From: ccie2be (ccie2be@nyc.rr.com)
Date: Thu Jul 29 2004 - 19:29:58 GMT-3
Does anybody know if the load-interval command affects the load calculation
used by the dialer load-threshold command?
The smallest value possible with the load-interval command is 30 seconds.
Does that mean that after dialer load-threshold has brought up the second
bri circuit, it will take at least 30 of the load being less than the
threshold before load-threshold will take down the 2nd bri?
Also, it seems that dialer load-threshold kick-ins very quickly after the
load exceeds the load threshold value. How does the router determine, by
default, for how long the load must exceed load-threshold before kicking in?
In other words, suppose the load exceeds the load threshold for only 3
seconds, will the 2nd circuit be brought up?
How 'bout 5 seconds? etc?
Thanks in advance
----- Original Message -----
From: "Wang Dehong-DWANG1" <Dehong.Wang@motorola.com>
To: "'ccie2be'" <ccie2be@nyc.rr.com>; "Kenneth Wygand"
<KWygand@customonline.com>; "Daniel Sheedy" <dansheedy@gmx.net>; "Wang
Dehong-DWANG1" <Dehong.Wang@motorola.com>; "Brian McGahan"
<bmcgahan@internetworkexpert.com>
Cc: <ccielab@groupstudy.com>
Sent: Thursday, July 29, 2004 5:59 PM
Subject: RE: Dialer load threshhold vs. ppp multilink
>
> I felt the same way after I looked at doc CD..
>
> Usage Guidelines
> When the cumulative load of all UP links (a number n) exceeds the load
threshold the dialer adds an extra link and when the cumulative load of all
UP links minus one (n - 1) is at or below load threshold then the dialer can
bring down that one link. The dialer will make additional calls or drop
links as necessary but will never interrupt an existing call to another
destination
>
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fdial_r/drfd.htm#wp1123269
>
> -----Original Message-----
> From: ccie2be [mailto:ccie2be@nyc.rr.com]
> Sent: Thursday, July 29, 2004 4:49 PM
> To: Kenneth Wygand; Daniel Sheedy; Wang Dehong-DWANG1; Brian McGahan
> Cc: ccielab@groupstudy.com
> Subject: Re: Dialer load threshhold vs. ppp multilink
>
>
> Dan,
>
> I believe you're mistaken. Dialer load-threshold will also drop a channel
> if the load remains below the load-threshold long enough. Remember, the
> period during which the load is evaluated is determined by the dialer
> interval-period which, by default, uses 300 seconds (5 minutes).
>
> Does anybody disagree?
>
> But, on the other hand, it doesn't take 5 minutes for utilization to
exceed
> the load-threshold for the 2nd channel to be added. Go figure.
>
>
>
> ----- Original Message -----
> From: "Daniel Sheedy" <dansheedy@gmx.net>
> To: "Wang Dehong-DWANG1" <Dehong.Wang@motorola.com>
> Cc: <ccielab@groupstudy.com>
> Sent: Thursday, July 29, 2004 4:08 PM
> Subject: Re: Dialer load threshhold vs. ppp multilink
>
>
> > Hi Dehong,
> >
> > I was looking through the commands and found this one about number 3.
> >
> > Use the ppp multilink load-threshold command for dynamic bandwidth
> > (dial-on-demand) systems in which MLP will need to dial additional links
> as
> > needed to increase the bandwidth of a connection. When the load on the
> > bundle interface exceeds the set value, links are added. When the load
on
> > the bundle interface drops below the set value, links are dropped.
> >
> >
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/dial_r/dia_n1g.htm#wp1135540
> >
> > So, if the questions asks that the link should add the link at a certain
> > load, and then remove it when it drops down below this level, then the
> > multilink load-threshold is the way to go. Whereas the dialer load will
> > just add it, and then timeout when it is bored (has nothing
interesting).
> >
> > Dan Sheedy
> >
> >
> > _______________________
> > Subject: RE: Dialer load threshhold vs. ppp multilink
> >
> >
> > > good to know the more details. I thought that load threshold and
> multilink
> > are bond together too :) Now my question is what should be used if you
are
> > just asked to bring the second link up if the traffic on first channel
> > exceed some point, say 70%.
> > >
> > > 1. load threshold only
> > > 2. load threshold with ppp multilink
> > > 3. ppp multlink load threshold
> > >
> > > thanks.
> > >
> > > - Dehong
> >
> > _______________________________________________________________________
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