Cisco Switching/Routing :: WS-C3750G-24TS-1U Stack Crashed IOS Version 15.0(1)SE

Nov 2, 2011

I have a situation. I am running two-switch 3750-stack and it crashed this morning. IOS version the switches is: "flash:c3750-ipservicesk9-mz.150-1.SE.bin"
Log Buffer (10000 bytes):
3:40.840: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan104, changed state to up
Nov  3 13:13:40.840: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan201, changed state to up
Nov  3 13:13:40.840: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan202, changed state to up
Nov  3 13:18:13.336: %PLATFORM-1-CRASH(code)

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Cisco Switching/Routing :: WS-C3750G-24TS-S1U High CPU Utilization In 3750 Switch Stack

Jan 30, 2012

WS-C3750G-24TS-S1U switch stack with high CPU utilization. 3 switches are stacked and using PBR on that. I am attaching the show cpu process as an attachment.The current template is "desktop routing" template.The selected template optimizes the resources in the switch to support this level of features for 8 routed interfaces and 1024 VLANs. [code]

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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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Cisco Switching/Routing :: Stack C3750G And C3750X - Major Version Mismatch

Jun 11, 2013

I'm trying to stack 3750G & 3750X. As discussed in previous threads I am aware of that the version need to match.
Here the switch details:
Switch Ports Model              SW Version                SW Image
------ ----- --------------             ----------
* 1 24    WS-C3750G-24T      12.2(55)SE7             C3750-IPBASEK9-M
* 1 54      WS-C3750X-48      12.2(55)SE7           C3750E-IPBASEK9-M
I have changed the universal IOS on the 3750X to IP base..but they still wont come up as a stack. On the 3750X I don't see any log entry, on 3750G (major version mismatch).

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Cisco Switching/Routing :: Upgrading WS-C3750G-24TS-E1U To 15.0.1-SE2?

Feb 17, 2012

I have the following switch:

#show version
Cisco IOS Software, C3750 Software (C3750-IPSERVICES-M), Version 12.2(52)SE, RELEASE SOFTWARE (fc3)
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Image text-base: 0x01000000, data-base: 0x02C00000
ROM: Bootstrap program is C3750 boot loader
BOOTLDR: C3750 Boot Loader (C3750-HBOOT-M) Version 12.2(44)SE5, RELEASE SOFTWARE (fc1)

I have downloaded c3750-ipservicesk9-mz.150-1.SE2.bin and I want to upgrade iOS to this image.
I have a few questions related to this:
1. Is my switch model compatible with this iOS version?

2. Do you recommend the upgrade? Does it bring some notable features?

3. Can I upgrade for free or do I need to buy some license?

4. I also want to upgrade/add the crypto image, can I add crypto for free or some license is required?

5. I have remote access to my switch via the console cable which plugged into machine1. But machine1 is connected to network via the same switch. I am accessing machine1 via SSH, and then the switch via console cable (minicom on CentOS). Is there an upgrade procedure for this kind of situation that also has some fall back (like reboot in X minutes and load the previous image) if the upgrade goes wrong?

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Cisco Switching/Routing :: WS-C3750G-24TS-S1U Slow Response Between VLAN’s

Jan 20, 2013

Inter-VLAN applications are slow and same VLAN it is working fine.(i.e.VLAN to VLAN applications and File transfer response was Slow).Switch Model number: WS-C3750G-24TS-S1U

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Cisco Switching/Routing :: 3750G (WS-C3750G-24TS-E1U) - Fiber Module Options?

Mar 17, 2012

Got 2 of these switch stacked and there is some changes that we are going to undertake which will require us to utilize the whole 8 or 4 (2 from each switch) SFP ports. Just need some adivce on which particular fiber modules should I procure. Does this switch support 10GB of SFP ?

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Cisco Switching/Routing :: WS-C3750G-24TS / RSPAN Session For VOIP Recording?

May 9, 2012

we want to record voip telephone?Presently im using wireshark on a laptop to test the rspan session
Here is how it's configured
Switch Ports Model              SW Version            SW Image
------ ----- -----              ----------            ----------
*    1 28    WS-C3750G-24TS     12.2(52)SE            C3750-IPBASEK9-M
     2 52    WS-C3750G-48TS     12.2(52)SE            C3750-IPBASEK9-M

Ive created the vlan 33 on my core switch and  remote SPAN VLANs 133 Core switch is vtp server so i double checked on all switch and vlan 33 and 133 are present When i listen to conversation with wireshark we are only recoding voice of the one who is answering and we don't hear the other person talking?

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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 :: Can Stack C3560x To C3750g

Jan 11, 2012

Currently there are three stacked WS-C3750G-24TS-1U on data centre. I am going to buy a WS-C3560X-48T-L to use 10GbE module. Is it possible stack this switch "WS-C3560X-48T-L" to current switches "WS-C3750G-24TS-1U" ?

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Cisco Switching/Routing :: Can Stack (ws-c3750G-12s) With (ws-c3750X-24p-poe-s) With (ws-c3750-48p-10/100 Poe)

Feb 3, 2012

can i stack cisco (ws-c3750G-12s) with (ws-c3750X-24p-poe-s) with (ws-c3750-48p-10/100 poe) i mean even a switch is 10/100 and the other switch is 10/100/1000?

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Cisco Switching/Routing :: 3750-24TS-E Switch IOS And Hardware Version Compatibility

Nov 15, 2012

I am confused about some things regarding the different IOS versions and their compatibility with certain switch hardware. I understand the differences between the IPBASE and IPSERVICES ios but am not quite clear as to how you can tell which ios images will work on which Cisco switch model platforms, other than the fact that some switches are designed only to run the IPBASE images and others have advanced hardware to run the advanced images. For instance, if I have a 3750-24TS-E with an IPBASE ios on it, can I load an IPSERVICES ios that came from say a 3750G-24TS-E1U? whether the ios on one platform can be transferred to another?

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Cisco Switching/Routing :: Can WS-C3750E-48TD And WS-C3750G-48TS Be In Same Stack

Apr 20, 2013

I have two Switches which i need to put in a same stack - WS-C3750E-48TD and WS-C3750G-48TS . Possible to do so and also which IOS to put in both the switches as WS-C3750G-48TS is having lower RAM and flash.Whether can i put following IOS in these switches and connect them in a stack as i have read that IOS -- 15.0.1. SE are compatible with both the switches.
a . c3750e-ipbasek9-mz.150-1.SE.bin in switch - WS-C3750E-48TD

b. c3750-ipbasek9-mz.150-1.SE.bin in switch -- WS-C3750G-48TS

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Cisco Switching/Routing :: C3750G-12s Unable To Boot When Stack Breaks

Jan 27, 2013

I do have C3750G-12s switch which is not able to boot as of the expected. Every time when I break the stack and try to use console i got a weird output from my console output. we need the stack to be break and use those switch separtally .


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Cisco Switching/Routing :: Catalyst WS-C3750-48P And WS-C3750G-16TD Stack?

Jan 1, 2012

I have 8 switch stack consisting of six WS-C3550-48P and two WS-C3750G-16TD running software vesrion 12.2(25) SEB1. When I added new C3750v2-24PS (running image 12.2(50) SE5) in stack so I up-graded the image of existing 8 switches with latest veriosn 12.2(50) SE5. Once I have done with the upgrade then all ports of my stack switches went down after around five minuts. Is it image compatibility issue with existing switches or something else?

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Cisco Switching/Routing :: Ws-c3750g-48ts / Adding Switch To Stack?

Jan 23, 2013

We have a cisco stack with 5 ws-c3750-24p 12.2)55)SE3 c3750-ipbasek9-m switches. Can i add a switch to the stack that is the following model: ws-c3750g-48ts 12.2(25)see3 c3750-ipbase-m

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Cisco Switching/Routing :: WS-C3750G-48PS / Unable To Update Boot Path In Stack Switches

Sep 11, 2012

I am in the process of upgrading our stack of 4 switches consist of WS-C3750G-48PS. Upon reading release notes found that there are two versions of release notes 1 day apart, the one 02 Sep 2012 saying that WS-C3750-48PS is not supported in this version. Then in release next day 03 Sep 2012 that note has been removed. Which one is correct. Is it supported with my model of switch or not.also unable to update boot path in the stack switches, "switch all" is not supported in the current IOS. Master switch has new boot path but unable to change in slaves.

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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 :: 3750 Stack - Recommended IOS Version?

Apr 4, 2011

I have 8 switches (different models) configured in stack:
Switch Ports Model              SW Version            SW Image------ ----- -----              ----------            ----------     1 28    WS-C3750G-24TS-1U  12.2(55)SE            C3750-IPSERVICESK9-M     2 26    WS-C3750-24P       12.2(55)SE            C3750-IPSERVICESK9-M     3 30    WS-C3750X-24P      12.2(55)SE            C3750E-UNIVERSALK9-M     4 30    WS-C3750X-24P      12.2(55)SE            C3750E-UNIVERSALK9-M*    5 12    WS-C3750G-12S      12.2(55)SE            C3750-IPSERVICESK9-M     6 30    WS-C3750E-24PD     12.2(55)SE            C3750E-UNIVERSALK9-M     7 30    WS-C3750E-24PD     12.2(55)SE            C3750E-UNIVERSALK9-M     8 30    WS-C3750X-24P      12.2(55)SE            C3750E-UNIVERSALK9-M
Now I'm have IOS ver. 12.2(55)SE but from time to time I'm experiencing strange system freezing. It means that all systems connected to the stack are working very, very slow. It hapens ones, sometimes twice a month and takes 5 minutes. I didn't find anything strange in logs (neither on switch nor router). I would like to install other IOS version. Could you recomend me the most stable version for this stack (built from these different models) ?And the secound question:  - Is it possible to copy SE1 manualy to every switch and reload one by one manualy. Will they join the stack and work fine after reload or maybe there will be a IOS mismatch ?

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Cisco Switching/Routing :: 3750 Stack Version Mismatch

Feb 18, 2013

I'm able to upgrade the master of a 3750 stack, but the member fails to upgrade. [code] I couldn't do rmdir flash:update unless I reload chassis... but even after reloading still cannot make the 2nd member to load with the newer IOS.

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Cisco Infrastructure :: WS-C3750X-24T-S - One Of Four Switches Of Stack Crashed

Jan 10, 2012

Symptoms: The switch hangs - after a hard reboot and after two hours switch No. 2 flew out from the stack. After the reboot, everything returned to normal and now when a few days passed switch works without problems. Devices: WS-C3750X-24T-S

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Cisco WAN :: Possible To Have WS-C3750G-12S-S And WS-C3750X-24T-L In Same Stack

Aug 7, 2011

Is it possible to have a WS-C3750G-12S-S and a WS-C3750X-24T-L in the same stack, if so do they need to both be running the same software version/IOS.

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Cisco Switching/Routing :: 2960 Crashed And IOS Gone

Mar 10, 2012

My cisco ios 2960S is crashed and the ios is gone The issue is i am connecting my pc to management port and i give switch:

IP_ADDR x.x.x.x/ and also switch: DEFAULT-ROUTER
But i can not copy tftp to flash,according that i have L3 port (management) why should i use xmodem?

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Cisco WAN :: WS-C3750G-12S-E - IOS Version

Aug 9, 2011

I have a couple of Cisco WS-C3750G-12S-E, I`m putting to use again. These will be doing routing (IPv4 and IPv6), VLANs, VRF etc etc.
In Cisco Feature Navigator I find that the newest IOS for this model is 15.0(1)SE and 12.2(58)SE. But my supplier says c3750-ipserviceslmk9-tar.122-55.SE3.tar is the latest. What is the most feature rich, best, stable image I can load on this unit.

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Cisco Switching/Routing :: 6500 Crashed - RP Is Being Reset By The SP

Feb 17, 2013

One of our edge router (6500, running ios 12.2(33)SXJ) crashed with the following error. I found there were some RP-SP-ping GOLD test skipped due to high SP CPU utilization, but dont know if thats the reason. Crashinfo is attached. Hope to get you expert opinion on this. Shall we go for upgrade ?
Feb 17 15:19:10: %C6K_PLATFORM-2-PEER_RESET: RP is being reset by the SP
%Software-forced reload
15:19:10 met Sun Feb 17 2013: Breakpoint exception, CPU signal 23, PC = 0x42E24578

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Cisco Switching/Routing :: C4510 With Redundancy Supervisor 7E Crashed

Oct 31, 2011

Our company's c4510 with redundancy supervisor 7E just been crashed, first the master then the slave. What should I do ?

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Cisco Switching/Routing :: 2960 Switches That Have Crashed Without Any Reason

Aug 12, 2012

I have a number of 2960 switches that have crashed without any reason                  
Under show version System returned to ROM by address error at PC 0x108971C, address 0x0

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Cisco WAN :: Mixed Stack C3750G And C3750X IOS Update Required

Sep 6, 2011

I have running a Stack with two C3750G-24TS-S1U with the IOS c3750-ipbasek9-mz.122-50.SE3.Now I want put a new C3750X-24T-S in the existing stack. I have read this is possible. I have running a other mixed stack with a C3750G-12S and an C3750E-48TD. Its running fine until I want to make an IOS update. The update was done with the CW LMS 3.1. After the automatic update and restart only the C3750E had an new IOS the C3750G doesn't have any IOS. Do I have the same problem with the mixed Stack C3750G and C3750X?Do I have to upgrade the IOS by copying the different IOS Versions ( c3750-ipbasek9-mz.122-50.SE3 / c3750e-ipbasek9-mz.122-50.SE3) to every switch ?

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Cisco Switching/Routing :: Failing 3560CG Platform 1 Crashed Errors

Sep 9, 2012

Uhg.  I deployed a 3560G a week ago and it was crashing... so I replaced it Sep 7 around 16:00 and now this one is crashing.  Different logs.
Version 12.2(55)EX3
Sep  6 18:06:08: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  6 21:05:18: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  7 04:12:43: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  7 05:35:09: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  7 08:21:37: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  7 11:13:18: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Replacement Version 12.2(55)EX2
Sep  7 16:34:48: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  8 03:39:38: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  8 18:26:06: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  9 18:14:38: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
More detailed syslogs are in the attaced 'crash-logs.txt' file.
The device is running OSPF (it is in an NSSA).  I have several other devices configured almost the same running the same IOS in my network and they are working fine.This does make the third out-of-box 3560C Cisco that has failed on me within a few days. 

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Cisco WAN :: Stack WS-C3750E-48TD With WS-C3750G-12S Together To Create Single Logical Switch

Oct 31, 2012

I was wondering if I can stack WS-C3750E-48TD with WS-C3750G-12S together to created a single logical switch.

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Cisco Switching/Routing :: CAB-STACK-50CM Bent Stack Cable

Feb 27, 2013

Is there a stacking cable that is "bent"?Im using this cable:"CAB-STACK-50CM", "Cisco StackWise 50CM Stacking Cable".But it takes up to much room in the back of the switch, is there such a thing as "bent" stacking cable.

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Cisco Switching/Routing :: Configuring Stack-power On A 3750X Stack?

Oct 31, 2012

I have 3 switches in my 3750 X stack. I am getting the following error in the logs:  %PLATFORM_STACKPOWER-4-PRIO_CONFLICT: Switch 1's power stack has conflicting power priorities.  Not sure what I should do next. Below is my Stack-power configuration:
Power stack name: Powerstack-1    Stack mode: Power sharing    Stack topology: Ring    Switch 1:        Power budget: 735        Low port priority value: 20        High port priority value: 10        Switch priority value: 2        Port 1 status: Connected        Port 2 status: Connected        Neighbor on port 1: c464.1308.7900        Neighbor on port 2: e8b7.4827.e680
    Switch 3:        Power budget: 729        Low port priority value: 22        High port priority value: 13        Switch priority value: 4        Port 1 status: Connected        Port 2 status: Connected        Neighbor on port 1: 2894.0fd9.9f00        Neighbor on port 2: 2894.0fd8.e200
    Switch 2:        Power budget: 690        Low port priority value: 21        High port priority value: 12        Switch priority value: 3        Port 1 status: Connected        Port 2 status: Connected        Neighbor on port 1: 2894.0fd8.e200        Neighbor on port 2: c464.1308.7900
Each switch has its own 715W power supply in it and all check out OK.

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Cisco Switching/Routing :: 2960G Configuring Ether-channel On Stack-wise Stack

Sep 24, 2012

A site that i am responsible for has the following equipment installed: 

2 x 3750G Switches configured as a stack using Stackwise - Collapsed Core/Distribution Layer
5 x 2960G Switches as Access Layer switches
WAN connections into the Core/Distribution Layer are all Gigabit Ethernet over Fibre.This is a dedicated CCTV Network with 50 Cameras all streaming video into the Core (decoders connected to access switches)Each 2960G has 2 links to the Core/Distribution 3750G Switches, 1 to each switch - Gigabit.I'm running rapid-pvst on all switches, so spanning tree is blocking one of the ports and effectively halving the 2 gig bandwidth. Next year our customer is going to add in a further 50 - 60 cameras.After monitoring the current loading on the ports in use, we have suggested to the customer that the 2 connections to each should be Ether-channeled together. [code]
First interface takes commands no problem, keep getting the message that etherchannel cannot be configured across different switches in a stack when i try to put the second interface commands on.

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