RE: Help Needed with TC qdisc and filters

Andreas Wright
2003-01-20T13:36:51Z

Hello
I was thinking Prio qdisc has 3 classes by default.Hence it should be possible
to enque the packets into one of these classes using tc filters as shown
below.Can anyone clarify this
Regards,
Anil




From: lartc-admin@mailman.ds9a.nl [mailto:lartc-admin@mailman.ds9a.nl]On
Behalf Of Andreas Wright
Sent: 20 January 2003 14:30
To: LARTC@mailman.ds9a.nl
Subject: [LARTC] Help Needed with TC qdisc and filters


Hello ,
I am trying to use tc to do the following ..on the interface(eth0) I want to
give priority to to packets coming from a specific IP address 1.2.3.4 over
packets from IP address 1.2.3.5 .
I would like to know if the following setup would work with PRIO qdisc.
tc qdisc add dev eth0 root handle 10 : prio
tc filter add dev eth0 parent 10:0 protocol ip prio 1 u32 \
match ip src 1.2.3.4/32 flowid 10:1
tc filter add dev eth0 parent 10:0 protocol ip prio 1 u32 \
match ip dst 1.2.3.4/32 flowid 10:1
tc filter add dev eth0 parent 10:0 protocol ip prio 1 u32 \
match ip src 1.2.3.5/32 flowid 10:2
tc filter add dev eth0 parent 10:0 protocol ip prio 1 u32 \
match ip dst 1.2.3.5/32 flowid 10:2
Can I test this setup by using flooding ping from 1.2.3.4 and 1.2.3.5 to the
machine configured with tc ?
I expected that pings from 1.2.3.5 will be dropped giving priority to
1.2.3.4
Looking forward to your input,
Andreas.









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