Cisco Switching/Routing :: 3750X And 3750 Stacking Together

Nov 1, 2012

I have two WS-C3750-48PS-S switches and I need to add two more.  The new part number I am looking at is WS-C3750X-48P-S will these all stack together ?

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Cisco Switching/Routing :: Stacking With 3750X?

Jan 1, 2013

There seems to be a lot of conflicting information on what can and can't stack together in the 3750X range.
 
I know that LAN Base can only stack with other LAN Base switches.
 
Can IP Base stack with IP services in 3750X? I have also heard that the 15.x.x IOS restricts mixed feature set stacks?
 
I know that Cisco recommends that all switches in a stack have the same IOS and feature set but having all IP Services in a stack can get too expensive.

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Cisco Switching/Routing :: Stacking 3750X With 3750G?

Apr 22, 2013

I have one 3750X with C3KX-NM-10GT, I need to interconnect using stackwise to 3750G-24TS. The 3750X needs IOS 15.0(1) to use C3KX-NM-10GT, and the latest IOS for 3750G-24TS is 12.2.55. How can I interconnect them using diferent IOS?

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Cisco Switching/Routing :: Stacking A 3750X With 3750Gs

Jan 23, 2013

We currently have a stack of 3750G switches that are running 12.2(46)SE C3750-ADVIPSERVICESK9-M
 
Our 3750X is currently running 15.0(2)SE C3750E-UNIVERSALK9-M and I believe we were told you can't stack with a Universal IOS image. We have the universal on there because we have some 10GB fiber connections on it that Cisco told us wouldn't work otherwise.
 
I realize that the switch versions need to match, but the question is, which version should we work off to have use of the 10GB SFP card?

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Cisco Switching/Routing :: Stacking Switch 3750E And 3750X?

Oct 3, 2012

can I make the stacking of these two switches WS-C3750E-48PD-SF and WS-C3750X-48PF-L. Both have universal IOS.

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Cisco Switching/Routing :: 3750X Setting Up Power Stacking Switches

Dec 27, 2012

I'm trying to get some clarity on power stacking 3750X switches. I have a new stack of 6 switches. I know I can only have 4 in a power stack and all 6 in the data stack with a max of 8. I'm trying to find the proper way to connect the power stack cables for the 4 switch power stack.

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Cisco Switching/Routing :: Power Stacking For 3750x - Both Cables Needed?

Jun 7, 2012

Suppose I have a 3 member stack of 3750x switches.  Members a, b and c.I have all 3 members stacked with all 3 *data* stacking cables in a daisy-chain topology.  The 50 cm data stacking cable from switch a (on the very top) to switch c (on the very bottom) just barely reached.Of course, that means the 30 cm *power* stacking cable didn't reach between a & c.  Right now, the power stacking cable goes from a to b, and then another cable from b to c.  Leaving me with a useless extra 30 cm power stacking cable.
 
My question is, can switch "a" receive power from switch "c" through switch "b"?  Is this just a big electrical "bus"?  What if the power supply in switch "b" is removed?Just wondering if there is a need for me to get a longer power stacking cable (one of the 150 cm power stacking cables). 

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Cisco Switching/Routing :: Stacking 24 And 48 Port 3750X Switches Not Working?

Dec 11, 2012

We purchased a number of 3750X 48 and 24 port switches for the College Campus. Am finally getting around to getting them inserted on the network. Working with a WS-3750X-48PF-S and a WS-3750X-24P-L. Have them stacked with the 10Gb uplink on the 48 port switch. Have not been having fun.In the boot sequence, the switches recognize they are stacked, but as soon as they finish boot, I get the message on the 48 port switch: “Stack Port 1 Switch 1 has changed to state down.” Then “Stack Port 2 Switch1 has changed to state down.” Am noticing that I have a message preceding that: “Major version mismatch with stack neighbor.”The 48 port is running c3750e-universalk9-mz.150-1.SE3, HBOOT 12.2(53r)SE2.The 24 port is running c3750e-unversalk9-mz.122-55.SE3, HBOOT 12.2(53r)SE2Most of our 3750X and older switches are running 122-55 or 122.58 code. IP base or Universal. There is speculation that the problem is the 24 Port is Lan base, as the part number might indicate. (WS-C3750X-24-P-L.... I think that is the part number) and the 48 is IP base. Both switches are Universal, and my understanding is that they don't care about LAN or IP Base until you enable a function that falls in the IP Base domain. Then I have to call Cisco Licensing.For these switches, LAN Base is fine, based on the boot message, I feel the real problem is 122-55 versus 150-1 in the stack. So.. the question is: Do I downgrade the 48 port to match what we have in our environment, and what is on the 24 port switch. Or... Upgrade the 24 port switch to match the 48 port switch and have an installation that is not consistent with our environment? I do have two more edge closets to install with this purchase of 3750X 48 port switches.

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Cisco Switching/Routing :: Catalyst 3750X Stacking Convergence Time?

Nov 14, 2011

convergence time in case of stack master will be switched over to other switch.In my understating, when the stack master will be switched over to other switch based on election algorithm, convergence time will be less than 10 second.
 
I tried to calculate concersion time during fail over testing but convergence time was 21 second. I think it is too long...

Expected reasons

・I configured Rapid Spanning tree protocol between L3 and L3. (But RSTP's convergence time is 2~3 second..)

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Cisco Switching/Routing :: 3750X - 48PS Switches Power Stacking

Mar 28, 2012

In my office we bought 7 cisco 3750X - 48PS switches. We configured Data Stacking between those switches. We also want to configure Power Stacking between those 7 devices.
 
I found in the Data Sheet that we can only configure 4 devices in power stacking at a time. If it is like that how to configure the rest of 3 devices. Need configuring power stacking between those devices in a better way..

power stack cable part no we have is
CAB-SPWR-30CM

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Cisco Switching/Routing :: 3750x Remove Stacking Option On Sunday For Testing

May 2, 2013

is it easy to remove the 3750x stacking?  i'd like to test one of them on a sunday and keep the other one on production.  it's just two stack of 3750x, is it hard and do i really need to remove the cables on the back?
 
basically i need to put a different config for my testing, i gues i need to remove the cables right?  and put it back on the stack before monday.

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Cisco Switching/Routing :: Stacking 3750g And 3750x - Hardware Version Mismatched

Jul 18, 2012

I am trying to stack a 3750g with a 3750x. At the moment they will not stack with their current IOS as the hardware version is mismatched.
 
According to various posts this is possible as long as the same IOS is in use. The following IOS are currently in use:
 
3750g     -     c3750-ipbaselmk9-tar.122-55.SE5
3750x     -     c3750e-ipbasek9-mz.150-1.SE3
 
I have tried to downgrade the IOS on the 'X' to 122-55.SE5 however, i get errors regarding firmware incompatibility.
 
I am unable to upgrade the IOS on the 'G' to 150-1.SE3, as the size of the IOS image is larger than the available flash (Version 15 IOS for the 3750G (c3750-ipbasek9-mz.150-1.SE3.bin) is 16,074,189 bytes whereas the 3750G has 16MB of flash memory or 15,998,976 bytes total which mean the IOS will not fit).
 
Has not actually stacked these devices successfully? I understand there may be license implications of upgrading to 15 but at the moment I just want them to stack!

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Cisco Switching/Routing :: 3750 POE Switch Stacking?

Aug 12, 2012

We have three Cisco 3750 - 48port  POE -LAN switches and i am trying to see if there are any issues when we stack POE and Non-POE type of switches.Aslo looking for information on the advanatage and disadvantage the stacking can provide on a Cisco 3750 48port.

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Cisco Switching/Routing :: Stacking 3750-X With Universal Image With 3750-G Running BIN Image?

Oct 10, 2011

I'm looking at adding a Cisco 3750-X switch running c3750e-universalk9-mz.122-55.SE1 (IP base license) into a stack of 3750-G switches running c3750-ipbasek9-mz.122-55.SE1.bin Given that the version and feature sets are the same I don't forsee any compatibility issues. Would there be any reason why a universal image wouldn't stack correctly with other switches running the single .bin file?

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Cisco Switching/Routing :: Stacking Or 10GE Link Between Two 3750

Jan 22, 2013

We have two 3750 stackable switches in core layer.
 
1. We are planning to stack two 3750 for greater bandwidth to use
 
2. We could configure 10GE link (by Network module) between these two switches
 
which solution provides increased bandwidth and redundancy?

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Cisco Switching/Routing :: How To Monitor 3750 Stacking Port In LMS

May 24, 2012

I would like to ask about 3750 stacking and some Cat6 stuff...
 
1) How do we monitor 3750 stacking port in LMS?
2) Let say if I stack 3 switches, middle switch should be Master. Uplink should be at Top and Bottom. Is best practice?
3) Can we mixed 3750G and 3750X and what is result internal BW - fallback to 32Gps?
4) is there any Qos difference between WS-X6816-10G-2T and WS-X6816-10G-2TXL?
5) is there any Qos difference between MSFC5 PFC4 and MSFC5 PFC4XL?
6) What is main difference between PFC4 and PFC4XL in Sup2T?
7) Pls share more about Central and Distributed Switching in Sup2T and which card support Distributed DFCXL?

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Cisco Switching/Routing :: Switch 2960 / 3750 Stacking?

Feb 19, 2013

how to stack 2 switches catalyst 2960 also haw to stack 2 cisco 3750 switches

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Cisco Switching/Routing :: Build Improved Redundancy Into LAN By Stacking Two 3750

May 1, 2012

I plan to build improved redundancy in to my LAN by stacking two 3750s and teaming pairs of NICs on my Dell PowerEdge servers, with each cable of the pair going to a different switch.In my mind this provides redundancy for the NICs and the switches. Does this configuration will work, and also what type of teaming is supported, as I was planning to have one NIC active and one standby, but can I run this configuration with both NICs in the team as active with load balancing?

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Cisco Switching/Routing :: 3750 EtherChannel / Stacking In Core Layer

Nov 23, 2011

As we know there are three layer in cisco Network Model:
 
-Core
-Distribution
-Access
 
So my question is  in Core / Distribution layer should i use Etherchannel between switches or use Stacking if switches are stackble.For ex: suppose I have two cisco 3750 switches . so should i use etherchannel between them or use stacking in core layer?What are the advantages and disadv of both.

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Cisco Switching/Routing :: Downgrade 3750X With IP Base To LAN Base For Stacking

May 6, 2012

I have a WS-C3750X-12S-S (IP Services) that I THINK I'd like to downgrade to LAN Base so I can stack it with a WS-C3750X-48T-L that is already LAN Base..

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Cisco Switching/Routing :: 3750-X Stacking Switch By Switch

Nov 18, 2012

I have two 3750-X configured to be a stack and I am planning to re-rack these somewhere else.  What I would like to know is what are the effects of having the master switch itself lose power?  Does it immediately just make the member take over master (there should be no election since there are only 2 switches??) and there would be no loss of connectivity?

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Cisco Switching/Routing :: Add A New 3750x To Existing Stack Of 3750

Aug 2, 2012

I've a situation where I need to add a new 3750x to a existing stack of 3750. [code] When I tried to stack them together, I get a version mismatch error. Is this because of the difference in SW Image?  What are my options next ? My ultimate goal is to make the new switch stack correctly with the exisitng switches.

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Cisco Switching/Routing :: Adding 3750X To Stack Of 3750?

Jul 17, 2012

I am getting a version mismatch when adding the following 3750X to the 3750 stack:
 
   WS-C3750X-48       12.2(55)SE3           C3750E-UNIVERSALK9-M
      2 0     WS-C3750-24TS     12.2(25)SEA           C3750-I9K91-M
 
Can I upgrade the 3750's to be able to correct this?  Which version does this require?

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Cisco Switching/Routing :: Catalyst 3750 And 3750X Together In One Stack?

Nov 20, 2011

if I read the Datasheet of Catalyst 3750X-Series-Switches it is possible to connect a new X-Switch to an existing and old Catalyst 3750-Series Stack.What kind of requirements are needed? Only same IOS-Version in the hole Stack and if possible same Feature-Set? .... like in a normal NOT mixed Stack?

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Cisco Switching/Routing :: Replacing Two 3750 (stacked) With 3750X

Jun 3, 2013

I was wondering what general steps might be taken in order to "replace two(2) 3750 (stacked) with one (1) 3750X - Server Access". General steps and what I might have to do configuration wise. I know i'm copy pasting the existing configs into the new switch, but are there any caveats?

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Cisco Switching/Routing :: 3750X / 3750 V2 - Upgrade License

Dec 6, 2011

I recently added a 3750X-24P-L into a stack of 3750V2 switches.  I did so by getting the temporary upgrade license from LAN Base to IP Services; I added the switch no problem.  I now have the permanent license and I was wondering if I could install the permanent license without having to remove the switch from the stack.  I tried a license install but that failed.  The switch is not currently the master but I figured I might promote it and then try the install. 

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Cisco Switching/Routing :: SG 500 Stacking SFP Cabling

Nov 14, 2012

How to stack a set of these switches with the copper 5G SFP on these switches. We currently have 4 switches stacked with Cat5e jumpers between S1&S2. We want to stop using this stacking method and go to the SFP. What is the best way to do this. Live would be preferable but whatever is the safest method is the way we will proceeed. Any goth'ca's in this process?

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Cisco Switching/Routing :: 6500 - Stacking Over Fiber?

May 23, 2012

Someone had told me the 6500 switches can be stacked via fiber. This feature is available for the 3750s?

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Cisco Switching/Routing :: Stacking 3750G And The 3750E?

Nov 20, 2012

have 2 3750's one is an 3750E the other one is a G... Since they are 2 different versions Do I need to correct ios for each for example my 3750E switch i would have
 
IP BASE
 c3750e-ipbasek9-mz.122-53.SE2.bin        and for my 3750G switch should i use
  
IP BASE
 
c3750-ipbasek9-mz.122-53.SE2.bin
  
Which would be 2 separate images

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Cisco Switching/Routing :: C3750-X Stacking Configuration

Mar 30, 2013

I am having troubles to get 2 C3750-X switches WS-C3750-X-48P-L) to stack.   They are both running  iOS 15.0(2)-UNIVERSALK9, and are licensed for IP Base.
 
If I connect stack port 1 of switch 1 to stack port 2 of switch 1, and  stack port 1 of switch 2to stack port 2 of switch 2 I get the following:
 
WS-C3750-X_STACK1_SW1>show switch stack-ports summary
Switch#/  Stack   Neighbor   Cable    Link   Link   Sync      #         InPort#     Port              Length    OK   Active   OK    Changes   Loopback          Status

[Code].....
 
I have tried restarting (powering off for about 1 min and turning back on) simultaneously, and powering off switch 1 for 1 min and switch 2 for 2 min.   I have also tried both enabling the stack ports, and disabling followed by enabling.

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Cisco Switching/Routing :: 3560 V2 Stacking With 3560X?

Mar 14, 2012

Im going to be ordering a new 3560X L3 switch (ws-3560x-48pf-s). We currently have a 3560 V2 switch and I've read it supports stacking, but looking at the back I just see a console port. Is there an extra card I have to get for this 3560V2 to make it stakable with the 3560X?

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Cisco Switching/Routing :: Stacking 2960S Switches Options?

Oct 10, 2012

I have 2  Catalyst 2960S (24 ports and 48 ports). Can I stack them using the Uplink connection instead of the stack modules. I know Stack module is the best option but it is kind of expensives (half price of the 24 ports switch) and I only need to stack no more then 2 switches.

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Cisco Switching/Routing :: Catalyst 2960-S Stacking Connection

Apr 11, 2012

I followed the 3-switch Redundant stacking diagram and now when I boot up the stack Switch 2 is acutally Member 3 and Switch 3 is Member 2.
 
We plan on having Port-Channels spanning across Switch 1 - Master and Switch 2 (Member 3) of identical port types. Switch 3 (Member 2) is going to have 2 10GIG port channel created.
 
Is there going to be a problem renumbering the stack as they physically sit or should I just configure the devices based on thier logical member numbers.
 
I don't understand why the stack connection is Switch 1 - 1 ----> Switch 2 -1
                                                                    Switch 2 - 2 ----> Switch 3- 1
                                                                    Switch 3 - 2 ----> Switch 1 - 2

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