Re: should I shape tun[N] or eth0 ?

Linux Advanced Routing and Traffic Control

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On 05 August 2004 pm 16:51, Rene Gallati wrote:
> Hello,
> > If I have a few vpn tunnels with different tun interfaces. And all this
> > tunnel traffic is coming in on my eth0 interface, it also leave via eth0
> > again. I would like to share the available bandwidth evenly with tunnel
> > clients. Would applying the bandwidth rule on eth0 with htb & sfq work
> > for sharing the bandwidth or will bandwidth rules only affect tunnel
> > traffic if I apply it to the actual tun[n] intefaces ?
> For example:
> VPN1 udp 5000 <----> udp 5000
> VPN2 udp 5001 <----> udp 5001
> tc filter add dev eth0 parent 1:0 prio 10 u32 match udp sport 5000 dport
> 5000 flowid 1:2
> tc filter add dev eth0 parent 1:0 prio 10 u32 match udp sport 5001 dport
> 5001 flowid 1:2
> etc.
> to put all VPN traffic into class 1:2
> Note that I didn't test this, so there might be an error in the lines
> above but the outlined way should work.


On device tun, tc worked perfectly, just as you do with real interface eth0..n
Tested under 256Kbps link using Slackware-9.1 and Slackware-10 as distro.

Also tested and worked perfectly with IMQ.
So cheer up .. :))

Regards,
Rio Martin.
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