Max-reserved-bandwidth 100% for the interface

According to CCO as following text, the remaining 25 percent of bandwidth is used for overhead, including Layer 2 overhead, control traffic, and best-effort traffic. I want to know why cisco choose 25 percent. why not 30% or 20%?
If I config the max-reserved-bandwidth 100% for the interface, does it will effect the routing protocol? also effect the network conectivity?
thanks for your answer
=======
Usage Guidelines for max-reserved-bandwidth
The sum of all bandwidth allocation on an interface should not exceed 75 percent of the available bandwidth on an interface. The remaining 25 percent of bandwidth is used for overhead, including Layer 2 overhead, control traffic, and best-effort traffic.
If you need to allocate more than 75 percent for RSVP, CBWFQ, LLQ, IP RTP Priority, Frame Relay IP RTP Priority, and Frame Relay PIPQ, you can use the max-reserved-bandwidth command. The percent argument specifies the maximum percentage of the total interface bandwidth that can be used.
If you do use the max-reserved-bandwidth command, make sure that not too much bandwidth is taken away from best-effort and control traffic.
The max-reserved-bandwidth command is intended for use on main interfaces only; it has no effect on virtual circuits (VCs) or ATM permanent virtual circuits (PVCs).

Kevin,
this is the wrong group for this question.
Gilles.

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Available bandwindth and 'max-reserved bandwidth'

Is the max-reserved bandwidth only important when working with Qos classes and the bandwidth statement? Is the default 75% available bandwidth only used then?
In other words if I have a 100MB link with a service policy applied for Voice, Call-Control and video. After that I notice the available bandwidth on thie 100MB link is 61280 kilobits/sec.
If I put in a 'max-reserved bandwidth 95' would I reclaim another 20MB of bandwidth for the class-default? Would leaving 5% on the 100MB link for routing and other stuff be acceptable?
Here is the config and show commands:
class-map match-any Call-Control
match ip dscp cs3
match ip dscp af31
class-map match-any Video
match ip dscp af41
class-map match-any Voice
match ip dscp ef
policy-map QOS_classes_to_ACN
class Voice
priority 10000
class Call-Control
bandwidth 500
class Video
bandwidth 3220
class class-default
fair-queue
random-detect
interface FastEthernet6/0
description 100MB Link to ACN
ip address xxx.xxx.xxx.xxx xxx.xxx.xxx.xxx
ip route-cache flow
no ip mroute-cache
load-interval 30
duplex full
speed 100
service-policy output QOS_classes_to_ACN
ROC-RT7206-QMOE#sh int f6/0
FastEthernet6/0 is up, line protocol is up
Hardware is i82543 (Livengood), address is 00b0.4a28.3ca8 (bia 00b0.4a28.3ca8)
Description: 100MB Link to ACN
Internet address is xxx.xxx.xxx.xxx/xx
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 183/255, rxload 21/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, 100BaseTX/FX
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:03, output 00:00:00, output hang never
Last clearing of "show interface" counters 01:13:30
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 5211742
Queueing strategy: Class-based queueing
Output queue: 70/1000/64/5211742 (size/max total/threshold/drops)
Conversations 2/35/256 (active/max active/max total)
Reserved Conversations 2/2 (allocated/max allocated)
Available Bandwidth 61280 kilobits/sec <--- Available bandwidth
30 second input rate 8615000 bits/sec, 6860 packets/sec
30 second output rate 71788000 bits/sec, 7484 packets/sec
31692173 packets input, 4263195179 bytes
Received 1204 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog
0 input packets with dribble condition detected
34536300 packets output, 2513155446 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out

Here is the output of show policy-pam int:
ROC-RT7206-QMOE#sh policy-map int f6/0
FastEthernet6/0
Service-policy output: QOS_classes_to_ACN
Class-map: Voice (match-any)
3417571 packets, 934178998 bytes
30 second offered rate 1722000 bps, drop rate 0 bps
Match: ip dscp ef (46)
3417571 packets, 934178998 bytes
30 second rate 1722000 bps
Queueing
Strict Priority
Output Queue: Conversation 264
Bandwidth 10000 (kbps) Burst 250000 (Bytes)
(pkts matched/bytes matched) 1908656/521903140
(total drops/bytes drops) 0/0
Class-map: Call-Control (match-any)
615085 packets, 48926098 bytes
30 second offered rate 84000 bps, drop rate 0 bps
Match: ip dscp cs3 (24)
588857 packets, 47299978 bytes
30 second rate 81000 bps
Match: ip dscp af31 (26)
26228 packets, 1626120 bytes
30 second rate 2000 bps
Queueing
Output Queue: Conversation 265
Bandwidth 500 (kbps) Max Threshold 64 (packets)
(pkts matched/bytes matched) 337953/26882724
(depth/total drops/no-buffer drops) 0/0/0
Class-map: Video (match-any)
146136 packets, 82165408 bytes
30 second offered rate 90000 bps, drop rate 0 bps
Match: ip dscp af41 (34)
146136 packets, 82165408 bytes
30 second rate 90000 bps
Queueing
Output Queue: Conversation 266
Bandwidth 3220 (kbps) Max Threshold 64 (packets)
(pkts matched/bytes matched) 81687/45950190
(depth/total drops/no-buffer drops) 0/0/0
Class-map: class-default (match-any)
35227089 packets, 47492000208 bytes
30 second offered rate 87718000 bps, drop rate 14714000 bps
Match: any
Queueing
Flow Based Fair Queueing
Maximum Number of Hashed Queues 256
(total queued/total drops/no-buffer drops) 0/5171786/0
exponential weight: 9
class Transmitted Random drop Tail drop Minimum Maximum Mark
pkts/bytes pkts/bytes pkts/bytes thresh thresh prob
0 30181523/39910255774 1297726/1944176143 3893194/5836883998 20 40 1/10
1 0/0 0/0 0/0 22 40 1/10
2 0/0 0/0 0/0 24 40 1/10
3 0/0 0/0 0/0 26 40 1/10
4 0/0 0/0 0/0 28 40 1/10
5 0/0 0/0 0/0 30 40 1/10
6 1213/88749 0/0 0/0 32 40 1/10
7 0/0 0/0 0/0 34 40 1/10
rsvp 0/0 0/0 0/0 36 40 1/10

Max-reserved bandwidth confusion

Hi all,
Can someone please help me to understand bandwidth reservation for CBWFQ.
By default you cannot allocate more than 75% of the interface bandwidth to your classes. My question is what is the point? theoretically it is reserved for your routing protocols etc.etc. but in reality if the interface is saturated isn't that extra 25% used by whatever traffic anyway? it not like you guarantee a maximum of 75%, you guarantee a minimum of 75% so the additional 25% is still up for grabs, it's just that it's not reserved for any class in particular.
hope the question makes sense.
Thanks,
Andres

Hi Andres,
On low speed links, WFQ is the default. So in the case that you have a link with less than 768 kbps, it will be running WFQ. With WFQ, it's not so much 'up for grabs'. WFQ is based on packet size, DSCP values, and time in queue.
Generally, router control packets aren't very large, and by default they are usually in the DSCP 48-64 range, which is very high. So in this case, the control packets are very high priority.
As well, control packets are marked with a special tag on the backplane of most routers (platform specific) to give an even high level of precedence within the router.
When the max-reserved bandwidth is a very high value, it is more likely for the traffic to have a higher interference with these two methods (particularly the first).
hth,
nick

No Implementing class registered for the Interface : ES-TransportationOrderSCMExecutionRequest_In

Dear PI Experts,
I'm currently working on an integrated solution between TM <=> PI <=>ECC. When I trigger the Shipment creation from TM to ECC, I received an error in the SXMB_MONI of ECC.
In the XML, I figured the error that No Implementing class registered for the Interface TransportationOrderSCMExecutionRequest_In .
May I ask you advices on this issue? Is it a mapping error on ECC or PI Side?
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Proxy has been generated for the Inbound Message interface and i could see the SXMB_MONI entry in Red on the target system.
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Hi Chaitanya,
Try the below configuration in SXMB_ADM,if you don't have the authorisations to SXMB_MONI ask BASIS guys to do the below activities.
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No implementing class registered for the interface

Hello,
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Regards
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i tried following solution also from old messages in SDN -
Go to SXMB_ADM.
Execute Integration Engine
EDIT-> Change Global configuration data
Select the Role of Business System is Integration Server
Again started getting error-PROXY_NOT_ALLOWED_ON_IS:
Proxy calls are not permitted on sender or receiver side on the IS (client)</SAP:Stack>
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Select the Role of Business System is Application system.
it seems it's going in loop....

Is Verizon reducing $100 for the first generation iPad?

Is Verizon reducing $100 for the first generation iPad?

Hi Manaka,
We are not currently aware of any price reduction of $100.00 on the current Ipad. Please check the Verizon Wireless website for current pricing and discounts as pricing is subject to change without notice. I am providing a link for further information.
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Mapping for the interfaces

Hi all !
I am new to interfaces and as a functional cosultant I have to do couple of functional specs for the interfaces and also the mapping ...what should be my approach
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2. another example would be I need to grab required data from a third party tool into the credit master data on the cutomer ... how can I do this ...
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Hello
In simple words, an interface is a 3rd party software. SAP and this software exchange data in 2 way channel.In layman's words, we need a program which can download data and process and record in SAP.
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First draw the process flow / how and what data is involved. Make a visio diagram.
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assign points if useful

Proxy :No implementing class registered for the interface

<b>Hi
I am executing an Out bound proxy from client 101.
when i execute the proxy, i could see the following error in moni.
error info----
No implementing class registered for the interface (type ifmmessif, name PORequest_Out, namespace http://sap.com/xi/3A4/Purchasing/proxytoRfc)
end of error info----
Any tips fro the experts??
Regards</b>chandra<b></b>

Hi Chandra,
You need to activate both the classes and the interfaces.
Try to regenerate and activate once again.
http://help.sap.com/saphelp_nw2004s/helpdata/en/86/58cd3b11571962e10000000a11402f/frameset.htm
Also refer the blog mentioned by earlier post.
Hope this helps,
regards,
Moorthy

How do i query the module object for the interface of the module-specific interface I require

Hi there.
Currently using LabVIEW 2012/TestStand 2012.
I am attempting to edit the LabVIEW Text Sequence Translator, and in the CreateStep.vi I am trying to create a step that is of type WIS_Sequence_Call (a custom version of NI_Types.ini-->SequenceCall).
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See my snippet below.
Thanks.

Thanks for the reply Charles.
I have been using the 2012 version of the poster.
I can get access to the Module class from the Step Class as shown in the snippet above, but I can't see how to get to SequenceCallModule? The "To more specific class" VI doesn't seem to work for TS refs. Is there no way to derive the SequenceCallModule from this?
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How do i query the module object for the interface of the module-specific interface I require

Hi there.
Currently using LabVIEW 2012/TestStand 2012.
I am attempting to edit the LabVIEW Text Sequence Translator, and in the CreateStep.vi I am trying to create a step that is of type WIS_Sequence_Call (a custom version of NI_Types.ini-->SequenceCall).
I need to set the file pathname, sequence name and parameter values in the step. I believe I need to get access to the SequenceCallModule class to do this.
This help file SequenceCallModule states in the description: "To access the properties and methods of a specific module class, query the Module object for the interface of the module-specific interface you want to acquire.".
What exactly is meant by "query" here? It looks like "Specify" might be what I am after, but I want this done programmatically, ie no dialog boxes.
See my snippet below.
Thanks.
Christopher Farmer
Certified LabVIEW Architect
Certified TestStand Developer
http://wiredinsoftware.com.au
Solved!
Go to Solution.

Thanks for the reply Charles.
I have been using the 2012 version of the poster.
I can get access to the Module class from the Step Class as shown in the snippet above, but I can't see how to get to SequenceCallModule? The "To more specific class" VI doesn't seem to work for TS refs. Is there no way to derive the SequenceCallModule from this?
Also I can use the TSAdp.SequenceCallModule reference, but I need to link this to the relevant step that I've just created. Can NI please provide me with a link to any examples on this?
Thanks
Christopher Farmer
Certified LabVIEW Architect
Certified TestStand Developer
http://wiredinsoftware.com.au

Error: the QueryInterface call on the COM component for the interface with IID '{00063033-0000-0000-C000-000000000046}' failed due to the following error: Library not registered.

I have a outlook 2007 plugin created in VS 2008 that reads calendar meetings. This plugin also works with outlook 2010. I used to debug this application from VS 2010 as well.
Last month, I installed Office 365 to test something. Later I uninstalled this version but after that my plugin application is crashing, every time a new appointment/meeting is created in calendar.
I get the below error:
Unable to cast COM object of type 'System.__ComObject' to interface type 'Microsoft.Office.Interop.Outlook._AppointmentItem'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{00063033-0000-0000-C000-000000000046}'
failed due to the following error: Library not registered. (Exception from HRESULT: 0x8002801D (TYPE_E_LIBNOTREGISTERED)).
Tekriti Software

Thanks for your sharing and have a nice day.
Yoyo Jiang[MSFT]
MSDN Community Support | Feedback to us
Develop and promote your apps in Windows Store
Please remember to mark the replies as answers if they help and unmark them if they provide no help.

I am a student working on a project for school and I need to know the bandwidth options for the iPad mini with retina display

I am working on a project where I am required to introduce a new product for consideration in the hospital setting. I have chosen the iPad mini, and have been able to locate the information that I need except for the bandwidth options. Any help would be appreciated.

I don't know what you mean by "bandwidth options". If you mean the frequencies and bands the iPad can use with cell carriers, those are listed in the Wireless and Cellular area of the tech specs. For iPads sold in the US, see:
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Max-reserved-bandwidth 100% for the interface

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