QOS police vs bandwidth - is this configuration wrong?
up vote
1
down vote
favorite
I understand bandwidth in QOS is use to guarantee a minimum bandwidth
I understand police in QOS is to set a limit to the maximum bandwidth.
class test_out
police **1608000** 50000 100000 conform-action set-dscp-transmit af31 exceed-action set-dscp-transmit af32 violate-action set-dscp-transmit 28
**bandwidth 2542**
random-detect dscp-based
random-detect exponential-weighting-constant 7
random-detect dscp 26 50 80 10
random-detect dscp 28 15 40 5
Can someone tell me if the above configuration is self defeating ?
I have a guarantee bandwidth of 2542Kb, but traffic is being police at 1608000 bits = 1570Kb
cisco switch router qos
add a comment |
up vote
1
down vote
favorite
I understand bandwidth in QOS is use to guarantee a minimum bandwidth
I understand police in QOS is to set a limit to the maximum bandwidth.
class test_out
police **1608000** 50000 100000 conform-action set-dscp-transmit af31 exceed-action set-dscp-transmit af32 violate-action set-dscp-transmit 28
**bandwidth 2542**
random-detect dscp-based
random-detect exponential-weighting-constant 7
random-detect dscp 26 50 80 10
random-detect dscp 28 15 40 5
Can someone tell me if the above configuration is self defeating ?
I have a guarantee bandwidth of 2542Kb, but traffic is being police at 1608000 bits = 1570Kb
cisco switch router qos
add a comment |
up vote
1
down vote
favorite
up vote
1
down vote
favorite
I understand bandwidth in QOS is use to guarantee a minimum bandwidth
I understand police in QOS is to set a limit to the maximum bandwidth.
class test_out
police **1608000** 50000 100000 conform-action set-dscp-transmit af31 exceed-action set-dscp-transmit af32 violate-action set-dscp-transmit 28
**bandwidth 2542**
random-detect dscp-based
random-detect exponential-weighting-constant 7
random-detect dscp 26 50 80 10
random-detect dscp 28 15 40 5
Can someone tell me if the above configuration is self defeating ?
I have a guarantee bandwidth of 2542Kb, but traffic is being police at 1608000 bits = 1570Kb
cisco switch router qos
I understand bandwidth in QOS is use to guarantee a minimum bandwidth
I understand police in QOS is to set a limit to the maximum bandwidth.
class test_out
police **1608000** 50000 100000 conform-action set-dscp-transmit af31 exceed-action set-dscp-transmit af32 violate-action set-dscp-transmit 28
**bandwidth 2542**
random-detect dscp-based
random-detect exponential-weighting-constant 7
random-detect dscp 26 50 80 10
random-detect dscp 28 15 40 5
Can someone tell me if the above configuration is self defeating ?
I have a guarantee bandwidth of 2542Kb, but traffic is being police at 1608000 bits = 1570Kb
cisco switch router qos
cisco switch router qos
asked 1 hour ago
Noob
28828
28828
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
up vote
2
down vote
I understand bandwidth in QOS is use to guarantee a minimum bandwidth
There is really a lot more to QoS than that.
I understand police in QOS is to set a limit to the maximum bandwidth.
Policing is dropping traffic that exceeds certain parameters.
To actually police, you need to drop traffic above your predefined bandwidth. You are still allowing all traffic, only setting the DSCP for traffic exceeding the bandwidth.
Normally, you use a priority queue to guarantee minimum bandwidth for a class, then drop any traffic exceeding the guaranteed minimum bandwidth. Do that in your policy map. For example:
policy-map Test
class VoIP
priority percent 23
police cir percent 23 conform-action transmit exceed-action drop
!
Your example configuration really isn't doing much for you.
See this two-part answer for more about QoS.
add a comment |
Your Answer
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "496"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
noCode: true, onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fnetworkengineering.stackexchange.com%2fquestions%2f55497%2fqos-police-vs-bandwidth-is-this-configuration-wrong%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
2
down vote
I understand bandwidth in QOS is use to guarantee a minimum bandwidth
There is really a lot more to QoS than that.
I understand police in QOS is to set a limit to the maximum bandwidth.
Policing is dropping traffic that exceeds certain parameters.
To actually police, you need to drop traffic above your predefined bandwidth. You are still allowing all traffic, only setting the DSCP for traffic exceeding the bandwidth.
Normally, you use a priority queue to guarantee minimum bandwidth for a class, then drop any traffic exceeding the guaranteed minimum bandwidth. Do that in your policy map. For example:
policy-map Test
class VoIP
priority percent 23
police cir percent 23 conform-action transmit exceed-action drop
!
Your example configuration really isn't doing much for you.
See this two-part answer for more about QoS.
add a comment |
up vote
2
down vote
I understand bandwidth in QOS is use to guarantee a minimum bandwidth
There is really a lot more to QoS than that.
I understand police in QOS is to set a limit to the maximum bandwidth.
Policing is dropping traffic that exceeds certain parameters.
To actually police, you need to drop traffic above your predefined bandwidth. You are still allowing all traffic, only setting the DSCP for traffic exceeding the bandwidth.
Normally, you use a priority queue to guarantee minimum bandwidth for a class, then drop any traffic exceeding the guaranteed minimum bandwidth. Do that in your policy map. For example:
policy-map Test
class VoIP
priority percent 23
police cir percent 23 conform-action transmit exceed-action drop
!
Your example configuration really isn't doing much for you.
See this two-part answer for more about QoS.
add a comment |
up vote
2
down vote
up vote
2
down vote
I understand bandwidth in QOS is use to guarantee a minimum bandwidth
There is really a lot more to QoS than that.
I understand police in QOS is to set a limit to the maximum bandwidth.
Policing is dropping traffic that exceeds certain parameters.
To actually police, you need to drop traffic above your predefined bandwidth. You are still allowing all traffic, only setting the DSCP for traffic exceeding the bandwidth.
Normally, you use a priority queue to guarantee minimum bandwidth for a class, then drop any traffic exceeding the guaranteed minimum bandwidth. Do that in your policy map. For example:
policy-map Test
class VoIP
priority percent 23
police cir percent 23 conform-action transmit exceed-action drop
!
Your example configuration really isn't doing much for you.
See this two-part answer for more about QoS.
I understand bandwidth in QOS is use to guarantee a minimum bandwidth
There is really a lot more to QoS than that.
I understand police in QOS is to set a limit to the maximum bandwidth.
Policing is dropping traffic that exceeds certain parameters.
To actually police, you need to drop traffic above your predefined bandwidth. You are still allowing all traffic, only setting the DSCP for traffic exceeding the bandwidth.
Normally, you use a priority queue to guarantee minimum bandwidth for a class, then drop any traffic exceeding the guaranteed minimum bandwidth. Do that in your policy map. For example:
policy-map Test
class VoIP
priority percent 23
police cir percent 23 conform-action transmit exceed-action drop
!
Your example configuration really isn't doing much for you.
See this two-part answer for more about QoS.
answered 1 hour ago
Ron Maupin♦
61.3k1161110
61.3k1161110
add a comment |
add a comment |
Thanks for contributing an answer to Network Engineering Stack Exchange!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Some of your past answers have not been well-received, and you're in danger of being blocked from answering.
Please pay close attention to the following guidance:
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fnetworkengineering.stackexchange.com%2fquestions%2f55497%2fqos-police-vs-bandwidth-is-this-configuration-wrong%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown