Cisco Switching/Routing :: Rate Limit Traffic In 3560

Oct 20, 2011

I am using Cisco 3560 as distrubution switch and want to limit port 445 traffic on 1 MB and applied rate limit statment on Gi0/1 port but switch unable to limit said traffic.rate-limit output access-group 120 1024000 128000 128000 conform-action transmit exceed-action drop.

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Cisco Switching/Routing :: Rate Limit 3560 Outbound To 5mb?

Jun 9, 2013

How to rate limit a 3560 inbound and outbound using different QoS methods. I've read about vlan class maps/policy maps, using the rate limit command on the physical interface, using the srr-queue bandwidth command(it's a gig switch so not sure that would work) and marking all packets and then applying QoS.  I'm just learning QoS so trying to figure all of this out and find the best way to do things.
Also, I was told to do this because it's not advisable to have a connection to your ISP that is not 10mb or 100mb on a switch, since they are not divisible by 10 and it can cause issues? 

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Cisco Switching/Routing :: 3560 Rate-limit Vs Policing And Shaping

Nov 27, 2011

I am configuring a 3560 to provide internet access for our customers and I need to make sure they don't use more bandwidth than they have contracted for.I see that the 3560 supports the rate-limit command, but was told that I should use traffic shaping and policing along with access lists to manage the bandwidth.Is there a reason that I should avoid using the rate-limit command - it looks much simpler.

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Cisco Switching/Routing :: 6513 - Rate Limit And Traffic Shaping?

Mar 21, 2012

I am looking for step-by-step configuration on how to enable rate-limit and traffic shaping on Cisco 6513 vlan interfaces.  I am not able to find this particular document on CCO.

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Cisco Switching/Routing :: How To Limit Broadcast Traffic On 3560 Switch Port

Dec 17, 2012

How do I limit broadcast/mulitcast traffic on a switchport to e.g. 5000 pps ? I don't want the port to shut down, just block or drop broadcast traffic that exceeds 5000 pps.

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Cisco Switching/Routing :: 3560 - Traffic Only Can Achieve Half Of Limit Bandwidth

Jul 15, 2009

I use WS-C3560G-24TS and try both ios 12.2.50.SE1 and 12.2.46.SE but problem the same. The config as following,
interface GigabitEthernet0/1
no switchport
ip address
but I find the int g0/1 output traffic only can achieve about 500kbps then I try config below,

interface GigabitEthernet0/1
no switchport
I find int g0/1 output traffic only can achieve about 5Mbps,but if I change "srr-queue bandwidth limit xx" command xx to 20-90,the int g0/1 can achieve normal traffic bps, for example,

interface GigabitEthernet0/1
no switchport
the int g0/1 output can achieve 2Mbps that is correct,just only when limit set to 10%,the traffic only can achieve half of limit bandwidth.

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Cisco Switching/Routing :: Rate Limit Configuration On 2950

Jun 10, 2012

I configured rate limit on cisco 2960 switch sexuss fully, but i could not configure in cisco 2950 (verson 12.1 (22).To confiure the same on 2950

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Cisco Switching/Routing :: Rate Limit 2960 Port To 1 MB

Nov 5, 2009

To rate limit the 2960 switch port to 1 MB.I have made the specified chnages , how ever still it is reaching more tha 1 MB
Hard coded the bandwidth of port to 10 MB and have applied the specified command srr-queue bandwidth limit 10.

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Cisco Switching/Routing :: WS-C3560-24PS - Rate Limit And QoS

Mar 4, 2012

I am having an issue with VoiP phones giving me an insufficient bandwidth message.  I have three remote locations connected to our main building using 2 Mb point to point ethernet solutions through TWC.  Each remote location has a Cisco WS-C3560-24PS running IOS C3560-IPBASE-M, version 12.2(25) and have the cable modems plugged into port 1 on them.  The remote buildings are labeled,, and  There are 14-16 VoiP phones in each remote building.  The main building being in the subnet of  I have the 3560s connecting to a single port on a 2801 in the main building, all using the subnet of  The phone server sits in our network at  I have created the ACLs, class maps, and policy maps on all of the equipment. 
For the remote buildings I have the following:
Extended IP access list VOIP
permit tcp any host dscp ef
permit tcp any host eq 5566


I have put a hub in to capture traffic via Wireshark to see if DSCP flags are being appropriately marked and I do see that all VoiP packets are getting marked with as EF.  However, I have been receiving phone calls from people in the remote buildings stating that their phones will cut out, flash Insufficient Bandwidth on the LCD displays and then the call will cut back in.  I am wondering if the 2801 is not applying QoS with the rate-limits in mind since it is set to 100 Mb, or is it an issue with trying to take 3 remote locations and bring them down into 1 port on the 2801?

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Cisco Switching/Routing :: 6509 - IP Multicast Rate Limit

Nov 26, 2012

How is it i can implement the command 'ip multicast rate-limit out group-list <access-list>' but i get the error "ip multicast rate-limit" command is not supported on 6509?

Is it an IOS limitation or a limitation of the switch series and subsequently can't be used at all?

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Cisco Switching/Routing :: 6509-E - Rate Limit PPS On Interface?

Jun 8, 2013

How (and is) it possible to rate limit pps on an interface (physical/logical), on a 6509-E?The porpuse is to protect from attacks which lead to very high pps, bypassing traffic rate-limits, and effecting the device's performance

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Cisco Switching/Routing :: Rate Limit Trunk Port On 3750?

Oct 3, 2012

Is it possible to rate limit on a L2 trunk port on a 3750?
current port config and ios are as follows;
interface GigabitEthernet1/0/50
description ***  Connection to Fiber Link  ***
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,172
switchport mode trunk
i was wondering if the "srr-queue bandwidth limit 10" command would work to limit the output from this interface to be 10 % of the port bandwidth and then the same command could be done on the other side.

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Cisco Switching/Routing :: 3750x Switch Port Rate Limit

Oct 8, 2012

I want to limit the bandwidth going to remote site on the switch connecting to our netapp.We have a 4 port channel group setup on our 3750x switch going to our netapp storage. We have a Wan 100mb link to our remote site and we want only 60MBs of that link to be used for Netapp traffic all other local traffic needs to use the full amount of the bandwidth to the netapp.
Is possible to allocate bandwidth in this way and how would I go about this? We dont have access to the routers for the link and they plug directly into a port on our cisco.

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Cisco Switching/Routing :: 3750 - SRR-Queue Bandwidth Rate Limit?

Feb 25, 2013

If I have an interface configured as follows (on a Cisco 3750 Switch)
Interface gi 1/0/24
Bandwidth 100000
And then added the following command
srr-queue bandwidth limit 40
Would the result be 40% of the physical 1Gbps interface or 40% of the 100Mbps Bandwidth set under the interface bandwidth command.

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Cisco Switching/Routing :: Rate Limiting On 3560 Switch Not Working

Oct 30, 2011

I am trying to limit traffic inbound to 10Mbps on a gig interface 0/48 set to 100/full.  So I downloaded some big files over this link and I'm able to see 30- 40Mbps or more.  You can see from the show int - rate-limit command that parameters are never showing exceented so nothing has been dropped.  [code]

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Cisco WAN :: Restricting Multi Casting And Rate Limiting Traffic On 3560

Jul 18, 2011

i have to restrict that router and switches shall join only given multicasts. Means if i change multicast in TVG430 from to than it shall be blocked.My TX rate i set to 20 Mbits on TVG430, i want to rate-limit it to 15 Mbits on switch on Ingress int gi 0/23 or egress gi 0/24 included are three show runs output.ip multicast rate-limit out group-list GROUP source-list SOURCE.

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Cisco Switching/Routing :: Asymmetric Bandwidth Limit On Cat2960 Or 3560?

Apr 9, 2013

I have the requirement to assign an asymmetric bandwith limit to each port on a switch (example: 4Mbps downlink, 1Mbps uplink). I've been searching and found the option to apply policers or srr-queue mechanism to achive this, however this only applies for one direction only as far as I know. Catalyst 2960 familiy is preferred, however if this is not possible, will possibly jump to the 3560X family.

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Cisco Switching/Routing :: 3560 - Limit Bandwidth For Specific User On Switch Or Router?

Jan 24, 2013

configuring a switch or a router to limit the bandwidth for a specific user/IP when need it. Most of my remote offices are configured like this:
Users ------ 3560 switch ------- 2801 router -------- T1 to NOC -------- 7204 router with channelized DS3
I use Netflow Analyzer for high bandwidth usage alerts and can see the user's IP right away when someone is clogging our T1s. My goal is to be able to temporarily limit the bandwidth of the user taking over the T1.  Whatever is best switch config or on the router.

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Cisco Switching/Routing :: 4500 - STM-4 (622) / How To Limit FTP Traffic

Mar 10, 2012

I have the attached setup. now i would like to limit my ftp transfer to 10 mb  from a specific vlan to ftp server on the STM-4 (622) link.  what would be the best way to limit ftp traffic to 10 mb .
following is  my switch deatils
Video_Main#sh verCisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSAL-M), Version 03.02.00.SG RELEASE SOFTWARE (fc4)Technical Support:

Cisco IOS-XE software, Copyright (c) 2005-2010 by cisco Systems, Inc.All rights reserved.  Certain components of Cisco IOS-XE software arelicensed under the GNU General Public License ("GPL") Version 2.0.  Thesoftware code licensed under GPL Version 2.0 is free software that comeswith ABSOLUTELY NO WARRANTY.  You can redistribute and/or modify suchGPL code under the terms of GPL Version 2.0.  For more details, see thedocumentation or "License Notice" file accompanying the IOS-XE software,or the applicable URL provided on the flyer accompanying the IOS-XEsoftware.


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Cisco Switching/Routing :: 800 Series - Limit Monthly Traffic On 3G Access

Oct 29, 2012

Is it possible to configure a limit on monthly traffic over a 3G access on a Cisco 800 Series?
The scenario is that a customer has a Cisco 800 3G routers with a 3G card from a Service Provider, that offers a rate for X Mbytes per month and that when those monthly X Mbps are exceeded, a differente rate (much more expensive) is applied for the excess traffic that month. The customer would like to have the router NOT to active the 3G access when the X Mbytes (on that month) are exceeded. Maybe this is possible to implement using a TCL script and ip accounting?

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Cisco Switching/Routing :: 6509 QOS To Limit Bandwidth For Internet Traffic

Nov 5, 2012

We run a workers camp here and we currently have around 2500-3000 people using our 100MB internet pipe.  We are upgrading the pipe to 200MB soon but I still would like to limit how much bandwidth everyone is using.
We allow streaming media such as Netflix, youtube, apple TV and of course .So it gets full pretty fast.  We have QOS implemented although I wasn't here when it was done so I don't know a lot about it.  I would like to limit IPs to a certain amount of bandwidth. [code]

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Cisco Switching/Routing :: 3560 Redirect Internet Traffic

Nov 24, 2011

At one of my field offices I want to redirect internet traffic down a separate DSL connection instead of having it ride the T1 back to the main office then going out.  At this office I have a 2600 router, 3560 switch, with a Fortigate firewall in between DSL connection and LAN, Fa0/0 on router and firewall are both plugged in to switch.  I have seen posts that mention PBR or static routes which is the reccomended method for dealing with this? 

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Cisco Switching/Routing :: Limiting Traffic Rates On 3560 Switchports

Jul 19, 2012

I have a 3560 switch where I have 4 ports connected, one is to our WAN provider - 10Mbps and the other three are connected to different customers who I want to get an equal share of the 10Mbps bandwidth.I'm fairly clued up about configuring modular QoS but I'm being thrown by the fact that you can't apply a service-policy outbound on the ethernet ports.

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Cisco Switching/Routing :: 3750 - Show Interface Vlan (ID) Doesn't Show In / Out Traffic Rate

Mar 13, 2013

I have configured a vlan interface on a 3750 switch. there is aprox 4Mb active traffic flowing through the interface, but when I do a "show interface vlan (vlanid)" the output show zero bits in and zero bits out. Its a typical L3 config with one IP on the vllan interface acting as the gateway for the VLAN devices. Is this a normal behaviur ? and if so is there any way to get the traffic in/out stats. The end PC/devices are connected to this switch via an L2 TRUNK and I dont have access to the L2 switch on which the actual devices connect. so cant get the real time stats of those interfaces.

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Cisco Switching/Routing :: Air-Print / Bonjour Traffic Not Flowing On 3560 Switches

Jan 16, 2013

We are in the process of rolling out iPads to our offices.  As part of this implementation, we need to print from the iPads to our network printers.  Our network printers are mostly HP and Xerox and do not have native Apple AirPrint capabilities.  As such, we have been using the FingerPrint software to share out the network printers as Apple AirPrint printers.  We have a mixture of switches at our offices.  Most offices utilize a 3550 PoE switch.  In these offices the AirPrint traffic is being transferred successfully and everything works great. In the offices which are using 3560 PoE switches, the traffic is never seen at the iPads.  We are using EnGenius EAP300 access points connected into the Cisco switches to provide wireless access to the iPads. Both 3550 and 3560 switches are running iOS 12.2(25). What might be stopping/blocking the AirPrint traffic on the 3560 switches?

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Cisco Switching/Routing :: 3560 - Configuring Qos / Traffic To Go Into High Priority Queue

Nov 19, 2012

i have a 3560 connecting to a sp with limited bandwidth. i have one interface on the switch whose traffic i do not want to drop. i want this traffic to go into the high priority queue. i am not sure how this should be configured, but here is my best guess and my current qos configuration on the switch:
qos map cos-dscp 0 8 16 26 32 46 48 56
mls qos srr-queue output cos-map queue 1 threshold 3 5
mls qos srr-queue output cos-map queue 2 threshold 1 4 6 7
mls qos srr-queue output cos-map queue 2 threshold 2 3(code)
since cos 5 is mapped to dscp 46 then this traffic would go into the priority queue. is this correct ?

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Cisco Switching/Routing :: 6500 / 3560 - Get L2 Traffic Amount (bit / Byte) Passing Through Switch

May 30, 2012

We want to get L2 traffic amount (bit/byte) passing through a cisco switch (6500/3560 ...) for a specific VLAN. it can be via SNMP or CLI ...How can we do that?
note: there is no L3 interface on swtiches.

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Cisco Switching/Routing :: 3560 - HSRP Setup / S2 Active And Route Traffic From Internet To Client?

Jan 14, 2012

i have a strange issue with an HSRP Setup. I  have two (S1+S2) 3560 as Core/Distribution Layer. Inter-vlan routing are  enabled on both Switches. S1 and S2 are connected with an ether channel  over four fibre ports. S3 -S5 are the (L2) access layer.
Gi0/1 on S1 and S2 are L3 ports, connect to a Linux Firewall.

HSRP is enabled, S1 is the active router and the STP root bridge.
But, my monitoring via cacti show me, that the Gi0/1 on S2 is active, too! But it should not be active? Only if S1 fails, should S2 the active switch.A client from the access ports on S3 - 5 gets traffic from the Internet via Gi0/1 from S2. Gi0/1 on S1 is active too, but will send mostly traffic to the Internet. Why is S2 active and why route it traffic from the Internet to the client?

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Cisco WAN :: 2821 When Traffic Is Less Error Rate Is Low But With High Traffic It Is Increasing Drastically

Dec 11, 2010

We have cisoc 2821 at one of branch and created five sub inetrfaces for different vlans.Output of Show interface shows very frequent increase in the input error count.I have changed the physical cable and switch port on the other side.But still error rate is increasing.When the traffic is less error rate is low but with high traffic it is increasing drastically.My router process is very less(4%) only.What could be possible reason. [code]

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Cisco WAN :: 3700 Rate Limit In Interface

Feb 24, 2011

I am not able to disable rate limit comand from Cisco 3700 series router. I have tried with no rate limit command in the interface .Command is taking but still the rate limit comman in the interface.

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Cisco WAN :: Rate Limit On 3750v2 SVIs

Dec 6, 2011

I have a stack of Cisco 3750v2 switches with 8 VLANs (one per customer) and 8 SVI's (again, one per customer).  I am trying to apply rate limiting to the SVI's of each vlan for both input and output traffic.  This is my SVI configuration for one such VLAN (I have substituted the real IPs for prviate IPs for the purposes of this example) -
interface Vlan30
description ****CUST-C-VL30-SUBRATE-CAR-10M****
ip address


Based on this and the speed tests I am performing from within the VLAN i am receiving the full bandwidth and not what should be assigned based on the rate limiting.  Have I missed anything as far as the configuration goes?

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Cisco Firewall :: ASA 5510 Ver 8.2 Rate Limit

Jan 17, 2012

I'm trying to limit one of my inside hosts, since it's been a little of a hog. I have 3Mb available from my ISP via 2x T1. I'm testing this on a computer in a lab:
PC Inside - ASA - Outside 208.66.x.1------------------------208.66.x.2-Cisco 2811-2xT1
Here's what I've tried so far, please see text in red:
***global (outside) 1 208.66.x.115
***nat (inside) 0 access-list No-Nat
***nat (inside) 1


It didn't work... I was able to max the bandwidth again. I also tried to apply service-policy to inside int, which didn't make a difference.

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Cisco WAN :: 3900 - IP Multicast Rate-Limit

Feb 16, 2012

I run streaming multicast video cameras on my network. I stumbled upon the command ip multicast rate-limit. When I configured a test setup in my lab (multicast camera source and a few routers) and tried the command it simply did not work. Moreover, when I went to use the command on a 3900 router in my lab, it was not there.
I take it this command has been deprecated?

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