misc/77308: ALTQ doesn't seem to be working on tun0

dreams dreams at gmail.com
Wed Feb 9 08:00:48 PST 2005

>Number:         77308
>Category:       misc
>Synopsis:       ALTQ doesn't seem to be working on tun0
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Feb 09 16:00:47 GMT 2005
>Originator:     dreams
>Release:        5.3-STABLE
FreeBSD localhost 5.3-STABLE FreeBSD 5.3-STABLE #10: Tue Feb  8 21:06:14 UTC 2005     root at localhost:/usr/src/sys/i386/compile/MYKERNEL  i386
I wanted to use pf+ALTQ with my ADSL connection (pppoe with ppp), everything is set up like in /usr/share/examples/pf/ackpri (using tun0 as external interface, and NAT so that another PC connected to the internal interface can access the internet), but the ack packets don't seem to be prioritized. pfctl -vsq shows some packets passing through the high priority queue (and a lot through the default queue, of course), but when the upstream is full, download speed still drops significantly. I tried tuning the bandwidth specified in the altq statement but it doens't seem to make any difference.

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