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 From:  sai <sonicsai at gmail dot com>
 To:  Markus <universe at truemetal dot org>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: Shaping scenario - possible with m0n0wall?
 Date:  Mon, 10 Oct 2005 12:39:29 +0500
Markus, m0n0 uses DUMMYNET to implement shaping

d) not directly possible..you could do this by using DHCP to give each
host its IP address

c) is possible if you give your favoured hosts a separate queue


On 10/9/05, Markus <universe at truemetal dot org> wrote:
> I would like to find out whether the following shaping setup is possible
> with m0n0wall.
> Several subnets (/26, /27 - each in its own VLAN) shaped to e.g. 100
> Mbit/s, 25 Mbit/s or 10 Mbit/s full-duplex. There is always a specific
> amount of hosts located in each subnet and the available bandwidth per
> subnet should be shared equally among all hosts in this particular
> subnet.
> Let's say:
> a) 100 Mbit/s full-duplex: - there are 50 hosts in this
> subnet (,,, ...). The bandwidth is
> shared equally among the hosts which results in each host receiving
> exactly 2 Mbit/s full-duplex (100 Mbit/s / 50 hosts = 2 Mbit/s per host)
> guaranteed at all times.
> b) When some hosts are not maxing out their share of bandwidth, the
> other hosts must be allowed to burst up to the defined bandwidth "pool"
> limit, which is 100 Mbit/s full-duplex in this case. E.g. 49 servers do
> not transfer any data, 1 server can burst up to 100 Mbit/s. Or, 25
> servers are not transferring, 25 servers can burst up to 4 Mbit/s each.
> c) Allow individual hosts in each subnet to receive a higher share of
> this bandwidth (QoS). E.g. define that "" receives 5 Mbit/s
> guaranteed out of the 100 Mbit/s pool. This results in all other 49
> hosts receive only 1,94 Mbit/s guaranteed, but of course each host
> should still be allowed to burst up to 100 Mbit/s if there's no other
> activity at all.
> d) Equally share the bandwidth among MAC addresses in a subnet, and not
> by IP addresses.
> Actually, we are doing a) and b) with a FreeBSD software router using
> ipfw and DUMMYNET, but we are looking for c) and d) and DUMMYNET does
> not provide such features or we couldn't yet figure out how to achieve
> this.
> Thank you very much,
> Markus
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