I guess Probably this qdisc alread exist . Try to delete it and add it again and see what you are getting. Nitin --- Neil Aggarwal <neil@JAMMConsulting.com> wrote: > Joseph: > > Based on you comments, I deleted all of the qdiscs > and > then typed these commands: > echo 1 > /proc/sys/net/ipv4/ip_forward > > /sbin/tc qdisc add dev eth0 root handle 1: > prio > /sbin/tc qdisc add dev eth0 parent 1:1 > handle 1:10 sfq > > Immediately on typing this second command, I get > this output: > Starting tc: RTNETLINK answers: File exists > > Any ideas why I am getting this? > > Thanks, > Neil. > > -- > Neil Aggarwal > JAMM Consulting, Inc. (972) 612-6056, > http://www.JAMMConsulting.com > Custom Internet Development Websites, Ecommerce, > Java, databases > > > > -----Original Message----- > > From: Joseph Watson [mailto:jtwatson@datakota.com] > > Sent: Wednesday, October 23, 2002 8:22 PM > > To: Neil Aggarwal > > Subject: Re: Priority queuing using tc not > working > > > > > > On Friday 18 October 2002 07:43 pm, Neil Aggarwal > wrote: > > > Hello: > > > > > > I am trying to set up priority based queue for > my VOIP traffic. > > > I am running a RedHat 8.0 machine that is > masquerading my > > internal network > > > which has my PC and a VOIP phone. All VOIP > traffic goes to and from > > > my PBX, which is at 10.0.0.20. > > > > > > When I use my phone and try to download a file > via FTP on my PC, > > > all of the packets are going into the low > priority queue. > > > > > > I typed these commands: > > > echo 1 > /proc/sys/net/ipv4/ip_forward > > > > > > # Create the priority queue > > > /sbin/tc qdisc add dev eth0 root handle 1: > prio > > > /sbin/tc qdisc add dev eth0 parent 1:1 handle > 10: sfq > > > ^^^ > > > 1:10 > > > /sbin/tc qdisc add dev eth0 parent 1:2 handle > 20: sfq > > > ^^^ > > > 1:20 > > > /sbin/tc qdisc add dev eth0 parent 1:3 handle > 30: sfq > > > ^^^ > > > 1:30 > > > > > > # Add filters to put high priority packets > into queue 1:1 > > > /sbin/tc filter add dev eth0 pref 1 protocol > ip parent 1:0 > > u32 match ip > > > src 10.0.0.20 flowid 1:10 /sbin/tc filter add > dev eth0 pref 1 > > protocol ip > > > parent 1:0 u32 match ip dst 10.0.0.20 flowid > 1:10 > > > > > > # Add a filter to put all remaining packets > into queue 1:2 > > > /sbin/tc filter add dev eth0 protocol ip > parent 1:0 prio 2 > > u32 match ip > > > dst 0.0.0.0/0 flowid 1:20 > > ^^^ > > Here is the problem, You dont have a 1:10 > > or 1:20 qdisc unless you make the > > above corrections. > > > > -- > > Regards > > > > Joseph Watson > _______________________________________________ > LARTC mailing list / LARTC@mailman.ds9a.nl > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ __________________________________________________ Do you Yahoo!? Y! Web Hosting - Let the expert host your web site http://webhosting.yahoo.com/ _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/