On Wed, Jan 6, 2010 at 4:07 PM, Kingsley Charles <[email protected] > wrote:
> If you need to do rate-limiting per session or flow, then you need QoS > policing. Using class maps you can classify the traffic. > > With rate-limiting it is straight, it just limits the traffic that enter > the interface. > > For my example, you can rate-limit the 6 users per interface for example > serial sub-interfaces. > > > Interface BW should not be considered here. > > You may have 100 Mbps Ethernet interface in your PC but your broadband > connection may provide only 256 kbps which means you can send only 256 kbbs > of data. > > It all depends on what link you have T1, T3, E1, E3, etc > > > > > With regards > Kings > > On Wed, Jan 6, 2010 at 3:46 PM, Michael Davis < > [email protected]> wrote: > >> So if I apply the rate limit, it limits per flow or per session, not in >> total? If I configure as you say below, each user will get 256k maximum, >> but the full bandwidth of the interface can still be utilized. >> >> >> >> *From:* Kingsley Charles [mailto:[email protected]] >> *Sent:* Wednesday, January 06, 2010 9:08 PM >> *To:* Michael Davis >> *Cc:* [email protected] >> *Subject:* Re: [OSL | CCIE_Security] rate-limit command >> >> >> >> You can configure rate-limit on a dialer interface. >> >> >> >> For PPPoE connection, the dialer interface is the one throught which the >> traffic is sent/recieved, hence the rate-limit should be configured on it. >> >> On Wed, Jan 6, 2010 at 3:35 PM, Kingsley Charles < >> [email protected]> wrote: >> >> Hi Michael >> >> >> >> You need to configure rate-limit based on your link speed and the >> requirement. >> >> >> >> Let's say you are an ISP having 1544 Kbps link and you are poviding 256 >> kbps for 6 users. To ensure that an user doesn't consume more than 256 >> kbps, you need prevent the user by some means. >> >> >> >> Hence you either configure rate limit inbound on the ISP side or outbound >> on the user side. >> >> >> >> rate-limit input 256000000 7000 4000 conform-action transmit exceed-action >> drop >> >> >> >> >> >> >> >> >> >> >> >> With regards >> >> Kings >> >> >> >> >> >> >> >> On Wed, Jan 6, 2010 at 1:10 PM, Michael Davis < >> [email protected]> wrote: >> >> Hi everyone – I have 2 questions about the legacy rate-limit command. >> >> 1. How do we correctly calculate what the correct normal burst and >> maximum (excess) burst setting should be? >> >> 2. I know you should always apply the rate-limit or QOS service >> policies to a physical interface, but I saw an ISP engineer apply the >> rate-limit command to a dialer (pppoe) interface today. Is this a >> recommended practice? >> >> Thanks >> >> Michael >> >> >> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> >> >> >> > >
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