000bit ul m1 0bit d 0us m2 225000bit
class hfsc 1:20 parent 1:1 rt m1 22008bit d 25.0ms m2 56008bit ls m1 0bit d
0us m2 56008bit ul m1 0bit d 0us m2 225000bit
class hfsc 1:30 parent 1:1 rt m1 11008bit d 25.0ms m2 22008bit ls m1 0bit d
0us m2 22008bit ul m1 0bit d 0us m2 225000bit
class hfsc 1:40 parent 1:1 rt m1 0bit d 25.0ms m2 11008bit ls m1 0bit d 0us
m2 11008bit ul m1 0bit d 0us m2 225000bit

And here is the stats right after I run the qos script with no load on the
link(adsl):
root@jmnrouter:/jmn# tc -s class show dev vlan1
class hfsc 1: root
 Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
 period 0 level 2

class hfsc 1:1 parent 1: ls m1 0bit d 0us m2 225000bit ul m1 0bit d 0us m2
225000bit
 Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
 period 349 work 42417 bytes level 1

class hfsc 1:10 parent 1:1 rt m1 191000bit d 25.0ms m2 135000bit ls m1 0bit
d 0us m2 135000bit ul m1 0bit d 0us m2 225000bit
 Sent 31297 bytes 304 pkts (dropped 18, overlimits 0)
 period 304 work 31297 bytes rtwork 30991 bytes level 0

class hfsc 1:20 parent 1:1 rt m1 22008bit d 25.0ms m2 56008bit ls m1 0bit d
0us m2 56008bit ul m1 0bit d 0us m2 225000bit
 Sent 7302 bytes 17 pkts (dropped 2, overlimits 0)
 period 17 work 7302 bytes rtwork 7010 bytes level 0

class hfsc 1:30 parent 1:1 rt m1 11008bit d 25.0ms m2 22008bit ls m1 0bit d
0us m2 22008bit ul m1 0bit d 0us m2 225000bit
 Sent 3818 bytes 28 pkts (dropped 0, overlimits 0)
 period 28 work 3818 bytes rtwork 3818 bytes level 0

class hfsc 1:40 parent 1:1 rt m1 0bit d 25.0ms m2 11008bit ls m1 0bit d 0us
m2 11008bit ul m1 0bit d 0us m2 225000bit
 Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
 period 0 level 0


Why is there dropped packets but nothing overlimits??

Thanks.


FYI Here is the relevant scipt commands I have dsl 1.5down and 256up.
+ tc qdisc del dev vlan1 root
+ tc qdisc add dev vlan1 root handle 1: hfsc default 30
+ tc class add dev vlan1 parent 1: classid 1:1 hfsc ls rate 225kbit ul rate
225kbit
+ tc class add dev vlan1 parent 1:1 classid 1:10 hfsc rt m1 191kbit d 25ms
m2 135kbit ls rate 135kbit ul rate 225kbit
+ tc class add dev vlan1 parent 1:1 classid 1:20 hfsc rt m1 22kbit d 25ms m2
56kbit ls rate 56kbit ul rate 225kbit
+ tc class add dev vlan1 parent 1:1 classid 1:30 hfsc rt m1 11kbit d 25ms m2
22kbit ls rate 22kbit ul rate 225kbit
+ tc class add dev vlan1 parent 1:1 classid 1:40 hfsc rt m1 0kbit d 25ms m2
11kbit ls rate 11kbit ul rate 225kbit
+ tc filter add dev vlan1 parent 1: prio 1 protocol ip handle 1 fw flowid
1:10
+ tc filter add dev vlan1 parent 1: prio 2 protocol ip handle 2 fw flowid
1:20
+ tc filter add dev vlan1 parent 1: prio 3 protocol ip handle 3 fw flowid
1:30
+ tc filter add dev vlan1 parent 1: prio 4 protocol ip handle 4 fw flowid
1:40

_______________________________________________
LARTC mailing list
LARTC@xxxxxxxxxxxxxxx
http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc

[Index of Archives]     [LARTC Home Page]     [Netfilter]     [Netfilter Development]     [Network Development]     [Bugtraq]     [GCC Help]     [Yosemite News]     [Linux Kernel]     [Fedora Users]
  Powered by Linux