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 :: 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 :: Catalyst 2960 Switch Port Bandwidth Limit?

Sep 18, 2012

I want to configure switch port bandwidth limit for my Catalyst 2960-48, is there any hardware / ios limitation? can I configure it at all 48 switch ports?

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Cisco Switching/Routing :: Limit Bandwidth On A Gig Port Of 2960 Or 4506e Switch?

Apr 4, 2012

how can i limit bandwidth on a gig port of 2960 or 4506e switch?

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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 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 :: 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 :: 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 :: 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 :: 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 :: 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 :: Implement VLAN Rate Limiting Or QOS For 2960?

Nov 14, 2011

I have a 2960 that I need to limit the uplink port to 50Mbps for 3 vlans and 350Mbps for another vlan. Would the following config achieve that or is this even possible for the 2960? 
class-map match-any VLAN50-51-52
match vlan 50-52
class-map match-any VLAN53


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Cisco Switching/Routing :: 2960 / Recovering Switch With Wrong BAUD Rate?

Oct 20, 2012

it seems that i made a mistake when typing the BAUD rate of a 2960-Switch in rommon.I can't start the switch now, because there is no image on it (because I deleted it before) and the baud-rate has wrong settings. When connecting via console cable i can't see anything (except some strange hieroglyphics) when starting. I tried all the speeds in teraterm... without success.what can i do, to recover the switch back?

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Cisco Switching/Routing :: To Limit Bandwidth Using The MAC On 2960

Jun 11, 2013

Any example to limit the bandwidth using the MAC address on 2960 ? I want to limit the bandwidth (IN / OUT) of a server only for Internet flows.

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Cisco Switching/Routing :: Bandwidth Limit On Catalyst 2960?

Feb 9, 2012

I have ciscl catlyst 2960 8port switch, (flash:c2960-lanbasek9-mz.122-50.SE4/c2960-lanbasek9-mz.122-50.SE4.bin).
and in need to configure bandwidth limit for one of the port as a 1Mbps.

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Cisco Switching/Routing :: Catalyst 2960-S Channel Bonding Limit

May 15, 2013

we have currently a configuration with 3 bonded (link aggregation) channels, each delivering 1 Gb/s uplink, providing a total of 3 Gb/s uplink. Due to a recent network upgrade, we can now add more channels to the same group in order to have a total of 9 Gb/s uplink, meaning that we should bond toegether 9 channels. When we tried to change the old configuration in order to include six new channels to the bondend group we noticed 2 things: one channel was left in standby (blinking orange led),no increase in the uplink bandwidth semmed to happen,By looking around it looks like the channel group is limited to a maximum of 8 channels [*].

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Routers / Switches :: Rate Limit On Specific Port From Specific Range?

Jul 1, 2012

Is it possible to enable an absolute value rate limit using QOS on a HP ProCurve 5406 switch for a particular IP range on a specific port? Is there a way to configure our HP 5406 with an absolute rate limit on "WAN" port for that server's IP range? I would like to limit it to only being capable of sending 1Mbps worth of traffic over the head end at once.Everything in the documentation points towards priority queues, which as far as I can tell, isn't really what I want.Baring accomplishing this goal using rate limiting is there a better way to prevent our services from accidentally saturating this connection?i thimkong about somthing like that:

class ipv4 rate-limit-port-A1
match ip any
policy qos port-a1-ratelimit
class servers-to-be-slowed action rate-limit kbps 1000
interface A1 service-policy port-a1-ratelimit inI'm not sure about this.

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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 :: Limit For Creation Of Port Chanel In Core Switch 6509 And 6513

Feb 20, 2012

How much is the limit for the creation of PortChanel in a Core Switch 6509 and 6513?Is there a limitation byu hardware?

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Cisco Switching/Routing :: SFP Port On Catalyst 2960 S?

Mar 18, 2013

I have Catalyst 2960 S (WS-C2960S-48FPS-L) Switch. I have plugged in SFP module but still interface is down and line protocol down. Is there any configuration to enable SFP module and make the interface up?
This port is connected to nexus 5 k.

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Cisco Switching/Routing :: 2960 / Which Port Is On VLAN 10

Mar 5, 2012

I have a Cisco 2960 48-port switch.  I enter "sh vlan" and it lists all the VLAN's.  One of the VLAN's listed is "10" with the name "EPIC".  What is the quickest way to find out what ports, if any, are assigned to this VLAN?

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Cisco Switching/Routing :: 2960-S Port Blocked By STP

Aug 29, 2012

Our company bought a Cisco 2960-S to add to the network, We gave the interface VLAN 1 an IP address, and tried to attached the switch to a jack port on the wall to test if it gets a link or not. The status of the port blinks amber and stays contionous amber, I have searched the manual of the switch and it says that amber means that the port is being blocked by STP.

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Cisco Switching/Routing :: 2960 Which Port On Switch Its Connected

Mar 2, 2012

If I knew the IP address of a host, can we know on which port on the switch its connected. The switch model is 2960

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Cisco Switching/Routing :: 2960 - Turn Off Port Security

Dec 15, 2009

One of my engineers issued a command to turn off port security on a number of ports using the range command. The command failed on the first attempt due to a tacacs auth failure which I suspect is due to a low tacacs timeout value. The engineer then reduced the number of ports in the range command and re-issued the config change after which the switch just crashed and rebooted.
The logging buffer on the switch displays the following:
000072: *Mar 1 00:03:00 GMT: %PLATFORM-1-CRASHED: System previously crashed with the following message:
000073: *Mar 1 00:03:00 GMT: %PLATFORM-1-CRASHED: Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 12.2(50)SE3, RELEASE SOFTWARE (fc1)
000074: *Mar 1 00:03:00 GMT: %PLATFORM-1-CRASHED: Technical Support: [URL]
000075: *Mar 1 00:03:00 GMT: %PLATFORM-1-CRASHED: Copyright (c) 1986-2009 by Cisco Systems, Inc.
000076: *Mar 1 00:03:00 GMT: %PLATFORM-1-CRASHED: Compiled Wed 22-Jul-09 07:03 by prod_rel_team
000077: *Mar 1 00:03:00 GMT: %PLATFORM-1-CRASHED:
I have done some searching and this could be related to bug CSCsq71492. I have tried using the output interpreter but it is still down. 

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Cisco Switching/Routing :: 2960 - Disable TCP Port 4786

Mar 1, 2010

I have upgraded a couple of 2960G switches to 12.2.52SE and now discovered that TCP port 4786 is open on the switches.
I have looked in the document{URL}, trying to find a way to disable this function/port, but didn't find anything useful. Any way to disable this function/port?

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Cisco Switching/Routing :: 2960 - Remote Syslog On Different UDP / TCP Port Possible

Oct 22, 2011

I have a couple of Cisco 2960's sending syslog messages to a remote syslog-ng on port 514 (standard).
I need to set another Swtich so it sends traffic to the same syslog server but on another UDP port (such as 714),, is that possible,? I cannot find the option on the documentation.

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Cisco Switching/Routing :: Cat 2960 Shows Mac Address Port As Dropped?

Jul 30, 2012

I am configuring a Cat 2960 port for connecting a VOIP phone, authenticated by MAB.  On connecting the phone, I get the port authenticated and assigned to the correct VLAN, with LLDP-MED advertising the correct voice vlan.  However, I then see no traffic from the phone on the switch.  I can see the MAC address of the phone is learned in the right VLANs, but the mac address is showing as "Drop", which normally means the address is statically configured to be blocked.  There is no static mac address table blocking configured on the switch. 

Switch Version
Switch Ports Model              SW Version            SW Image
------ ----- -----              ----------            ----------
*    1 50    WS-C2960-48TC-L    15.0(1)SE3            C2960-LANBASEK9-M
 Port configuration
interface FastEthernet0/1
description "Standard user port"


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Cisco Switching/Routing :: Port / MAC Based DHCP For 2960 And 3560

Jan 3, 2012

I want to implement port-based and MAC-based in these two switches: 2960 & 3560 (both of them have this IOS version: 12.2(55)SE1). And I haven't found a way to implement both of them at the same time. This is what I got:
ip dhcp use subscriber-id client-id
ip dhcp subscriber-id interface-name
ip dhcp excluded-address
ip dhcp excluded-address

With this configuration I can use port-based, but not MAC based. If I remove the first two lines and change the last line for this one:

address client-id 0112.ae1d.af58.60

Then, the computer with that MAC address got the correct IP, but then the port-based doesn't work. Also, I got this line in the interface what I want to use MAC-based: 

ip dhcp server use subscriber-id client-id

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Cisco Switching/Routing :: 2960 -Destination Port Not Responding Over SPAN

Jun 8, 2012

i have configured SPAN over cisco 2960 to monitor source port traffic but after configuration i dont able to get response from destination port  as my NMS is attached on destination port so i lost its web interface.
Configuration is as under.
monitor session 1 source interface gigabitEthernet0/5  (Source Port on Vlan 100) monitor session 1 destination interface gigabitEthernet0/1 (Destination Port on Vlan 200)

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Cisco Switching/Routing :: Connecting 4510 TenGig Port To 2960

Mar 10, 2013

I am planning on deploying a 2960 switch and will need to uplink it to a 4510 switch. There are 2 TenGig Ports available and I was thinking of uplinking  one of them to the 1Gb SFP port on the 2960. Would this work?

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