RE: dialer load-threshold

From: JJ Crump (RCrump@xxxxxxxxxxxxxxxx)
Date: Tue Oct 23 2001 - 12:18:32 GMT-3


   
Here's an excerpt from the following whitepaper:
http://www.cisco.com/warp/public/131/mppp-ddr.html

"The dialer load-threshold load command sets the point at which additional B
channels will be added to the MPPP bundle. When the total load of all "up" B
channels (n) is greater than the load threshold, the dialer interface (in
this case, the BRI or PRI) adds an extra channel to the multilink bundle. In
a similar way, if the total load for all the "up" B channels minus one (n -
1) is at or below the threshold, channels will be taken down.

The load argument is the average load for the interface; it is a value from
1 (unloaded) to 255 (fully loaded).

The outbound argument sets the load calculation to be made only on outbound
traffic. The inbound argument does the same, but for inbound traffic only.
Using the either argument sets the load as the larger of the outbound and
inbound loads."

If I understand this correctly, the short answer to your question is yes.
Because the greater value (outbound) is 50k, this specifies a load of
approximately 196\255 on the BRI line. With the dialer load-threshold
command set to 128, this would bring the next B channel up.

Hope this helps!

Ralph (JJ) Crump

-----Original Message-----
From: Ravi [mailto:s_ravichandran@hotmail.com]
Sent: Tuesday, October 23, 2001 11:01 AM
To: Richard Gallagher; routerjocky; ccielab@groupstudy.com
Subject: Re: dialer load-threshold

Rich,

So, what is the answer for my example? will that bring up the second channel
or not?

Regards,
Ravi

----- Original Message -----
From: Richard Gallagher <rgallagh@cisco.com>
To: Ravi <s_ravichandran@hotmail.com>; routerjocky <elouie@yahoo.com>;
<ccielab@groupstudy.com>
Sent: Tuesday, October 23, 2001 12:24 PM
Subject: Re: dialer load-threshold

> Ravi,
>
> If one sides transmit rate reaches more than 128/255 x 64K then the
> the
second
> B channel will be bought up.
>
> Rich
>
> CCIE# 7211
>
> On Oct 23, 4:17pm, Ravi chatted about:
> > Subject:Re: dialer load-threshold
> > Still I am confused.
> >
> > Let us consider the following example.
> >
> > ppp multilink
> > dialer load-threshold 128 either
> >
> > 1) if the outbound load is 50k and inbound load is 46k, will this
> > bring
up
> > the second bri?
> >
> > Regards,
> > Ravi
> >
> >
> >
> >
> >
> >
> > ----- Original Message -----
> > From: routerjocky <elouie@yahoo.com>
> > To: Ravi <s_ravichandran@hotmail.com>; <ccielab@groupstudy.com>
> > Sent: Tuesday, October 23, 2001 9:51 AM
> > Subject: Re: dialer load-threshold
> >
> >
> > > > Can you tell me What is the meaning of either?
> > > Hey, Ravi...
> > >
> > > it means either inbound and outbound
> > >
> > > >
> > > >
> > > >
> > > > Regards,
> > > > Ravi
> > > >
> > > > ----- Original Message -----
> > > > From: John Kim <albugkim@hotmail.com>
> > > > To: <s_ravichandran@hotmail.com>; <ccielab@groupstudy.com>
> > > > Sent: Tuesday, October 23, 2001 9:23 AM
> > > > Subject: Re: dialer load-threshold
> > > >
> > > >
> > > > > Ravi,
> > > > >
> > > > > The default is outbound and you can see that by sh run
> > > > > command.
> > > > >
> > > > > Thanks,
> > > > > John Kim
> > > > >
> > > > >
> > > > > >From: "Ravi" <s_ravichandran@hotmail.com>
> > > > > >Reply-To: "Ravi" <s_ravichandran@hotmail.com>
> > > > > >To: <ccielab@groupstudy.com>
> > > > > >Subject: dialer load-threshold
> > > > > >Date: Tue, 23 Oct 2001 09:08:50 -0400
> > > > > >
> > > > > >Hi,
> > > > > >
> > > > > >When entering dialer load threshold command, there are four
options.
> > > > > >
> > > > > >1) either
> > > > > >2) inbound
> > > > > >3) outbound
> > > > > >4) cr
> > > > > >
> > > > > >can anyone let me know what is cr? in other words, what is
> > > > > >the
> > default?
> > > > > >
> > > > > >Also either means whether the addition of both inbound and
outbound
> > > > > >traffic?
> > > > > >
> > > > > >How can I verify?
> > > > > >
> > > > > >
> > > > > >Regards,
> > > > > >Ravi



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