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 :: 2960S / 6509 VSS - QoS Design Options?

Sep 26, 2012

On occasion employees are downloading large files for business purposes, at very fast speeds. This has the potential to overwhelming our Internet circuits which causes our Customers problems accessing our Web Hosting services.
Our network is comprised mostly of 2960S switches for the employees. Webservers are connected to other 2960(nonS) switches and directly into the 6509 VSS.
Customer’s traffic comes in through one pair of ASA’s.
Employee’s traffic is handled by another pair of ASA’s.
Employee traffic flows from the 2960’s, past an L3 SVI on the 6509, then through the Employee ASA’s, then to the ASR’s, then out to the ISP#1 or ISP#2
Web Server traffic flows from the 2960’s or 6509, to the Customer ASA, then to the ASR’s then out to ISP#1 or ISP#2. Web server traffic does not flow through an L3 SVI.
The goal is to allow employees the ability to have the most bandwidth they can, however customer traffic always has to be preferred in the event of a ISP circuit approaching its limit.

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Cisco WAN :: Stacking Switches 2960S

Apr 7, 2012

Im trying to Connect a 2960-S Catalyst Switch to a 3560 Catalyst Switch. It worth pointing out im newish to switching although i know some commands and what they do This is my first time connecting 2 switches together.

They are connected via a crossover cable and have green lights flashing on the connected ports When i run "show CDP neighbours it sees the new switch Unable to ping new switch...just timesout Here is the the interface on the 3650
GigabitEthernet0/40 is up, line protocol is up (connected)
  Hardware is Gigabit Ethernet, address is 001b.532f.8428 (bia 001b.532f.8428)
  Description: Uplink to Switch 2
  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,

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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 :: 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 :: 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

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Cisco Switching/Routing :: What Are Options Available To Add Cat3560 G Switch To Stack Of 3750x Switches

Sep 8, 2012

What are the options avilable to add a cat3560 g switch  to a stack of 3750x switches.?is there a connector avilable ?or is it possible to trunk via fiber ? cat 3560 has 4 sfps and 224 10/100/1000 ports with poe. cat 3750 stack has a 10 gb up link . What are the possible options?

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Cisco Switching/Routing :: WS-C3750X-12S-S Options To Achieve Putting All 4 Switches Into Single Stack

Feb 12, 2012

I have a couple of WS-C3750X-48T-L and a couple of WS-C3750X-12S-S, I want to stack all four of them together into a single stack. WS- C3750X-12S-S are running c3750e-universalk9-mz.122-58.SE2 whereas WS-C3750X-48T-L are running c3750e-universalk9-mz.122-55.SE3.I have got a couple of queries as under:What are the options to achieve putting all these 4 switches into a single stack? Can the LAN Base switches upgraded to IP Base?

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Cisco Switching/Routing :: To Use Flexstack To Stack Two 2960S 48 Port Switches

Oct 11, 2012

I would like to use flexstack to stack two Cisco 2960S 48 Port switches (2960S-48TD-L) for redundancy. Each switch will have a single 10G uplink into our Nexus 7K. One switch in the stack will terminate to linecard 6 (N7K-F248XP-25) and the other switch will terminate to linecard 7 (N7K-F248XP-25). My question is how many flexstack cables are needed? Do I need only one cable or do I need two to connect the two 2960s ?

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Cisco Switching/Routing :: Possible To Do LACP Using 2 X 10GB Between 3750X / 2960S Switches

Sep 4, 2012

I need to know if is possible to do a LACP using  2 x 10GB between 3750X and 2960S (WS-C2960S-48LPD-L) switches.

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Cisco Switching/Routing :: 2 PE Routers Connected To Each Other Via 2960S And 3750 Switches

Mar 5, 2013

I have 2 PE routers connected to each other via 2960S and 3750 (non-metro) switches:

[PE1] -- [2960S] -- [3750] -- [2960S] -- [PE2]

I will be sending voice and data traffic between the two and my voice traffic will be marked DSCP EF & EXP 5.

Since the 2960's and 3750's can't match on the EXP bits, I am wondering if the "mls qos trust dscp" command still works. Is the 2960/3750 able to match on DSCP even though there's an MPLS header on top of the IP packet?

I'd like to avoid having to tag my VLAN traffic on the PE and rely on COS to achieve QoS in this case.

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Cisco Switching/Routing :: Adding 2960s To Existing Stack Of Two POE Switches

Feb 27, 2013

I have to add a 2960s PoE switch to an existing stack of two 2960s PoE switches. If The new switch has no configuration on it and the existing stack is broken by pulling te stack cables and then new cables are added and everything re-cabled correctly will the new switch assume the configuration from the stack without any issues?

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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 :: 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 Switches :: SGE-2010 How To Wire Switches For Stacking

Dec 13, 2011

We had a SGE-2010, just purchased 2 (two) SGE-2010P. I want to stack the switches (all 3) (unless there is a better way). Not sure what is needed hardware wise, and how to physically wire the switches. Had switches years ago (diff brand) that used a special cable that connected the switches. It seems that is not the case here. I have not used fiber in networking before so I am new to that part, I’m willing to learn, just need pointed in the right direction.Can all three switches be stacked, (1) SGE-2010 & (2) SGE-2010P? I THINK I need to use the GBIC port 4 to stack, I understand 1 port is enough if two switches are used, but what about three or more switches.What are the other GBIC ports used for? Will I be better off (can I ) use the GBIC ports LAG (2 ports) to the other switches? Or would regular ports work just as well?

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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 :: 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 :: 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 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
 c3750e-ipbasek9-mz.122-53.SE2.bin        and for my 3750G switch should i use
Which would be 2 separate images

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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 :: 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

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 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 :: 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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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 :: 3560x Stacking And Multicast Traffic

Dec 20, 2012

I am trying to resolve a situation where we need to send multiple (2 atleast) multicast feeds from a source to our multilayer switch (3560x).
The problem with the source is that it can only send a feed to a single switch at a given time. It can not send 2 (identical) feeds to two 3560x devices (on 2 different subnets/vlans). I was wondering if i could make the two 3560x devices appear as  1 device (using virtual  chassis system or a similar feature). I am running ip services IOS feature set (c3560e-universalk9-mz.122-58.SE2.bin).

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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 :: Stacking WS-C3750X-24P With WS-C3750G-24PS?

Dec 10, 2011

I'm having trouble stacking a new WS-C3750X-24P with existing switches WS-C3750G-24PS ?I can see the license is on the  new WS-C3750X-24P:
 switch#sho lic
Index 1 Feature: ipservices
Period left: 8  weeks 4  days
License Type: Evaluation
License State: Active, Not in Use, EULA not accepted
License Priority: None

I could put on the c3750e-ipbasek9-mz.122-55.SE1 image, but I may need to get the license sorted still, but not sure if that will work or how to add it if i got one.....

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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 :: 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 :: 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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