Hi
Take a look to this link:
http://www.krisk.org/astlinux/misc/astshape
roberto
2006/8/12, John covici <covici@xxxxxxxxxxxxxx>:
I am using a server with asterisk and I am trying to prioritize voip
traffick -- I am a newbie at this traffic shaping, so please bear with
me. I used the script below and what happens is thatall traffic in
the bulk class stops after a couple of minutes. Also, should I
include the ports for rtp in the filter statements with the ports 5061
and 4569? Note I have a fairly big pipe -- supposed to be able to do
the full 100mb out.
Here is the script.
#!/bin/sh
#####################################
############ VARIABLES ##############
# #
e=eth0 # interface
t1=70Mbit # size of your WAN - remember you can't max this or you'll experience latency. 75-80% of max is a good place to start.
el=100Mbit # size of eth0
w=7.5Mbit # weighting of your WAN (10% of t1)
sizeCitrix=5Mbit
sizeVoIP=55Mbit
sizeBulk=10Mbit
weightCitrix=0.5Mbit
weightVoIP=5.5Mbit
weightBulk=1Mbit
# #
#####################################
#####################################
# Delete any old rules #
set -v
set -x
tc qdisc del root dev $e
## each class is able to take more bandwidth as it is available, but must
## surrender it as the higher priorities (2, 3, then 4) need it.
## The lower the priority number, the more priority it gets. Thus when
## there is extra bandwidth available, the lower number classes get it as
## they need it.
# root qdisc / qdisc = queueing discipline #
tc qdisc add dev $e root handle 1:0 cbq bandwidth 100Mbit avpkt 1000 cell 8||exit 1
tc class add dev $e parent 1:0 classid 1:1 cbq bandwidth 100Mbit rate $t1 weight $w prio 8 allot 1514 cell 8 maxburst 20 avpkt 1000 bounded||exit 1
# child qdiscs (like child nodes on a tree) #
tc class add dev $e parent 1:1 classid 1:3 cbq bandwidth 100Mbit rate $sizeCitrix weight $weightCitrix prio 8 allot 1514 cell 8 maxburst 20 avpkt 300 isolated||exit 1
tc qdisc add dev $e parent 1:3 handle 30: sfq perturb 20||exit 1
tc class add dev $e parent 1:1 classid 1:5 cbq bandwidth 100Mbit rate $sizeVoIP weight $weightVoIP prio 8 allot 1514 cell 8 maxburst 20 avpkt 204 bounded ||exit 1
tc class add dev $e parent 1:1 classid 1:9 cbq bandwidth 100Mbit rate $sizeBulk weight $weightBulk prio 8 allot 1514 cell 8 maxburst 20 avpkt 1000||exit 1
tc qdisc add dev $e parent 1:9 handle 90: sfq perturb 20||exit 1
#####################################
############### Citrix ##############
# #
# SSH #
tc filter add dev $e protocol ip parent 1:0 prio 1 u32 match ip sport 22 0xffff flowid 1:3||exit 1
tc filter add dev $e protocol ip parent 1:0 prio 1 u32 match ip dport 22 0xffff flowid 1:3||exit 1
#####################################
############### VoIP ################
# #
# IAX # this is the old format - IAX2 should be what's really seen going
#on
tc filter add dev $e protocol ip parent 1:0 prio 1 u32 match ip sport 5061 0xffff flowid 1:5||exit 1
tc filter add dev $e protocol ip parent 1:0 prio 1 u32 match ip dport 5061 0xffff flowid 1:5||exit 1
# IAX2 #
tc filter add dev $e protocol ip parent 1:0 prio 1 u32 match ip sport 4569 0xffff flowid 1:5||exit 1
tc filter add dev $e protocol ip parent 1:0 prio 1 u32 match ip dport 4569 0xffff flowid 1:5||exit 1
#####################################
######### Bulk / Default ############
# #
tc filter add dev $e protocol ip parent 1:0 prio 3 u32 match ip src 0.0.0.0/0 flowid 1:9||exit 1
tc filter add dev $e protocol ip parent 1:0 prio 3 u32 match ip dst 0.0.0.0/0 flowid 1:9||exit 1
Any assistance would be appreciated.
--
Your life is like a penny. You're going to lose it. The question is:
How do
you spend it?
John Covici
covici@xxxxxxxxxxxxxx
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