Cisco Switching/Routing :: WS-C2960S-48FPS-L - Switches Comparison

Dec 18, 2012

I was looking at WS-C2960S-48FPS-L (740 Watts) and  WS-C2960S-48LPS-L (340 Watts) models today, I'm not sure that I understand it right,
 
Does WS-C2960S-48FPS-L model support all 48 ports POE+ (30Watts)? Does that mean each port will get 30 Watts on this switch?
 
Does model WS-C2960S-48LPS-L support 24 ports with POE and 24 ports with POE+?.

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Cisco Switching/Routing :: WS-C2960S-48FPS-L Stack Port Down?

Mar 14, 2013

I'm trying to configure a stack between two WS-C2960S-48FPS-L but does not working.The switch port is always Down.I tried to change de module and cables.I tried to make a loop in one of two switches and the ports always down.
 
IOS: 12.2(55)SE5
 #show switch stack-ports
  Switch #    Port 1       Port 2
  --------    ------       ------
    1          Down         Down

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Cisco Switching/Routing :: WS-C2960S-48FPS-L / Pinount Poe (802.3af) And Poe+ (802.3at) For Switch?

Feb 12, 2012

The pinout of poe and poe+ (802.3af) and (803.3at) of these models of Cisco switches?

WS-C2960S-48FPS-L 48 Ethernet 10/100/1000 PoE+ ports; 740W PoE capacityWS-C2960S-48LPS-L 48 Ethernet 10/100/1000 PoE+ ports; 370W PoE capacityWS-C3750-48PS-S 48 Ethernet 10/100 ports with IEEE 802.3af and Cisco prestandard Power 
 
Pin goes where the power for Poe (802.3af) and poe+ (802.3at) for this model Cisco

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Cisco Switching/Routing :: How Many Switches Can Be Stacked With WS-C2960S-48FPD-L At A Max

May 28, 2012

How many Switches can be stacked  with WS-C2960S-48FPD-L at a max..
 
 As per my Knowledge it is 4 and as below..
  
Switch 1 to Switch 2 
Switch 2 to Switch 3
 Switch 3 to Switch 4 
Switch 4 to Switch 1
 
If yes then, is it mandatory to do the "Switch 4 to Switch 1" stack. why am I asking this is because this stack requires a long cable and the cable which comes with the Switch is only 0.5M.

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Cisco Switching/Routing :: Running-configuration On Stacked Switches (C2960S)?

Apr 2, 2012

My company is beginning to have a lot of sites were we are stacking 3 to 4 C2960S-48 switche.This is making "show running-config" very very long because of the 4 x 48 interfaces.I can’t find a CLI command that show me the running-config of a ranges of interfaces. If I for example would like to see running-config for switch 3 (interfaces 3/0/1-52)The Show Running-config will show all the interfaces (for the two first swtiche = 104 interfaces), which take a time before I reach to switch 3.I miss a CLI command like: show Running-config switch 3, or module 3, or show running-config interface range x/x/x-x ?I’m well aware of the CLI command show running-config interface x/x/x, but this will only show me one interface.

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Cisco Switching/Routing :: WS-C2960S-24TS-S / What Type Of Fiber Optic Can Be Connected To New Switches

Jan 16, 2012

find out which types of fiber optic that i can connect to three types of switches. the setup that i have that there are:8 access switches (WS-C2960S-24TS-S), in each one there is two SFP connections.2 aggregate switches WS-C3750X-24T-S, in each one there is four SFP connections.and one core switches that has SFP card  WS-X4624-SFP-E? Note that the fiber optic that we have coming from filed are multimode.

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Cisco Switching/Routing :: WS-C2960S-48TS-L / Reasons To Limit 1Gb Capable Switches To 100Mb?

Jul 8, 2012

Our network administrator restricts all our new 1Gb switches to only 100Mb, to which he claims it will increase overall performance. Preventing devices from bottlenecking the network. (that is, only restricting the main switch ports, not the uplinks)For example we have a new building with 2x WS-C2960S-48TS-L connected together with FlexJack and then a 1Gb Fiber connection back to our core switch.
 
This building is on it's own subnet and there is little broadcast traffic. I don't see the point other than it hinders the potential speed we could use. Labs are set up in this building and 1Gb is MUCH faster when it comes to imaging and software deployment.

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Cisco Switching/Routing :: 2950 - IPERF Throughput Comparison

Mar 2, 2012

I am currently using catalyst 4506 L3 switch and 2950 L2 switches for pc's which are EOL. I am replacing L3 with 3750X, two switches in a stack. L2 is 2960S all with gbps ports. I have to have a baseline (performance comparison with the current setup and new setup) and I am using the following methods
 
1. Iperf throughput comparison among local vlans
 
2. Iperf throughput comparison with remote data centers servers.
 
3. Ping/ftp upload/download comparison with remote DC's. FTP file is around 3GB.
 
Today I have tested the above with the new setup and compared it with the old setup. For the tasks 1 & 3 I found better performance with the new setup. However the task 2 did not show any performance increase infact the throughput was much lower comparing to the old setup.

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Cisco Switching/Routing :: C2960S - 12.2(58)SE Crash On SSH

Apr 13, 2011

I just upgraded several of my C2960S-48FPD-L from 12.2(55)SE to 12.2(58)SE and now almost every time I try to SSH to it the switch reboots and gives me these trace backs ... 
 
07:58:52 CST Thu Apr 14 2011: Unexpected exception to CPU vector 200, PC = 1EADA28
-Trace back= 0x1EADA28z 0x1CDC324z 0x1EA5520z 0x1CDC35Cz 0x1CDD0E0z 0x1CDF0C4z 0x1CE06CCz 0x1CE07F8z 0x1D67348z 0x1D611BCz
 
Writing crash info to flash:/crashinfo_ext/crashinfo_ext_3
 
07:58:56 CST Thu Apr 14 2011: Unexpected exception to CPU vector 1100, PC = 121BB98
-Trace back= 0x121BB98z 0x12250FCz 0xFA7540z 0xA807B8z 0xA75DF4z 0xA78080z 0x94B708z 0x9717C0z 0x918DD8z 0x936520z 0x9344BCz 0x9345FCz 0x93484Cz 0x1D67348z 0x1D611BCz

=== Flushing messages (07:58:56 CST Thu Apr 14 2011) ===

Buffered messages: (last 4096 bytes only)
0x00000005  R6 = 0x01224F44  R7 = 0x02A23C6C
000089: *Feb 28 18:03:13.577 CST: %PLATFORM-1-CRASHED: R8 = 0x00000080  R9 = 0x00000000  R10 = 0x00000000  R11 = 0x00000071
000090: *Feb 28 18:03:13.577 CST: %PLATFORM-1-CRASHED: R12 = 0x00034855  R13 = 0x00000280  R14 = 0x01CE0778  R15 = 0x00000000
000091: *Feb 28 18:03:13.577 CST: %PLATFORM-1-CRASHED: R16 = 0x00000000  R17 = 0x00000000  R18 = 0x00000000  R19 = 0x00000000
[ code]....

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Cisco Switching/Routing :: WS-C2960S Inter VLAN Routing

Dec 9, 2012

I am looking for a reasonable switch but it has do do inter-VLAN Routing. I know I could go with a 3560/3750 with IP Services but I am also thinking the 2960S with IP Base IOS might do?
 
I have looked up the IP Base IOS and it does list IP Routing but how to actually configure inter-VLAN Routing on a 2960S with IP Base?

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Cisco Switching/Routing :: Enable L3 Routing On C2960S

Apr 19, 2013

I have been trying to enable L3 intervlan routing on C2960S Switch with ip routing command and that was the output from the Switch: [code]

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Cisco Switching/Routing :: C2960S Flexstack Serial Number

Mar 21, 2012

Is there a CLI-command to see the serial number of the flexstack module installed in a C2960S.

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Cisco Switching/Routing :: Recommended IOS For Switch C2960S And C3750

Jun 13, 2013

We have several of these WS-C2960S-24PS-L running 12.2(55)SE5  C2960S-universalK9-M and need to upgrade to a better.IOS since we have a sitution where CPU would get to 100% but we have only a few ports connected.Also we have several of WS-C3750-48P running 12.2(55) SE6 C3750-IPBASEK9-M.

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Cisco Switching/Routing :: 2960 Stack Of Four Ws C2960S Crashes

May 29, 2011

We have a 2960 stack of 4 WS-C2960S-24PS-L switches.Sometimes, at random, the stack crashes and reboots. I have downloaded the crashinfo file and can see the following error.

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Cisco Switching/Routing :: WS-C2960S-24TS-L / Mac Flapping On Stack?

Feb 27, 2012

We have two switches WS-C2960S-24TS-L running in stack with running IOS c2960s-universalk9-mz.122-55.SE3.We have connected two checkpoint devices on Gi1/0/24 and Gi2/0/24 with a simple configuration:
 
interface range GigabitEthernet1/0/24, gi2/0/24
switchport access vlan x
switchport mode access
spanning-tree portfast
 
On the devices log we get the following message:

%SW_MATM-4-MACFLAP_NOTIF: Host 0000.0000.fe21 in vlan x is flapping between port Gi2/0/24 and port Gi1/0/24
 
The mac-address 0000.0000.fe21 is not found on any checkpoint interface. "Show mac-address int gi1/0/24 or gi2/0/24" does not show the correct mac-address of the checkpoint interface connected to the port, but instead shows 0000.0000.fe21.Is there a bug in the IOS, something wrong with the switch config or does it have something to do with the checkpoint config?

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Cisco Switching/Routing :: Stack C2960S High CPU Version 12.2(58)SE2

Jan 14, 2013

I have a customer with a stack of two switches C2960S-24TS-L that are running 12.2(58)SE2 universal K9, we see that the CPU load increase over time, to 95% and stays there reload solves the problem.the process that akes a lot of CPU is also the SNMP ENGINE, I see that it is running 30 minutes on 95% and then 10 minutes on 35%, this is the only stack were we see this problem. Is there also a SNMP bug in this version ?

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Cisco Switching/Routing :: GLC-GE-100FX Supported On WS-C2960S-24TD-L?

May 10, 2013

Does GLC-GE-100FX is supported on the WS-C2960S-24TD-L.  I don't see this switch listed under the compatibility matrix.URL
 
But the datasheet for the 2960S says this:
 
"The Cisco Catalyst 2960-S with SFP+ does not support the GLC-FE-100BX, GLC-FE-100FX, or GLC-FE-100LX." But it provides no reference for the GLC-GE-100FX The easy answer is, no the 2960S-24TD doesn't support it, any clarification if possible.

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Cisco Switching/Routing :: Configure Connection Between UCS FI 6120 To C2960S?

Mar 29, 2012

is it possible to connect UCS FI directly to C2960S using Twin Ax Cable (3M long) ?

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Cisco Switching/Routing :: Adding Dhcp Option 82 On C2960S

Dec 12, 2012

I have a very simple setup containing 3 C2960S switches:switch 1:  central switch, acting as router between VLAN 1 en VLAN 2switch 2+3: edge switches, connected via 1 link to central switch, both on VLAN 2,Clients connect to switch 2 and 3 using dhcp, switch 1 uses dhcp relay to forward requests from VLAN 2 to the dhcp server on VLAN 1.  So far so good.Now I want switch 1 to add option  82 to the dhcp requests so the dhcp server can see whether the request came through switch 2 or switch 3. I tried turning on dhcp option 82 support on switch 1 by doing.

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Cisco Switching/Routing :: WS-C2960S-24PD-L Support 1 Gig Uplinks With SFP?

Apr 1, 2012

WS-C2960S-24PD-LCatalyst 2960S 24 GigE PoE 370W, 2 x 10G SFP+ LAN Base 
 
Can I use the above said switch for 1 Gig Uplinks using SFP. 

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Cisco Switching/Routing :: WS-C2960S-24PS-L Floods Network

Jan 21, 2013

I have three new 2960 switches as listed in the title. I configured them as follows:

192.168.1.215     host: whse-c
192.168.1.216     host: whse-b
192.168.1.217     host: whse-a
 
Switches B and C flow into A before continuing on into the server room switch (distance issues).All three switches are configured for ports 21-24 at 1000 and set as cisco switches. all other ports are undefined as they have a myriad of desktops, printers and non cisco access points flowing into them. side question - should i configure them as access points where applicable even if they are non cisco? I am replacing three netgear switches that currently are in place and have no known issues other than they are old and the fans may fail soon.hooked up .217. was able to get to it from the network. Hooked up 215 and then 216.  All the sudden I lost the ability to tap into the switches, any of them. (I think I had done 215 at that point too, before adding 216.  I found out later it took the network to its knees as internet was lost, and the MPLS stopped functioning.
 
I undid the changes and put the netgears back in service and all was right with the world again.  At first I thought it was a bad host name as I had used whse-a on switch C in error. I changed that after this issue.Later that day I put 215 in place. checked it from the network and could get to it just fine. Then I put 216 in service. I lost connection to 215. I could no longer get to the internet from my pc and the MPLS went down again.  This time I just unhooked 216. 215 is still in place and working on the network at the moment and not causing issues. (btw these switches are not even in my path from my pc to the internet, just on the same network) tomorrow I am going to try 217 again while 215 is still on the network and see if there are any issues adding that swtich. if I can do so, and there are no problems, is this an indication of a faulty switch?  what further testing can I do, have I missed something in setup?  If this brings the network down again, why cant i add two of these switches to each other/on the same network path (B and C were not even connected to each other yesterday evening when it went down again).

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Cisco Switching/Routing :: WS-C2960S-24TS-L / 4 SFP Ports For A Switch?

Jul 24, 2012

I have a got a requirement where a 24 Port Switch should have 4 SFP's and all 4 should be used at a time, So I've chosen " WS-C2960S-24TS-L"
  
The transeiver should be GLC-LH-SM, so kindly let me no whether I would be able to use all 4 ports at a time or not.

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Cisco Switching/Routing :: WS-C2960S-24PD-L PoE+ 10Gb Switch Using 1Gb Uplink

Jan 24, 2013

I have configured about 20 of these switches now, and notice in the port listings a TE1/1//1 TE1/1/2 and GI1/1/1 GI1/1/2 uplink port. There are only two uplink SFP+ ports. I now have a reason to install with a 1Gb uplink to the Core. I am using a GLC-LH module at each end. I did configure the TE1/1/1 port for the uplink. Does not work though..Do I need to configure the two GI1/1/1 and 1/1/2 ports for uplink, remove the TE configuration for the uplink to work? Using the UNIVERSAL code with a LANBase license.

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Cisco Switching/Routing :: Configuring DHCP Server On WS-C2960S-24PS-L

Jun 5, 2013

I receive a question from a future customer about this future if its supported on " WS-C2960S-24PS-L":configuring 2 dhcp server on this swith ( 1 dhcp for voice vlan , and 1 for Data Vlan).I did some search , but i didnt find the answer .i have to advice a customer before ordering the switch.

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Cisco Switching/Routing :: C2960S How To Calculate Buffer Allocation Needed

Jan 2, 2011

I need to configure these qos settings in a C2960S. [code]How I calculate the buffer allocation needed? [code]

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Cisco Switching/Routing :: WS-C2960S-24TS / Default IP On Express Setup

Jan 3, 2012

I just received three WS-C2960S-24TS-Land three WS-C3560E-48TD-S switches that i entered the Express Setup on as usual.  On two of each type of switch i found the default network that is used to facilitate the Express Setup was 10.0.1.1 and the others used an IP range of 10.0.2.1, i realized this is a small negligible at best difference though i need to provide management with an answer as to why there is a difference between the two and can’t find anything online as to why there is a difference or something that proves there should be a difference.  All the documentation I find sounding Express Setup notes that the IP range will be 10.0.1.1 not 10.0.2.1

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Cisco Switching/Routing :: Difference Between Auto Qos And Voip Trust With C2960S

Aug 1, 2012

Are there any differences between the autoqos commands on a WS-C2960S switches (or in any other series)? Follow the commands:
 
- auto qos trust
- auto qos voip trust
 
I was checking the documentation on this link:
 
URL

And couldn't find any great difference between the two commands, as far as I could see they'll set the Ingress and Egress queues the same way.
 
Are there any differences between those two commands (auto qos trust and auto qos voip trust)? If so, when should I use one and the other?

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Cisco Switching/Routing :: WS-C2960S Switch Hangs After Couple Of Minutes It Restarts

Jun 12, 2013

After insertion of SFP module in  the Switch i have messages bellow and the switch hangs after couple of minutes it restarts

[Code]....

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Cisco Switching/Routing :: C2960S / Prevent Traffic Per Port Or Inside VLan

Nov 27, 2012

I want to know what is the best way to black traffic inside the same VLAN, this VLAN is a user VLAN, it means that I am talking about access layer.I wanted to use private vlan, but C2960S doesn't support this feature. Any other way to prevent any to any traffic in the user vlan, this vlan only have to speak at the Layer 3.

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Cisco Switching/Routing :: C2960S-24TD Cannot See Switch Listed Under Compatibility Matrix

Nov 30, 2010

Does GLC-GE-100FX is supported on the WS-C2960S-24TD-L.  I don't see this switch listed under the compatibiilty matrix.URL,But the datasheet for the 2960S says this:"The Cisco Catalyst 2960-S with SFP+ does not support the GLC-FE-100BX, GLC-FE-100FX, or GLC-FE-100LX."But it provides no reference for the GLC-GE-100FX,The easy answer is, no the 2960S-24TD doesn't support it.

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Cisco Switching/Routing :: WS-C2960S-48TD-L / Stack Reboot A Standalone Switch?

Dec 16, 2012

I have a Cisco WS-C2960S-48TD-L with 12.2(55)SE2.This is a standalone switch, not in stack, and with no order it reboots itself looking for a new master election. On logging i have nothing, but connected with console cable i see the following after 2 minutes of not showing anything:
 
Waiting for Stack Master Election...
 ...
The switch reboots and:
... 
*Mar  1 00:00:12.289: Read env variable - LICENSE_BOOT_LEVEL =

[URL]
 
After searching online i have no seeing nothing about disable the feature of the stack so i configure the priority for the "switch 1" to 15 and configure it the switches 2, 3 and 4 to no provision, although this switches don´t exist:
 
SW_ACCESS(config)#switch 1 priority 15
Changing the Switch Priority of Switch Number 1 to 15
Do you want to continue?[confirm]
New Priority has been set successfully

[URL]
 
With this new configuration the switch has rebooted again.Why on a standalone switch the stack is rebooting my system?Is it any feature to disable the stack?

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Cisco Switching/Routing :: WS-C2960S Output Drop Values Change Randomly

Oct 19, 2011

I have a stack of 4 Cisco WS-C2960S-48FPS-L switches running c2960s-universalk9-mz.122-58.SE1 code.  One of our network monitoring tools is indicating discards on a certain port on the switch.  Upon further investigation I am seeing the Total output drops values change in a very odd manner.
 
The numbers seem to go from 573 to 1146 to 1719 then back down to 573 and it starts the same pattern over: [code]

The port utilization is quite low, the highest I've seen over the past 7 days is 3.5% with a polling period of every 30 seconds using Statseeker.  Yet the discards are bouncing all over the place.
 
I've searched though the bugs for 12.2(58)SE1 and didn't see anything.

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Cisco Switching/Routing :: WS-C2960S-24TS-L / Switch Version Compatibility In A Stack

Dec 19, 2012

We have the following stack configuration: 

Switch Ports Model              SW Version            SW Image------ ----- -----              ----------            ----------      1 28    WS-C2960S-24TS-L   12.2(55)SE3           C2960S-UNIVERSALK9-M     2 28    WS-C2960S-24TS-L   12.2(55)SE3           C2960S-UNIVERSALK9-M     3 52    WS-C2960S-48TS-L   12.2(55)SE5           C2960S-UNIVERSALK9-M *    4 52    WS-C2960S-48TS-L   12.2(55)SE5           C2960S-UNIVERSALK9-M 

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