From: kevin gannon (kevin@gannons.net)
Date: Mon Nov 07 2005 - 12:18:26 GMT-3
In ireland at least minir = SP CIR and they do *not* allow you to
burst to port speed. You can buy EIR burst however .
Regards
Kevin
On 11/7/05, Scott Morris <swm@emanon.com> wrote:
> That's always the catch! Most frame-relay providers will allow you to
> "burst to port speed" or at least burst above the CIR they sell you.
>
> The key concept to remember is that the CIR you buy from your SP is a
> guarantee, which logically means you shouldn't ever need to go BELOW that,
> since you paid for it! Now, how much above that you will consistently get
> through the line (since, as you note, it's flagged DE) becomes sort of a
> game. The "cir" that Cisco pegs is one that we need to engineer (fancy word
> for guessing with a few tests involved). That's the target that we can
> reasonably acheieve.
>
> The mincir we set on our routers is that minimum level to back off to if
> there's congestion. It certainly shouldn't be anything lower than what we
> pay for and are guaranteed to get.
>
> In the lab, do whatever the lab tells you! In real life, there's some
> playing around, and if whatever you come up with doesn't consistently work
> for you, then you either need to pick different numbers, or pay for more cir
> from the SP.
>
> It's all a game though.
>
> Scott
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Wang, Ting (Taylor)
> Sent: Monday, November 07, 2005 5:04 AM
> To: ccielab@groupstudy.com
> Subject: relationship between CISCO CIR / MinCIR and Telco CIR
>
> Hi All,
> I was told "The miniCIR is Cisco concept, it is actually CIR of Telco! if
> Cisco router sends out data over miniCIR, the Telco thinks it is over
> normal CIR!!! so DE is marked."
> If miniCIR is actually CIR of Telco, how should we select the CIR value of
> the CISCO box?
>
> Thanks,
> Taylor
>
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