[Asterisk-Users] Bandwidth control on a home office network

[Pepe Grillo]

Hello:

Try  "ipfw and dummynet" on a freebsd box acting as
traffic shapper, you can put your ATAs or like in another
network, then you can manage your bandwith like as
your ISP.

If you need some assistance don't hessitate ask me

Excuse me by the offtopic

-------
Ing. Julio Alvarez Tejera
Unix Trends
*BSD, Solaris & Linux
CT & VoIP Solutions Finder
(506) 286-5478
+1-305-704-2019
---------------
"estabilidad al extremo"


----- Original Message -----
From: "Rich Adamson" <radamson at routers.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Saturday, October 16, 2004 12:25 PM
Subject: Re: [Asterisk-Users] Bandwidth control on a home office network


> > I have a Grandstream ATA today connected to my 750k broadband
> > connection via an older router / firewall that doesn't have any QoS /
> > ToS capability.  It works fine apart from the obvious problem of when
> > large emails come in or somebody else on the network starts d/l-ing
> > something big off the web.
> >
> > I'm wondering whether to swap the router for a Cisco in order to
> > introduce some local bandwidth control.
> >
> > Alternatively I was wondering if I picked up a Cisco 7960 handset
> > instead - is the 2nd ethernet port routed through the device, or does
> > it just act as an Ethernet repeater, i.e. if I arranged the handset in
> > the network as below would I get bandwidth prioritisation for the 7960?
> >
> > [CABLE MODEM]------[7960]-------[FW / ROUTER / HUB]--------[REST OF MY
> > NETWORK]
>
> QoS, regardless of whether its based on the IP header TOS bits or on
> specific tcp/udp port numbers, essentially prioritizes the "outbound"
> flow of data packets, sending high priority packets before lower
> priority packets. It does nothing for inbound data such as downloads
> to your site.
>
> Most broadband connections have a different upload vs download speed,
> where usually the download speed is substantially greater then the
> upload speed. E.g., not uncommon to see DSL or Cable modems limited
> to 758k down and 128k/256k upload speeds. QoS may help with prioritizing
> traffic through the 128k/256k. However, your internet service provider
> would need to prioritize the download traffic for you.
>
> There are some rather expensive devices that you can install that will
> rate limit both upload and download traffic. Those devices artifically
> control the download traffic by withholding TCP acknowledgment packets,
> etc. Not sure how effective they are though.
>
>
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