From: Chris Larson (clarson52@comcast.net)
Date: Fri Oct 10 2003 - 18:42:18 GMT-3
Nice. Good info thank you!!.
----- Original Message -----
From: "Clark, Jeffrey" <Jeffrey.Clark@nasdaq.com>
To: "Chris Larson" <clarson52@comcast.net>; "Ray Stevens"
<cisco-guy@rogers.com>
Cc: <ccielab@groupstudy.com>
Sent: Friday, October 10, 2003 4:50 PM
Subject: RE: Class Default
> Actually routing updates and L2 control packets are treated differently.
> There is a separate queue, on some routers it's actually part of the
default
> queue. It's called the pak_priority queue. BGP is handled differently.
> With BGP the IP precedence bits are set but not the pak_queue flag.
>
> Here's a document showing this. I actually had this same question and
> a Cisco AS guy I was working with explaned it to me.....
>
> http://www.cisco.com/warp/public/105/rtgupdates.html#packet
>
>
>
> Jeff Clark
>
> -----Original Message-----
> From: Chris Larson [mailto:clarson52@comcast.net]
> Sent: Friday, October 10, 2003 4:38 PM
> To: Ray Stevens
> Cc: ccielab@groupstudy.com
> Subject: Re: Class Default
>
>
> Why wouldn't regular routing updates fall into the class default queue if
> you have configured one?
>
> Configuring a class default in my mind is the same as the max reserved
> bandwidth. Everything else goes in there.....routing updates and all other
> traffic not defined by more explicit classes.
> So if you configure class default then I wouldn't see how it would starve.
> If you gave your default class 10% or 20% then everything that is not
> specified by more explicit classes would get that amount of BW including
> regular routing updates.
>
> policy-map MYMAP
> Class FTP
> match proto FTP
> band 25%
> Class SMTP
> match proto smtp
> band 25%
> Class WWW
> match proto html
> band 40%
> Class default
> band 10% - Everything else....including routing
updates....why
> then keep the max-reserved-bandwidth?
>
>
>
>
> ----- Original Message -----
> From: "Ray Stevens" <cisco-guy@rogers.com>
> To: <ccielab@groupstudy.com>
> Sent: Friday, October 10, 2003 4:01 PM
> Subject: RE: Class Default
>
>
> > Doesnt the reserve bandwidth also allow for regular routing updates, and
i
> > seem to remember reading assigning 100% to queuing could in effect
starve
> > the bandwidth required for routing updates.
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> > Chris Larson
> > Sent: Friday, October 10, 2003 1:39 PM
> > To: ccielab@groupstudy.com
> > Subject: Class Default
> >
> >
> > If we are asked to configure multiple classes for CBWFQ and a class for
> all
> > other traffic ( a default) then wouldn't it be the case that we should
> make
> > max reserved bandwidth 0
> >
> > Any traffic that does not confirm to the defined classes would go into
the
> > configure default class and therefore I think you would not want to keep
> any
> > reserved bandwidth on the interface.
> >
> > It would all go towards the policy that has the configured default
class?
> >
> > Is that correct?
> >
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