Solved

Available bandwidth after setting up MPLS with QoS?

Posted on 2010-11-29
2
285 Views
Last Modified: 2012-05-10
We are looking into implementing VoIP within six months.  My question is once we configure our mpls network with QoS, say for instance we devide bandwidth between voice and data, allowing %30 for voice and %70 for data, will the %30 always be reserved for voice even when its not being utilized?

I ask because I would like to cut up the mpls early to see how it impacts my data transfer speeds.

Please provide a reference for your response if possible.  Thank you.
0
Comment
Question by:MNBTech
  • 2
2 Comments
 
LVL 29

Accepted Solution

by:
pwindell earned 125 total points
ID: 34251034
It will be fine.  QoS comes into play when two competing types of traffic try to use the line at the same time.  When it is only one type at a time then each get's 100%

QoS is a prioritizer,...not a "trottle".
0
 
LVL 29

Expert Comment

by:pwindell
ID: 34251112
What your do have to worry about is the physical layer after the phones are added.

An IP segment is "overloaded" when it gets past 250-300 IP devices on it.  So if the Phones go on the same physical Drop at the Desk as the PC does then you are almost doubling the number of IP Devices on the wire.  So you may have some re-structuring to do at the Physical Layer.

As a general rule,...for every 200 IP Devices break off a new Physical Segment.  That still leaves about 50 Devices of "growing room" on the segment.

VLANs do not help! The limitation is in the physical capacity of the physical cabling and equipment,...therefore you have to reduce the number of Devices using the physical wire segment. VLANs do not do that unless the VLAN virtual structure parallels the physical structure.
0

Featured Post

What is SQL Server and how does it work?

The purpose of this paper is to provide you background on SQL Server. It’s your self-study guide for learning fundamentals. It includes both the history of SQL and its technical basics. Concepts and definitions will form the solid foundation of your future DBA expertise.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

I wrote this article to help simplify the process of combining multiple subnets. This can be used for route summarization also but there are other better ways to summarize routes, This article is a result of questions I participate in here at Ex…
Creating an OSPF network that automatically (dynamically) reroutes network traffic over other connections to prevent network downtime.
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…

920 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

15 Experts available now in Live!

Get 1:1 Help Now