Cisco 1800 - Router Bandwidth / QOS And Rate Limit
May 21, 2012
I apologize in advance if this is a novice inquiry, but our company just switched from Point-to-Point T1's to Metro Ethernet.
On one point-to-point, from our main office to one of our high profile locations, we had two bonded T1's. Now this site has a 3 Mbps Metro-E link, but it's being over-saturated. I don't know what type of QOS implementation our T1 provider had, but it prevented flooding. Now, I'm getting horrendous latency as the office peak hours approach since there is no QOS on the mesh by our Metro-E providers.
Ultimately, my question is: what's the best way to set a Fast Ethernet port on a Cisco 1800 series router to limit all bandwidth to 3 Mbps? At the moment, I don't have a preference in which traffic takes priority. I tried the rate-limit command, along with a speed calculator I found online, but that slowed the network down immensely.
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Aug 21, 2011
Buy a router RV120W, and one of the reasons is limit of bandwidth (QoS). I set up a profile of 1-256 kbps limit, and apply it to the only VLAN that is configured, but does not work and can navigate using the full bandwidth of the internet connection. My firmware version is 1.0.2.6
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Jul 29, 2012
In ASA 5510. How I can limit the users in (VLAN 20) to use the internet with a limited Bandwidth/speed with 3 mbps upload and 5 mbps download?
In case the outside interface (Native vlan) which is connected to the ISP and have a bandwidth/speed of 30 mbps upload and 50 mbps download.
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May 22, 2013
We have an ASA 5525 running version 8.6(1)2 and a 10 MG pipe. I have execs that want to limit bandwidth on users for stuff like youtube, stream media, and downloads. I found the article on ‘Bandwidth Management(Rate Limit) Using QoS Policies’ so it appears our firewall can do what we want. I’m not a cisco person. My knowledge is limited when it comes to configuration – that’s why we have SmartNet.
Can bandwidth be limited on end users and/or can they limit the ‘bandwidth rate limit’ to just youtube, steaming media, and downloads? If so, what should the limit be? and I’m assume this would be for ‘incoming’ traffic only? we’re running into some bandwidth hogs – usually youtube and/or streaming media. We have a Barracuda web filter which we’ve used to block and monitor activity but I simply do not have time to babysit this all day. I should also mention we do have critical data running up and down the pipe; such as credit card processing, DB replication between in house DB and hosted website, TPCx and EDI, FTP, and such that we don’t want restricted.
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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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Jul 29, 2010
I will have this one router. Its f0/0 will be for the Internet connection with bandwidth of 30Mbps. Its f0/1 will be connected to a switch for internal networks. This link will be separated to 3 VLANs for 3 internal networks. I'm wondering if there is a way to gurantee 10Mbps for each VLAN but allow use up to 30Mbps when another two VLANs are not using any Internet bandwidth? I only worry about download bandwidth from internet.The 3 internal networks will all have public IPs and they belong to their own subnets. There won't be NAT/PAT.
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Jul 12, 2011
How can I limit the bandwidth of a router (DIR 600).
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Jun 11, 2011
I just purchased a 100M fiber line to go with a brand new D-Link DIR-655 router. Before plugging in the router, I tested on my laptop directly from the modem and had great result speeds of 98M/97M. I connected the router, then plugged my laptop to find I was only getting speeds of about 10M/6M. This was true for both wired and wireless connections.
I took a look at the router settings. I turned off QoS, but that didn't work. One thing I did see was the WAN was set to auto. I attempted to change that to 100mbps or to 1000mpbs. However, when I did that my modem light that shows a 100M connection is active turned off and I couldn't get internet. I was only able to get a connection if I left that on auto. Is there a setting somewhere that is limiting my bandwidth from the router?I reset the router twice and checked to find I had the latest firmware. Is there something that I am missing? I have always been a Linksys fan, but wanted to see how D-Link is.
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Oct 28, 2012
I am planning to buy a router for my hotel and I would like to know is it possible to limit the bandwidth limit to the guests? And the admin computer can utilize the maximum speed? it it possible to create a login page paper when some one enters my wifi connection?
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Apr 22, 2011
We have some point-to-point sites linked with our HO with 10-30mbps speed. We have provided DID telephone lines to these sites as well.
We want to limit the bandwidth with 1mb bandwidth only and also make sure that the voice traffic (DID telephone lines) gets the priority over all other traffic even if they are utilitizing the 1mb link completely. We have some Cisco 1841 routers that we are planning to configure on the main uplink on each of these sites. how to give the priority to the voice traffic yet limiting the bandwidth to 1mb.
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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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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 192.168.30.250 255.255.255.0
[Code]...
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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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 10.10.10.10------Cisco2960-------- 10.10.10.1 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 0.0.0.0 0.0.0.0
[Code].....
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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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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Jul 6, 2012
I want to know how I can manually limit the Kbps for a particular devince in the QOS.I DO NOT want to simply set the priority (low/med/high). I want to "physically" limit a device.
When I select to do it manually (upstream bandwidth) it limits ALL devices and I do not want this. I want to limit the bandwidth on only one device that is connected (ie an Xbox)
I have a Linksys E4200 V2
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Jul 23, 2012
I am looking for the command of rate-limit on a sub-interface in cisco asr 1013.
Cisco IOS Software,
IOS-XE Software (X86_64_LINUX_IOSD-ADVENTERPRISEK9-M),
Version 15.2(2)S, RELEASE SOFTWARE (fc1)
IOS XE Version: 03.06.00.S
If it is possible in Cisco asr 1013. If yes then what are the commands.
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Sep 22, 2011
1841 - IPBASE 12.4.7d
We provide internet access for a number of clients sitting on our WAN, at present they have un-restricted access to the full bandwidth of our 1Gb internet pipe. As they are only paying for a proportion of that we want to set a Mbps limit on the clients, and idealy the device should be transparent between our router and the clients.
I have been trying to set up rate limits on a bridge on our 1841.
#
bridge 1 protocol ieee
bridge 1 route ip
bridge 1 bridge ip
[Code].....
I have tried many combinations but can't get this to limit the traffic, the client still draws as much as they can.
Does rate limit work on bridged interfaces? or am I going to have to try it routed instead?
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Jun 3, 2013
Worried about denial-of-service attacks. They have 11 vm's that share a connection and want to set it up so that there is a maximum amount of traffic allowed to hit each vm, so if there is a DDoS attack it will only affect that one VM instead of all the VM's on the same connection.
What is the best way to go about this from the ASA? This is behind a 5515 with asa code version 8.6. Is there a way to rate-limit by ip address?
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Apr 8, 2013
Setup:
Cisco 886VA-K9
Cisco IOS Software, C880 Software (C880DATA-UNIVERSALK9-M), Version 15.2(4)M3, RELEASE SOFTWARE (fc2)
This router has two VLAN's on one Ehternet interface
VLAN1: data
VLAN2: voice
The WAN connection is a regular DSL line with PPP.
Modem FW Version: 120306_1254-4.02L.03.B2pvC035j.d23j
Modem PHY Version: B2pvC035j.d23j
Output of show interface brief:
Interface IP-Address OK? Method Status Protocol
ATM0 unassigned YES NVRAM up up
BRI0 unassigned YES NVRAM administratively down down
BRI0:1 unassigned YES unset administratively down down
[code]....
We all know you can't manage data traffic on the internet since your not in control of both sides of the link. So only queuing would not be a good practice IMHO. I was thinking on just rate-limit or police data-traffic so Voice always has bandwidth available when needed. I've did tried to rate-limit on the ATM0 interface, but no luck. Voice was still very bad.
My question is: where to rate-limit the data traffic? On the VLAN interface, the ATM interface, DIALER interface?
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Mar 23, 2013
I have a task of setting up bandwidth limit on the 2811 router Fastethernet interfaces.The scenario is:We have a 4MB Internet connection and would like to allocate bandwidth usage to users.
Fastethernet 0/0 needs to be set with 256KB output and 2048 input. This is going to be connected to a wireless router. Fastethernet 0/1 needs to be configured with 2048 output.I could also use SDM if that's easier than using CLI.
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Feb 22, 2013
I have a cisco 2821 router where as a cisco 2960 switch with connect on router as a trunk & one user vlan . this is my WAN router all traffic are internal . i have 2MB data connectivity on my WAN side. i have to Give a specific Bandwith on my SAP traffice . like when SAP traffice will come they all time get around 50 % bandwidth of my channel. If SAP resuest are not comming then other traffice will get full bandwith .
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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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Jan 28, 2012
ACE A2(3.4). Is it possible to set a rate-limit connections per sec from any source IP. For example, if a client is trying to GET a web page 10 time per sec I will send a reset or drop that connection.
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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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Apr 14, 2013
I have a Cisco SG300 small business switch and 541 APs. There are 2 VLANs in our network. One must be limited by bandwidth. How to configure vlan rate-limiting on SG300? And describe CIR & CBS.
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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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Dec 9, 2012
I'm trying to determine whether Cisco has any equivalent (in any platform) to some of the existing firewall rules within our iptables infrastructure. [code] What this does, is allow port forwards on port 3389/rdp. However, if a single IP opens too many connections within a timeframe, it starts dropping new ones.This is a critical requirements for certain security scenarios, such as preventing RDP brute forcing. A similar principle can be applied to 22/ssh.I've had a look around, rate limiting searches generally land me on QoS based discussions. I've seen people ask similar questions and get referred to CBAC. Whilst I can see similarly worded functions there such as limiting "half open" connections, I don't see anything there that limits the actual number of connection attempts you can make.
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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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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 192.168.101.xxx, 192.168.102.xxx, and 192.168.103.xxx. There are 14-16 VoiP phones in each remote building. The main building being in the subnet of 192.168.100.xxx. I have the 3560s connecting to a single port on a 2801 in the main building, all using the subnet of 192.168.253.xxx The phone server sits in our network at 192.168.100.203. I have created the ACLs, class maps, and policy maps on all of the equipment.
For the remote buildings I have the following:
ACL
===========
Extended IP access list VOIP
permit tcp any host 192.168.100.203 dscp ef
permit tcp any host 192.168.100.203 eq 5566
[Code]....
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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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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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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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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Jul 7, 2011
How can I limit bandwidth speed of guest accounts? Or are there free softwares available to do something like that? It's kinda like the hotspot softwares - where we can set hourly, daily, monthly allowances and see a report on their connectivity.
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