From: Lupi, Guy (Guy.Lupi@eurekanetworks.net)
Date: Tue May 04 2004 - 17:49:31 GMT-3
I typically mark all traffic with an appropriate value at the ingress point,
this way there is no possibility of someone marking their traffic and
inadvertently receiving a class of service that they have not subscribed
for. For example, if I only had 2 classes of service, platinum and best
effort, I would mark platinum at the ingress with the appropriate DSCP and
mark all other traffic 0 or some other appropriate value.
-----Original Message-----
From: Kenneth Wygand [mailto:KWygand@customonline.com]
Sent: Tuesday, May 04, 2004 4:32 PM
To: ccielab@groupstudy.com
Subject: Best Effort Definition
Hello Group,
I think I know the answer to this one but I just want to get some more
opinions...
If I am performing QoS (whether it be CoS, IP Precedence, ToS Bits, or
DSCP), supposed I would like to "mark all traffic going from router A to
router B as IP Precedence 6 while other traffic receiving "best effort"
service"... obviously through some kind of classification, marking and
queuing I would make sure all traffic from router A to router B receives the
type of service it requires. However, what about all other traffic? When
requesting that other traffic gets "best effort", should one leave the QoS
markings as-is, or actually remark them back to all 0's?
Thanks in advance,
Kenneth E. Wygand
Systems Engineer, Project Services
CISSP #37102, CCNP, CCDP, ACSP, Cisco IPT Design Specialist, MCP, CNA,
Network+, A+
Custom Computer Specialists, Inc.
"I am not really smart. I just stick with problems longer." -Albert Einstein
Custom Computer Specialists, Inc.
"Celebrating 25 Years of Excellence"
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