From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Thu Jul 29 2004 - 19:32:26 GMT-3
What it means is the load average over load-interval seconds.
By default the load of the interface is a five minute average. Setting
load-interval to 60 seconds would make it a 1 minute average.
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: ccie2be [mailto:ccie2be@nyc.rr.com]
> Sent: Thursday, July 29, 2004 5:30 PM
> To: Wang Dehong-DWANG1; Kenneth Wygand; Daniel Sheedy; Brian McGahan
> Cc: ccielab@groupstudy.com
> Subject: Re: Dialer load threshhold & load-interval interaction
>
> 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/
fd
> ial_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/
di
> al_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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