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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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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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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Jul 20, 2012
Does the SF300 support stacking? If it does, which port(s) are the ideal ones?
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Jun 4, 2013
I have a Cisco SG500-52P along with an older SGE-2010P, am I correct that in order to stack they must be the same series?
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May 29, 2013
I am currently running two SGE2010 in stack and planning to purchase new Sg500 .I have two questions :
1. If these two different products can be managed as one stack.
2. Are the SFP (mini-GBIC) connections compatible and if so what accessories or parts do we need to enable them?
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Mar 15, 2013
The switch SG500X-48 has 4 SFP+ ( 10G ) ports - XG1, XG2, XG3/S1, XG4/S2 - and two configuration modes - standalone and "native stacking".
Can I use XG1 and XG2 SFP+ ports to connect servers when "Native stacking" mode is active ?
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Nov 7, 2011
So it seems like the SG300 series (have here sg300-52) can be run as standalone unit and also in stacking mode. but i can not find any documentation or howto for this.
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Sep 11, 2012
I discovered on a pair of SG300-28P.
On a second switch (ver 1.2.7.76) when I unplugged the power cord, to my amazement the switch turned right back on (about 1 second later), with the power cord removed. To verify that the power is indeed coming from POE, the upstream switch (ver 1.1.2.0) that is the same model (sg-300-28p), shows all 7 Ethernet ports connecting the two drawing from 2700mW, to 3000mW.
While the second switch is powered from the first over POE, the POE does not work on the second switch to power anything, and the system summary mentions something about "PoE Power Information on Master Unit".
Is this a stacking operation, and is POE on the second switch NOT supposed to work when powered over Ethernet from an upstream switch?
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Aug 14, 2011
answer regarding stacking the SGE2010 switches versus link aggregation if greater than 1 Gb connectivity is required between individual switches? Currently have several switches in a stack configuration but would like to increase the bandwidth between some or all of the switches. Does stacking support a link aggregation configuration? If so what ports can be used and how should the link aggregation be configured in conjunction with the stacking?
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May 12, 2013
I am installing a network that has two SG500X-24 switches as core and several SG300-52 switches as access switches. I've seen in the SG500X-24 datasheet that there is a True Stacking feature. But in the data sheet there are not a lot of details about it. My doubt is the following. If I configure the two SG500X-24 switches as a single switch through stacking them, can I connect one SG300-52 switch to these two SG500X-24 switches through two cables (both configured as a LAG in the SG300-52 and in the SG500X-24 stack, one cable per SG500X-24), the the first cable connected to the first SG500X-24 switch and the second cable connected to the second SG500X-24 switch and keep both connections active?
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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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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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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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Jul 25, 2011
I have a CiscoWorks LMS 2.6 and i would like to know if the new Switches Catalyst 2960-S Series are supported with this LMS version?
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Mar 2, 2012
We have a stack of 2960S, and have a new client that wants to connect via diverse fibre to both switches(From 2 switches on there side). We currently run MST and client is (currently) running PVRST. The 2 links will be trunks (With the same ~5 vlans running over both)
Our "standard" trunk config is:
switchport trunk allowed vlan 228,229,265-268
switchport mode trunk
mls qos trust dscp
storm-control broadcast level 20.00
storm-control action trap
no cdp enable
spanning-tree bpdufilter enable
spanning-tree guard root
So after recommendations on what is needed to avoid L2 loop, and to ensure we force one trunk port to be the "primary" for those vlans, and the the other trunk port to be "backup"?
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Mar 22, 2012
configuring 802.1x authentication on ACS 5.1.0.44 & Catalyst 2960S switches.All the documents i have found seem to have incorrect screen shots or missing steps.I have found a doc external to Cisco [URL]however this just hangs when attempting to complete the task in figure G.The other docs are for configuring IBNS & assume that 802.1x is already configured.
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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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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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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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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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Feb 8, 2013
tell if a 2960S switch has a stacking module in it, aside from physically looking at it?
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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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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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Apr 17, 2012
I have 2 procurve switches
2848
2650
Procurve stacking? Is that just a way too manage both switches together?
Or is it for combining both switches together?
Or is that called something else in procurve speak?
Or is that feature not actually available etc?
Next to learn how to breakup the 2848 into multiple switches.
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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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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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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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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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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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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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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
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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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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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