Questions tagged [stacking]
For questions about stacking of network devices. For instance, you are stacking a new set of switches or firewalls, where you need help with configurations or are troubleshooting a problem.
74
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Understanding the Role of Member Device in Cisco 3850 VSS Stack
Clarifying the Role of Member Device in VSS Domain Configuration
I am trying to understand the role of a device in a VSS domain as a "member."
What does it mean for a device to be a member?
...
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1
answer
26
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Stacking Pair of Dell PC2724 Switches
I have a pair of Dell PowerConnect 2724 switches that I'd like to stack. One switch will host components like the router, wi-fi access point, network printers, servers, etc. The other switch will be ...
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1
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218
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Cisco 9500 switch stack
I have a cisco 9500 switch that is live/up in productions but I need assistance or more information on how to add a few more switches to create a switch stack and would like to be pointed in the right ...
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2
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184
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Switch Renumbering
We have a switch stack with six Cisco 3850 switches in it and for some reason the physical order of the switches in the cabinet and the switch number are not in sync. This is causing confusion; when ...
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3
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718
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Stackpower - hot pluggable?
I need to add a C3850 switch to an existing switch stack.
I know I can unplug a stackwise cable from the stack without problems, but is it the same with stackpower cables ?
All switches have at least ...
- 590
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Adding cisco switch to an existing stack with slightly different naming convention
I'm new to networking and I'm gearing up to add a switch to an existing stack at my job. The existing stacks are showing the following when I issue the show version command:
Switch Ports Model ...
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0
answers
51
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Dual Juniper MX80 problem
We have 2x Juniper MX80 routers with only one currently being actively used. Second one is waiting to take over in the event of disaster. We also have two ISP's that deliver network to our MX80.
We ...
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2
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Cisco 2960x Stack IOS version mismatch
Hope some of you already have some hands-on experience with that - if you're adding a new switch to the stack and you get IOS version mismatch, can you still copy the bin image from the master to the ...
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2
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Connecting two HP 2910al Switches using SFP to get 2Gb/s speed
I would like to Connect my two HP 2910al switches using SFPs to get a maximum of 2G links.
is this possible, and how?
I want to make both of them to use the IP address (ex 192.168.2.xxx).
I have the ...
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0
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1
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Prime Infrastructure IOS-XE device type recognition
Catalyst switches usually form a stack on boot up, even if they are not stacked. They just form a stack with themselves. So Prime Infrastructure reads out the model of the switch, that says it is a ...
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Cisco 9300 Stacking Issue -- Link OK Yes, Link Active No
hopefully another pair of eyes can help me out with this. We have 4 Cisco 9300-24Ts data-stacked with all cables detected by the switches themselves. Switch order and priority looks good, however we ...
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Cisco 2960x: Adding a new cable to complete the "ring" with switches powered on - is it safe?
Let's say I've got a 2960x stack like the one shown below - as you can see one cable is missing as it was too short, so I ordered a longer one and am awaiting delivery. One thing I wonder about though ...
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LAG links between access switch and stacked switches
When an access switch is connected to two stacked switches through two links, is it necessary to configure LAG for those two links? (Those black links in the picture below.)
Or the stacking would ...
- 551
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What happens if I press the Button in a Stack Setup on a 2960-X?
Someone recently push the Mode button for too long and the Switch Stack restarted in Express Setup.
Is this the normal behavior on the Mode Button?
Where were debating that the Whole Stack was not ...
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Switch Stacking and Redundancy
If switches are stacked together using StackWise, what happens if one of the switches goes down? Is switch stacking bad for redundancy?
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How can I connect (stack) two Cisco SG350 together?
I am building a storage network, physically separated from the data network. I have two Cisco SG350-28P-K9 V02 switches:
One on the basement. Has two NAS, two ESX servers. (in use)
One on the 4th ...
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3
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How many stack cables would be needed if we want to stack two 3850 switches
How many stack cables would be needed if we want to stack two 3850 switches :
We have one 3850 switch and planning to add one more.
So my guess is only one Power & One data stack cable would be ...
2
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0
answers
156
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Renumbering Cisco 3750X Stack
I am thinking about renumbering my Cisco 3750X stack. Currently as it sits, the stack from top to bottom is
Switch 5
Switch 1
Switch 2
Switch 3
Switch 4
I am wanting the stack to be renumbered to ...
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2
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671
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Two switches, one uplink - best way to link them?
Overview
I have two Arista 7050SX switches. They don't support stacking. But I essentially will be using them as a stacked pair none the less (just means managing two individual switches).
They're ...
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2
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switch died after slow to rapid failure now DHCP will not function across network even with new switch
ok so i'm running out of ideas here.
we have/had 3 managed switches in our server rack and one in a closet; one hp procurve 3500yl 48 port with poe for 2 APs and 2 catalyst 2960s in the bottom of the ...
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Any expected issues with stack of 8 Cisco 3750X switches?
I am planning the network for our new offices this time utilising Cisco 3750X's (WS-C3750X-48P-S). The required port count has gone up and up so have had to procure some extra switches to bring the ...
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2
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Can you stack Cisco 350 28P PoE switches with CAT5E or CAT6 ethernet cables?
I have four new Cisco SG 350 28P PoE switches, but no stacking cables. Can I use CAT5E or CAT6 ethernet cables to accomplish stacking them?
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Stack Configuration remove
i have only one cisco 2960 running at location. Switch neither connected in stack nor any cable connected, still in running configuration, it shows switch is in stack and having two two interfaces ...
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0
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Cisco 2960X stacked switches pop up ACL error messages without any ACL configured nor input
I have a few Cisco 2960X with the fiber flexstack modules, when I boot them up, I always got these message:
'Duplicate sequence number.
Failed to add ace to access-list'
These are brand new switches ...
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votes
1
answer
8k
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Adding a new switch to a C9300 stack
We currently have a stack of Catalyst 9300, like this :
SW1 (master)
SW2
SW3
We plan on adding a 4th switch, SW4, but in between SW2 and SW3. This would give:
SW1
SW2
SW4
SW3
My question is : ...
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1
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698
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HPE IRF Stack why do I need two physical ports?
I'm building exactly the same topology, but there is no explanation why do I need two physical interfaces in IRF stack?
So, can someone please explain me, why do I need two physical members in IRF ...
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1
answer
122
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Connecting VDX6740 to ICX7750 core network stack
I am trying to figure out how to configure both MSTP for the core network and if I will need to enable MSTP on VDX6740 for this diagram after adding the new datacenter switches:
Diagram link: https://...
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1
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417
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Stacking Dell N3000 with and without stacking cable (distance)
First question here. I have a new scenario that I am not sure on how to achieve.
I have a stack of two Dell N3024 switches (our core stack), that I need to add two more units to. However, these two ...
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Cisco 2960X - Add Stack Member
I need to add another Cisco 2960x stack member to our existing stack and I just want to check that the steps I have in mind are correct:
Power up the new switch and check that IOS matches that of the ...
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1
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HP Stacking Not Joining
I have 2 HP 2920 switches and they aren't stacking as I'm expecting.
Both models are the J9729A, however one is Aruba branded and one is the original HP brand. Everywhere I read this shouldn't be an ...
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122
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2960 x Switches Stacking
can we have POE & NON POE Switches Stacked in on loop Exp( 2 nos of 2960 X 48 FPDL and 2 nos of 2960x 24 Port TDL
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Theoretical: Bottleneck in a switch stacking environment
Quick question regarding stacking environments and their limitations regarding traffic bottlenecks.
Assuming the following use case:
We have a stack of 8 switchs, forming a Half 10Gbps stack ring.
...
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2
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Endpoint MAC address change detection [closed]
A question regarding a host behavior when gateway mac address has changed (although it deals with Windows, I think it's the best forum).
Assuming a windows host sending trafic to a destination IP, ...
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How many stacking cables does a pair of stacked Dell switches need?
According to https://www.dell.com/support/article/us/en/04/how10356/how-to-stack-n2000-or-n3000-switches, when stacking Dell Switches, one should perform the following steps:
For each switch in the ...
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Changing The Stack Master of a Catalyst 3750 Without Losing Connection
Currently I have 5 Catalyst 3750 V2-48TS as slaves and 1 Catalyst 3750g 24TS-1U as the Stack Master.
I was wondering if there was any way to change the Stack master to one of the slaves without ...
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Stacking different HPE switches
Is it possible to stack 1 Aruba 2920-48G (J9728A) with 1 Aruba 2930M-48G (JL321A) each with its proper stacking module ?
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2
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D-Link Stacking
I want to stack two D-Link DGS 1510 with each other. Both of the switches already have a running config. My question is if one of the running configs will be used for the new stacked switch or that ...
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1
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Interface suspended when linking access to core
Some help required please.
I have a stack which contains two access switches, and an interface from switch 1 has a successful link to the core.
However, when I try adding a secondary link on switch ...
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3
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3k
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Stacking master and member correctly
I have two Cisco Catalyst 2960-X Series switches which I've stacked. I want the master to be switch 1 and the member to be switch 2.
After doing research on stacking the switches, it's my ...
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2
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Remove switch provisioning from individual switches
I've been given two switches to work on, which separately have been used in a stack previously. One switch for one stack, and one switch for another st.ack in a different building. So they're not ...
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Cisco 2690x-Flex stack not working
I have 2 identical Cisco 2690x with flex stack plus modules installed in both. I have provisioned the first and it is up and running. When I add the second to the flex stack module and turn it on, it ...
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Addition of new switch to an existing 3850 stack
I have a existing switch stack with 4 switches in the stack (all of them are 3850).
Switch Ports Model SW Version SW Image Mode
------ ----- ----- ----...
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Updating config on 2960s Stack by copying from FTP
I'd like to upgrade a stack of Cisco 2960s switches with a new configuration, and I would like to know what is required to copy a pre-populated config.text file from an FTP server to the switch stack.
...
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3Com 5500G EI Switch Stack Configuration
I have 2 3Com 5500 switch in stack and one of them is fault, I want to replace them with a new switch, which configuration must be added to the new switch before it can be added to the switch stack? (...
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Distributed Trunking with HPE 5130?
I am about to plan a Core Switch for a customer, who has only access switches connected to each other. I'd like to connect every core switch with two fiber connections to each of the two HPE 5130. I ...
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3
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9k
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Cisco 3750 switch stack with different IOS images
There is a situation here, I am trying to add a new switch to an exisiting stack and i found out that the switch image in my current stack and the new switch is different. Can i still go ahead and add ...
- 111
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2
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One of a switch in a stack is frozen
I have a stack of 3750 switches, which have 5 switches in it. One of the switches (switch 4) in the stack is frozen. The way I can tell is because all the lights on the switch are turned on, and I ...
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Addition of new switch to an existing stack
I have a existing switch stack with 5 switches in the stack (all of them are 3750). Now, I have to add another switch (3750) to that stack. I turned on the new switch that I got from my company to ...
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202
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Dell 4048 - Metro Ethernet Topology?
I have a customer with 3 sites, 5000 users. 2 sites are Data Centers and 1 site is HQ. The sites are connected via ring topology with 10G MetroEthernet service - that's 6 10G ports in all across 6 ...
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New to HP Switching. Asking topology questions
I have following design:
When I learn switching i started learning on cisco switches. Now We have 3 hp switches. We have to configure spanning tree between sw1,sw2 and sw3.
All I did was type ...
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