Need Help with dummynet sysctl settings or tuning

[tvtube blog]

Luigi Rizzo .....  Any thing from, you Side as you are the inventor/coder
of dummynet.

TheONe Khan

On Thu, Jan 21, 2010 at 10:26 AM, tvtube blog <tvtubeblog at gmail.com> wrote:

> Dear All,
>
> I am trying to Create a Bandwidth Manager for our ISP with using Freebsd
> 8.0 + dummynet + ipfw. I also want to do tuning kernel + dummynet + ipfw
> using sysctl and load.conf .I am using Xeon 2.4 Server with 2 broadcom Giga
> lan Cards and  32 GB SSD and 2 GB RAM and I will bandwidth shaping for each
> ip means every /32 for 4000 IP addresses.
>
> I try to google for tunning these follwoing Dummynet settings but could not
> dig deep into it. I love to know about every settings (use / min value / max
> value / best value ) same for ipfw and tcp settings
>
> For example:
> net.inet.ip.dummynet.io_fast: 0   (what is this use for / min value / max
> value / best value)
> net.inet.ip.dummynet.ready_
> heap: 64 (what is this use for / min value / max value / best value)
> net.inet.ip.dummynet.hash_size: 64 (what is this use for / min value / max
> value / best value)
>
>
> and the rest  of settings but I love Know about them ...... if any one know
> about any book , ebook , tatorial  etc etc etc  then please reply
>
> Firewal# sysctl -a | grep dummynet
> net.inet.ip.dummynet.debug: 0
> net.inet.ip.dummynet.pipe_byte_limit: 1048576
> net.inet.ip.dummynet.pipe_slot_limit: 100
> net.inet.ip.dummynet.io_pkt_drop: 928
> net.inet.ip.dummynet.io_pkt_fast: 132
> net.inet.ip.dummynet.io_pkt: 649566
> net.inet.ip.dummynet.io_fast: 0
> net.inet.ip.dummynet.tick_lost: 0
> net.inet.ip.dummynet.tick_diff: 247710
> net.inet.ip.dummynet.tick_adjustment: 247672
> net.inet.ip.dummynet.tick_delta_sum: 665
> net.inet.ip.dummynet.tick_delta: 1000
> net.inet.ip.dummynet.red_max_pkt_size: 1500
> net.inet.ip.dummynet.red_avg_pkt_size: 512
> net.inet.ip.dummynet.red_lookup_depth: 256
> net.inet.ip.dummynet.max_chain_len: 16
> net.inet.ip.dummynet.expire: 1
> net.inet.ip.dummynet.search_steps: 662611
> net.inet.ip.dummynet.searches: 649566
> net.inet.ip.dummynet.extract_heap: 0
> net.inet.ip.dummynet.ready_heap: 64
> net.inet.ip.dummynet.hash_size: 64
>
> Thanks
>
> TheONe KHan
>