Vadim Goncharov vadim_nuclight at mail.ru
Tue Sep 21 12:47:44 UTC 2010

Hi Jon Otterholm! 

On Mon, 20 Sep 2010 10:00:48 +0200; Jon Otterholm wrote about 'Dummynet':

> Installed a new router running 8-stable and encounter some problems when
> configuring dummynet pipes:

> When setting buckets above 1024...
> ipfw pipe 91 config bw 100Mbit/s mask src-ip 0xffffffff buckets 4096

> ...I get the following error:
> Clamp sched buckets to 1024 (was 4096)

Try to write "buckets 4096" before "mask", though this is unlikely to help,
there are some troubles with 8.1's changes in parser.

> # sysctl net.inet.ip.dummynet.hash_size
> net.inet.ip.dummynet.hash_size: 4096

Also, make sure you're doing this before any packets actually went to dummynet
(e.g. just after reboot).

> from man ipfw:
>     buckets hash-table-size
>           Specifies the size of the hash table used for storing the
> various
>           queues.  Default value is 64 controlled by the sysctl(8)
> variable
>           net.inet.ip.dummynet.hash_size, allowed range is 16 to 65536.

> Am I missing something here? This worked fine in the 7-branch.

The reason is that luigi@ merged ipfw3 from -CURRENT between 8.0R and 8.1R.
There are many new features and, as seen from many PRs, many new bugs.

WBR, Vadim Goncharov. ICQ#166852181       mailto:vadim_nuclight at mail.ru
[Moderator of RU.ANTI-ECOLOGY][FreeBSD][http://antigreen.org][LJ:/nuclight]

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