https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201488
Bug ID: 201488
Summary: dummynet appears broken in 10.0-RELEASE and onwards
(can't traffic shape on bridges)
Product: Base System
Version: 10.0-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
If I boot into a Live CD image from FreeBSD-9.3-RELEASE
and issue the following commands:
ifconfig bridge create
ifconfig bridge0 addm igb0 addm igb1 up
ifconfig igb0 up
ifconfig igb1 up
kldload dummynet
sysctl -w net.link.bridge.ipfw=1
ipfw -q 10 add pipe 100 ip from any to any
ipfw -q pipe 100 config bw 1Mb/s delay 100ms
I end up with a traffic shaped network (bandwidth is limited and delay is
inserted) as expected between igb0 and igb1.
Following those exact same commands but with FreeBSD-10.0-RELEASE,
FreeBSD-10.1-RELEASE, or FreeBSD-11.0-CURRENT, all the commands are accepted
without any errors or warnings, however there is no bandwidth limiting and no
delay inserted when passing traffic across the bridge.
It appears that dummynet is broken, at least for bridges, since at least
10.0-RELEASE.
Could this be fixed?
Thanks
James
Images used were:
ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/amd64/ISO-IMAGES/9.3/FreeBSD-9.3-RELEASE-amd64-mini-memstick.img
ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/amd64/ISO-IMAGES/10.0/FreeBSD-10.0-RELEASE-amd64-memstick.img
ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/amd64/ISO-IMAGES/10.1/FreeBSD-10.1-RELEASE-amd64-mini-memstick.img
ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/ISO-IMAGES/11.0/FreeBSD-11.0-CURRENT-amd64-20150630-r284969-mini-memstick.img
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