Cisco Switching/Routing :: 6509 Configure QoS On Gig Line Cards That Have 1P3Q8T Queue Structure
Nov 3, 2011
I previously put this is the 'Video over IP' discussions group, which is not getting any response.I have a 6509 and need to configure QoS on gig line cards that have 1P3Q8T queue structure. I've already got the mls qos configured, and have the correct class maps built for Voice, Video, and Signalling.(I'm not doing autoqos). I have only four classes; voice, video, signalling, and default (best effort).I need to configure the commands on the individual gig ports for the appropriate bandwidths as shown below:
1. 300 VoIP G711 calls x 100kbs/call = 30mbs of priority queue DSCP = EF (46) CoS = 5
2. 150 Video conference calls x 1.5mbs/call = 225mbs DSCP = CS4 (32) CoS = 4
3. 450 Signalling x 13kps/call = 5.8mbs (round to 6mbs) DSCP = CS3 (24) CoS = 3
4. Default class is not marked DSCP & CoS = 0
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May 28, 2013
I recently changed the entire configuration on two 6509 switches, and the fibre modules on slot 7 and 8 have gone down on BOTH switches. It would be easy to say that its a hardware fault but I cannot understand how module 7 and 8 can go down on both switches. Initially I thought it maybe due to IOS bug 22-33.SXI2a.bin" so I upgraded it to s72033-advipservicesk9_wan-mz.122-18.SXF12a.bin but it still down.These are the actions I have carrried out to try resolve the issue:
- Reverted back to orginal configs but no luck
- Tried to use "power enable" command but the status light on both modules seems to turn red and then go off again.
- I have also tried to put one of the fibre modules into a different slot but no joy
- Upgraded the IOS from 22-33.SXI2a. to 122-18.SXF12a
I am sure that hardware fault cannot occur on BOTH modules 7 & 8 on BOTH switches after config change.The error in the log shows that modules "failed to bring online because of registration timer event". I understand this means that it is unable to download the image within the allocated time. [code]
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Dec 7, 2011
Is it possible to configure the switchports on a 6500 linecard before it has been inserted?
So for example, I have a 6509 with slot 9 free. I'm going to install a 48 port line card. Is it possible to configure those 48 ports before the card is inserted?
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May 2, 2013
I need to trust and prioritize voip traffic on my 6509 core
at the moment I have mls qos trust dscp on the interface
Is this enough? or do I need to enable the priority queue? how do i do this ? as it doesnt accept the priority queue out command like a normal switch
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Mar 9, 2013
I can see drops on the 6509 Queue for interface gi1/6 , qos is disabled globaly with qos disabled all packets are in one Queue using best effort my question is if I can see drops using the sh queueing int Gi1/6 command why I am not seeing any drops when I run the Sh int (interface number ) command. [code]
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Nov 9, 2011
i have issues logging into one of our core switches.its a 6509 switch but i cannot log in remotely.when i try to console in on the console port, i cannot log in instead i get the above error message.I haven't rebooted yet but would it solve the problem as this switch is a production switch.
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Feb 14, 2012
I have a Cisco 4500 Sup 6 engine and I have two 48 port fiber line cards installed. When I do a show interfaces I do not see any of the Fiber cards. This is a new out of the box 4500 and I installed the Sup 6 Line card in Slot #1, And the two 48 port Fiber cards in Slots 2 and 3. Am I missing something, is there a command or set up procidure for the line cards. I just assumed they were plug and play
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Jul 17, 2012
I have two data centres connected via a L2 DWDM, my manager wants to look into using OTV to get rid of the layer 2 broadcasting issues.
Problem is the DWDM is 1000BaseSX, which is only supported on the N7K-F132XP-15. (and the N7K-M148GS-11 but that doesn't support FCOE, so many bloody caveats). From what I can gather OTV is not supported on the N7K-F132XP-15.
Is it possible to terminate the DWDM on the F1 card & loop another port from the F1 to a port on the N7K-M148GT-11 & run OTV on the M1????
Either using VDCs or just an isolated VLAN on the F1. Is there any better way to do this? Hardware has not yet been purchased.
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Apr 2, 2013
We need to move some line cards around on our 4510. The top slots have a 24Gbps backplane while the lower slots are limited to 6Gbps. Poor planning on our part has left us with installing a 10Gb line card in one of the bottom slots. I'd like to move a couple of the cards up top, to the bottom.
My question is simply will the switch magically preserve the configuration for those cards and change the slot number for me or will I need to reconfigure the interfaces for those cards I move?
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Feb 4, 2013
I have a requirement to upgrade some line cards in our 4510R-E chassis to ease some oversubscription due to the 6Gbps limit.
At the moment my plan is to upgrade three cards from WS-X4548-GB-RJ45 to X4648 to get the 24Gbps per card.
Supervisors are 6-E
1. Is this a viable plan?
2. If so can the cards be hot-swapped?
3. Would the new cards retain the existing interface settings of the previous cards?
4. Any gotchas to look out for?
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May 11, 2012
I would like to know whether WOL is supported on a N7K with 6.x code and F2 line cards. I also would like a how to for this. If it is not supported will an ip helper address to the broadcast address of the destination vlan SVI will suffice to get it workinng. If so I can restricht the forwarded broadcast to only the wol traffic.
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Aug 29, 2012
I read the document, [URL]
[
Q.I have Cisco 6700 Series line cards today with Centralized Forwarding Cards (CFCs). Are these line cards supported in a Cisco Supervisor Engine 2T system?
#
A. A Cisco Supervisor Engine 2T system will support all Cisco 6700 Series line cards with CFCs.
]
So, As long as the 67XX line card is using CFC, it is compatible with Sup-2T.
I also find the IOS release note indicate the 6704-10G with CFC is supported by Sup-2T, but it require 512M memory.
[URL]
The bug details is not disclosed. So I further search what the default memory size of the WS-F6700-CFC is, then I found here says it is only supported by Sup720 and no memory upgrade option, which means must upgrade to DFC4, in another words, it is not compatible with Sup-2T
[URL]
WS-F6700-CFC:
Centralized Forwarding Card (CFC) for use on WS-X67xx Ethernet modules. This daughter card is supported only by the Supervisor Engine 720. There are no memory options for this daughter card. default memory: 256M
So my question is: whether “WS-X6724-SFP with CFC” and “WS-X6704-10G with CFC” compatible with Sup-2T without upgrading to DFC4 daughter card, and do they support in VSS-2T?
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Apr 14, 2013
I wanted to know that in nexus 7009, can i use mix of F2/M1/M2 series line cards ? will they work with each other ? Lets say i have F2 line card and M2 line card, will servers attached to them will communicate with each other ?
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Jul 17, 2012
When quoting a WS-X6724-SFP line card for a Catalyst 6500:
1. If no Distributed Forwarding Card 3 (DFC3) is selected, can it be purchased at a later time as a spare part or the client needs to buy the line card with the DFC3 included from start?
2. Does each line card require a DFC3 in order to be able to perform localized forwarding decisions?
3. Does the DFC3 card is embedded in the line card physically?
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Jan 8, 2012
Client has Cisco 4507R+E chasis with SUP- 7L-E and he has WS-X4418-GB line card in stock can this line card work with E series chassis
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Nov 30, 2011
I need a 10G support on 4503 chassi with SUP II plus TS.Is any of the 10G line cards i.e. 4712 or 4606 supported on SUP II plus TS on 4503?
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Mar 25, 2013
I wonder are 4500-E series line cards (i.e. WS-X4648-GB-RJ45, WS-X4748-UPOE+E and WS-X4606-X2-E) supported on 4507R chassis? Datasheet says "Classic line cards may be deployed in both classic and E-Series chassis with either classic Cisco Catalyst 4500 Series supervisor engines or with the Cisco Catalyst 4500E Series Supervisor Engine." But it says nothing about E-Series line-cards being (or not) supported on classic chassis (like 4507R).
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Jun 30, 2008
Cisco Catalyst 6509 Chassis.We have moved a line card from slot 8 to slot 6, but config remains for the line card in slot 8 and nothing is seen in slot 6.
We are running on IOS Verison 12.2 (33SXH2A) i.e. VSS.Blade model number is WS-X6748.
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Jan 4, 2012
It is possible to add interface from different line cards reference ( for example N7K-148GT-11L and N7K-F132XP-15 ) to a vPC ? I ask you because I try it and I have the following error :
command failed: port not compatible [Capabilities FabricPath]
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Jan 13, 2012
I have a number of existing 4506 chassis type switches (the older non -E version) that I would like to roll out IP phones to. Instead of replacing the entire chassis, I would like to just replace the line cards in the switches with WS-X4548-GB-RJ45V. What or how much power supplies should I have in each switch to be able to power the 5 poe line cards (each port per line card will power an ip phone)?
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May 15, 2012
we need to install a line cards (WS-X4548-GB-RJ45, chassis WS-C4510R-E), on a chassis Ws-6504-E.where I can find information about compatibility?
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Nov 1, 2011
I have a Cisco 6509 connected (gig3/17) to a Cisco 3560 G switch (Gig 0/28). The 3560 switch Gig 0/26)is connected to a distribution switch on another network. The ip address on my 6500 is 10.120.11.244 255.255.252.0 and the ip address on my 3560 is 10.120.11.211. The ip address given to me by the other network is 10.162.20.10 255.255.255.252. How do I configure the new vlan in this situation and the ip address given to me.
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Oct 1, 2012
I have configured the VSS in two cisco 6509-E series with only one supervisor engine, but if i configured with two supervisor engine. it is going to common mode. One supervisor engine is 3c and 3cxl.
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Dec 3, 2012
Disable wrr-queue cos-map on 6509 interface?.I have the following config on one of the interfaces that i would like to remove:
[code]...
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Mar 9, 2010
Is it possible to have multiple dhcp pools for multiple VLANs? The switch is a 6509 and/or 4506 catalyst. I don't want to use server-based products.
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Mar 8, 2012
I am working on a QoS design which I hope to test at some point, but at this stage its from the books.My question is how to decide which queue and threshold to use for video traffic, then lower priority traffic.I understand the shaping and sharing commands, its the queuing and threshold bit I'm not clear on.The plan is to use the priority-queue for EF marked voice, this will be policed on ingress to provide an upper limit to EF traffic levels, then my second priority traffic will be video. Which queue will get serviced first once the priority queue is empty, and how do I decide which threshold to allocate my video traffic to? The document ion is not at all clear, I want to prioritse my traffic in the following order:
1 voice, use the priority queue
2 video, this to get serviced ahead of data, after voice.
3 interactive data
4 Bulk data
5 Best effort
So Q1 settings are ignored due to priority queue. Q2 gets 70%, Q3 25% etc.Is it as simple as putting video into Q2 T1, then interactive data into Q2 T2, will Q2T1 get a higher priority over Q2 T2 once the PQ is serviced?
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Apr 30, 2013
We currently have a site with a very simple topology that uses a 3750X switch stack for a collapsed core. Everyday, the users have a conference call and experience poor voice quality.Its not bad when users call from several conference phones, but when everyone calls in on individual phones, there is choppy and almost inaudible voice quality experienced. The voice traffic flow would be as follows: Phone <-> 3750 switch <-> Voice GW We have packet captures showing that RTP packet loss is occuring from the phone to the voice gateway, but none from the voice gateway to the phones. We also have drops in the output queues that match drops on the asics. I can reset the counters and they will be clear until the call, and then they increment significantly during the call. The voice gateway and phones are non-Cisco. The switch stack has 6 switches. We are trusting the DSCP settings on the phones. All the queue drops from the phones are usually in queues 0-3, but all drops on the voice gateway is in queue 0. Below are the QoS settings; they are mostly default and we have not changed any queuing, thresholds, or buffers. Should we specify larger buffers and threshold for a designated queue and send EF traffic to that queue?
MySwitch#sh mls qos
QoS is enabled
QoS ip packet dscp rewrite is disabled
Typical Port
GigabitEthernet1/0/4
trust state: trust dscp
[code].....
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May 29, 2013
We're having some issues with a 3560 CPE. It's uplink is a GE fiber link, customer port is FE RJ45. We see a lot of TX-frames being dropped at the FE port,but none at the GE port. Even when the customer is only at ~50Mbit/s downstream traffic. When customer sending ~50Mbit/s upstream, there are no TX- drops at the GE link. Is this a normal behaviour? From what I know the physical medium shouldn't have any inpact on this since drops occurs in the port- asic, and not in physical transmission.Do the buffer-sizes between GE and FE differ? What could we do to optimize the flow and reduce drops? QoS is set to off and no modifications on the queues have been made on the interfaces.
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Jan 22, 2013
We are upgrading from 3550 - 3560 switches.On the 3550's we have this on each interface: [code] The 3550's wont accept the wrr-queue commands. How to set these on the 3560's.
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Mar 8, 2012
I have a 2921 where I am shaping some traffic based on sub net on my lan. I have applied the shaping policy to the lan interface in the outgoing direction.
Topology is as follows:
ISP - ASA - ROUTER - LAN
Policy map:
Policy Map shape-lan
[code]....
I am seeing a lot of no-buffer drops on the policy and I am wondering what the best solution is to solve this:
Class-map: tc-class (match-any)
8730680 packets, 10803689863 bytes
5 minute offered rate 4453000 bps, drop rate 0 bps
[code]....
Should I just be increasing the queue-limit or should I be changing something else?
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Apr 16, 2012
I've been working on breaking down and understanding the default auto qos configuration on a Cisco 3750 in the hopes of putting together a QoS strategy that will fit our environment. I'm having some difficulty understanding how the "mls qos queue-set output" syntax works.
From another post, at [URL], the author offers the following example and explanation;
mls qos queue-set output <1/2> threshold 2 400 400 100 400thresshold 1: 400%
thresshold 2: 400%
thresshold 3: 100% (implicit, not configurable)
reserved: 100%
max: 400%
However, I'm having trouble understanding what is meant. Here, it looks like it's saying, for example;
mls qos queue-set output 1 threshold 2 400 400 100 400
How come there is syntax stating "threshold 2" when in the succeeding part the 400 refers to thresshold 1 and threshold 2 again? The syntax 400 400 is, apparently, already referring to thresshold 1 and 2, no?
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Feb 20, 2013
One one of our Cisco 6509s I've globally enabled QoS and set a port to "trust cos". However when I look at the queueing for that interface, I notice that the receive queue thresholds have not changed to the default.
I'm kind of new to QoS so I'm not sure if I'm missing something.
We are using a Cisco 6509 running 12.2(33)SXI3 using the WS-X6724-SFP card. I thought I'd be seeing the default tail-drop thresholds, but instead I still see the defaults as if QoS were not enabled:
Queueing Mode In Rx direction: mode-cos
Receive queues [type = 1q8t]:
Queue Id Scheduling Num of thresholds
[Code].....
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Jul 14, 2011
We know that every node in the network uses its routing table to forward the packets towards their destination. I have a doubt that which data structure used to implement these routing protocols.
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