[cisco-voip] Auto-QoS ?

Tue Jun 5 18:38:48 EDT 2007

i just tried on ethernet and it accepted the command.

or at least tab completed it.

i was 'fraid to press enter. ;)
--------------------------------------------------------------------------------
Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 
"Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo."      WJR

  ----- Original Message ----- 
  From: Voll, Scott 
  To: Jonathan Charles 
  Cc: ciscovoip 
  Sent: Tuesday, June 05, 2007 6:29 PM
  Subject: Re: [cisco-voip] Auto-QoS ?

  Can you do it on an ATM interface?

  Scott

  -----Original Message-----
  From: Jonathan Charles [mailto:jonvoip at gmail.com] 
  Sent: Tuesday, June 05, 2007 2:58 PM
  To: Voll, Scott
  Cc: ciscovoip
  Subject: Re: [cisco-voip] Auto-QoS ?

  Oh, it also adds this:

  rmon event 33333 log trap AutoQoS description "AutoQoS SNMP traps for
  Voice Drop
  s" owner AutoQoS
  rmon alarm 33333 cbQosCMDropBitRate.34.5364641 30 absolute
  rising-threshold 1 33
  333 falling-threshold 0 owner AutoQoS

  Jonathan

  On 6/5/07, Jonathan Charles <jonvoip at gmail.com> wrote:
  > On the Serial Interface:
  >
  > auto qos voip trust
  >
  > and it adds this:
  >
  > class-map match-any AutoQoS-VoIP-RTP-Trust
  >  match ip dscp ef
  > class-map match-any AutoQoS-VoIP-Control-Trust
  >  match ip dscp cs3
  >  match ip dscp af31
  >
  > policy-map AutoQoS-Policy-Trust
  >  class AutoQoS-VoIP-RTP-Trust
  >   priority percent 70
  >  class AutoQoS-VoIP-Control-Trust
  >   bandwidth percent 5
  >  class class-default
  >   fair-queue
  >
  > interface Serial0/0
  >  auto qos voip trust
  >  service-policy output AutoQoS-Policy-Trust
  >
  >
  > I don't like the percentages, I prefer to nail in the bandwidth on the
  > priority and bandwidth commands to match up with locations-based CAC.
  >
  > Jonathan
  >
  > On 6/5/07, Voll, Scott <Scott.Voll at wesd.org> wrote:
  > > You can setup Auto QoS on routers?  What's the command?
  > >
  > > Scott
  > >
  > > -----Original Message-----
  > > From: cisco-voip-bounces at puck.nether.net
  > > [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jonathan
  > > Charles
  > > Sent: Tuesday, June 05, 2007 2:27 PM
  > > To: Carter, Bill
  > > Cc: cbomba at s4nets.com; cisco-voip at puck.nether.net
  > > Subject: Re: [cisco-voip] Auto-QoS ?
  > >
  > > OK, but here's the question no one is answering...
  > >
  > > Saying "Auto-QOS sucks" is all well and good, but first off, some of
  > > us are not CCIEs... and also, have you ever actually experienced a
  > > voice quality issue with the Auto-QOS on Cisco switches?
  > >
  > > To be perfectly honest, I have come across so many installations
  (some
  > > quite large) with NO layer-2 QOS that I find it difficult to
  > > understand how it Auto-QOS could be a problem.
  > >
  > > That being said, when the 3560s first came out, Auto-QOS strangled
  > > non-priority traffic to about 4MB/sec on a GigE switch... (since
  fixed
  > > by code updates)...
  > >
  > > All in all, I think AQ has matured to a point of being perfectly
  > > acceptable for LAN Switching...
  > >
  > > On the other hand, I didn't even realize Auto-QOS was available for
  > > routers until recently (I was so comfortable with CBWFQ that I never
  > > even looked into the automatic way), when I did finally run into it,
  > > it just spews in the same config I would do by hand anyway...
  > >
  > >
  > >
  > > Jonathan
  > >
  > > On 6/5/07, Carter, Bill <bcarter at sentinel.com> wrote:
  > > > AutoQoS on the switches still maps COS 3 to DSCP AF31(26), when
  > > current
  > > > SRND and CM installations set call control to DSCP CS3(24).  I run
  > > > autoqos on the switches then adjust the map.
  > > >
  > > > -----Original Message-----
  > > > From: cisco-voip-bounces at puck.nether.net
  > > > [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jonathan
  > > > Charles
  > > > Sent: Tuesday, June 05, 2007 3:10 PM
  > > > To: Paul Choi
  > > > Cc: cbomba at s4nets.com; cisco-voip at puck.nether.net
  > > > Subject: Re: [cisco-voip] Auto-QoS ?
  > > >
  > > > I would agree on the Router-side.. but for the switches, it is far
  > > more
  > > > likely to have positive results than the manual method...
  > > > especially without years of experience configuring your queues...
  > > >
  > > > To be honest, the auto-qos dumps config into the switch that is,
  A:
  > > > Cisco TAC supported, B: Likely to work great and C: easy.
  > > >
  > > > Why wouldn't you use it? Unless you have a lot of SNA traffic or
  > > > something...
  > > >
  > > >
  > > > Jonathan
  > > >
  > > >
  > > > On 6/5/07, Paul Choi <asobihoudai at yahoo.com> wrote:
  > > > > Auto-QoS, better known as "QoS for idiots" (like
  > > > > myself) is a cookie cutter approach to your network. I think
  it's
  > > > > better not to use if you have the knowhow to implement QoS
  yourself.
  > > > >
  > > > > --- "Christopher M. Bomba" <cbomba at s4nets.com> wrote:
  > > > >
  > > > > > I have implemented QoS on multiple voice networks from 6500s
  to
  > > > > > 2950s.  I have done it always manually.  The network I am
  working
  > > on
  > > >
  > > > > > now is insisting on Auto-QoS.  I haven't done it before but
  only
  > > > > > heard horror stories from it.
  > > > > >
  > > > > > What are you thoughts on this?  This is a very large network
  that
  > > is
  > > >
  > > > > > going to have multiple clusters and thousands of devices
  connected
  > > > > > to the IPT network.
  > > > > >
  > > > > > Thanks,
  > > > > >
  > > > > > Chris
  > > > > >
  > > > > > _______________________________________________
  > > > > > cisco-voip mailing list
  > > > > > cisco-voip at puck.nether.net
  > > > > > https://puck.nether.net/mailman/listinfo/cisco-voip
  > > > > >
  > > > >
  > > > >
  > > > >
  > > > >
  > > > >
  > >
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