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[altq 26] Re: CBQ is not working as expected.
Are you running both vic and mgen on PC1? If so, mgen eats up the
RSVP (or CBQ) reserves only network bandwidth; it doesn't reserve CPU
power nor process scheduling.
Try to reserve from PC1 to SPARC and run mgen on PC2.
Bruno Borges Rocha <email@example.com> said:
>> I'm using ALTQ-1.2 with ISI RSVP rel4.2a4 on 2 FreeBSD-3.1-RELEASE boxes.
>> RSVP recognizes CBQ on my interfaces. (fxp0 and ed0)
>> CBQ enable on interface ed0
>> CBQ enable on interface fxp0, (both with MTU:1500 & 10M on /etc/cbq.conf)
>> My experiment just like this:
>> PC1 PC2 SPARC
>> +--------+ +--------+ +---------+
>> |rel4.2a4| |rel4.2a4| |SOLARIS7 |
>> |altq-1.2|E--------E|altq-1.2|E--------E|solstice |
>> |FBSD3.1 | |FBSD3.1 | |RSVP |
>> +--------+ +--+--------+ +-+-------+
>> ^ | |
>> | | +---> w/ CBQ Traffic Control.
>> | |
>> +-----------+---> kernel options enabled:ALTQ,CBQ,RED,FLOWVALVE,LOCALQ
>> E = Ethernet 10Mbps;
>> I do that by typing:
>> mybox# ./rsvpd -D -l63 -d63
>> this give me a rtap prompt. I reserve bandwitdh manually on both machines
>> PC1 <--> SOLARIS using PC2 as a router.
>> I used applications like VIC(uses UDP) and MGEN(SAME), to generate traffic
>> on ports reserved manually by rtap.
>> reserved PC1/8990 to PC2/8991 and using same hosts/port to transfer video.
>> When generating traffic w/ MGEN, it's disturbs completelly the video
>> transfers. Making high loss rates (up to 50%) and not respecting the
>> reservation made by rsvp(used to be controlled load [cl])
>> I've read docs/TIPS.txt and see that isn't a good ideia to use CBQ w/ UDP?
>> Is there any chance to make it work ?
>> Or can anyone point my mistake on this ?