From: Thounda Craig, Jr. (hjcgroup@xxxxxxxxxxxxxx)
Date: Sat Sep 08 2001 - 23:46:37 GMT-3
Cal, you're correct (if policy is to be broad - CBWFQ). NBAR allows you to
be more granular as you described - should Sanjay look to control
particular web apps. end-to-end.
As will any QoS design, each ingress/egress point has to be in compliance
w/policy in order to deliver required results.
Note: either will work, just different approaches based on known items
within the network. Of the two, CBWFQ is the simple method, NBAR requires
detailed knowledge of the network.
brgds,
Thounda
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Cal Michael
Sent: Saturday, September 08, 2001 10:11 PM
To: 'Thounda Craig, Jr.'; 'sanjay'; ccielab@groupstudy.com
Subject: RE: Traffic Queueing
- I guess I would disagree that NBAR is the correct
IOS feature to implement in this case.
NBAR normally requires CBWFQ to perform the type
of filtering of network based prioritization you
were looking for in your email.
Though NBAR can provide many "content" based
services, all you would need is to set up CBWFQ.
Just remember that prioritizing Internet traffic
is something you also need to implement with your
ISP's help.
Using a QoS method such as CBWFQ (using a standard
ACL to specify source IP networks) works fine for
outbound traffic (enterprise to ISP).
However, you need to have the ISP implement a
prioritization for traffic from the Internet (if
you host anything - email, web, etc) or traffic
from the Internet that is "return" traffic for
a transaction an internal user initiated.
Lastly, remember that the ISP has no idea what
the RFC1918 addresses in your example belong to,
they will need to prioritize the destination
networks using public address(es).
--- ----- ---
---------------------------------------------
- Cal Michael - Author www.solutionlabs.com -
- CCIE R-S/ISP Dial #5033, CCDP, AVVID CIPT -
- mailto:support@solutionlabs.com -
---------------------------------------------
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Thounda Craig, Jr.
Sent: Saturday, September 08, 2001 7:37 PM
To: 'sanjay'; ccielab@groupstudy.com
Subject: RE: Traffic Queueing
Yes, you can create a NBAR policy w/an ACL for the specified subnet.
brgds,
Thounda
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
sanjay
Sent: Saturday, September 08, 2001 8:15 PM
To: ccielab@groupstudy.com
Subject: Traffic Queueing
Is there a way to allow for more bandwidth to one subnet then the other
to access the internet? Lets say I have 2 subnets 10.10.10.0/24 and
10.10.20.0/24. I want to give high priority to 10.10.10.0/24 subnet for
accessing the internet.
Any info is appreciated.
-sanjay
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