[c-nsp] 3750 stacks

[Harry Hambi - Atos]

Hi List,
If I introduce a new member switch to a stack, switch it on, can I then copy an IOS image from an existing members flash to the new stack member? Any information appreciated.

Harry Hambi BEng(Hons) MIET Rsgb




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[Nathan Lannine]

You should read this:
https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3750-series-switches/71925-cat3750-create-switch-stks.html#anc13.
Once the switch is fully compatible with the stack and joined, you should
be able to copy the image over, but I feel this likely does not meet your
need. The provided link should be helpful.

- Nathan

Post by Harry Hambi - Atos
Hi List,
If I introduce a new member switch to a stack, switch it on, can I then
copy an IOS image from an existing members flash to the new stack member?
Any information appreciated.
Harry Hambi BEng(Hons) MIET Rsgb
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[Harry Hambi - Atos]

Thanks for the link Nathan. I was meaning that the new member added had a different IOS version. This would cause the new member to go into provisioning mode, I think.
Would I then be able to copy the IOS from the flash of a member switch to the flash of the newly added member?

Harry Hambi BEng(Hons) MIET Rsgb

From: Nathan Lannine [mailto:***@gmail.com]
Sent: 13 September 2018 13:08
To: Harry Hambi - Atos
Cc: Cisco-nsp
Subject: Re: [c-nsp] 3750 stacks

You should read this: https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3750-series-switches/71925-cat3750-create-switch-stks.html#anc13. Once the switch is fully compatible with the stack and joined, you should be able to copy the image over, but I feel this likely does not meet your need. The provided link should be helpful.

- Nathan

On Thu, Sep 13, 2018 at 7:48 AM Harry Hambi - Atos <***@bbc.co.uk<mailto:***@bbc.co.uk>> wrote:
Hi List,
If I introduce a new member switch to a stack, switch it on, can I then copy an IOS image from an existing members flash to the new stack member? Any information appreciated.

Harry Hambi BEng(Hons) MIET Rsgb




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[Sean Granger]

If your stack image is newer, auto-upgrade should take care of it for you.

If it fails, you can run a show switch, find your master and the mismatched switch numbers, then issue
"archive copy-sw /force-reload /overwrite /dest newswitchnumber masterswitchnumber"

Though, since you're close enough to cable it into the stack, you could also just address (/30, for example) an interface of each switch, cross-connect them on those interfaces and TFTP the image across.
Sometimes the basics get the job done too ;)

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-***@puck.nether.net] On Behalf Of Harry Hambi - Atos
Sent: Thursday, September 13, 2018 7:14 AM
To: 'Nathan Lannine'
Cc: Cisco-nsp
Subject: Re: [c-nsp] 3750 stacks

Thanks for the link Nathan. I was meaning that the new member added had a different IOS version. This would cause the new member to go into provisioning mode, I think.
Would I then be able to copy the IOS from the flash of a member switch to the flash of the newly added member?

Harry Hambi BEng(Hons) MIET Rsgb

From: Nathan Lannine [mailto:***@gmail.com]
Sent: 13 September 2018 13:08
To: Harry Hambi - Atos
Cc: Cisco-nsp
Subject: Re: [c-nsp] 3750 stacks

You should read this: https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3750-series-switches/71925-cat3750-create-switch-stks.html#anc13. Once the switch is fully compatible with the stack and joined, you should be able to copy the image over, but I feel this likely does not meet your need. The provided link should be helpful.

- Nathan

On Thu, Sep 13, 2018 at 7:48 AM Harry Hambi - Atos <***@bbc.co.uk<mailto:***@bbc.co.uk>> wrote:
Hi List,
If I introduce a new member switch to a stack, switch it on, can I then copy an IOS image from an existing members flash to the new stack member? Any information appreciated.

Harry Hambi BEng(Hons) MIET Rsgb




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[Bryan Holloway]

+1

I'd much rather rely on good ol' TFTP then Cisco's IOS stacking code,
especially in a time-crunch situation.

Post by Sean Granger
If your stack image is newer, auto-upgrade should take care of it for you.
If it fails, you can run a show switch, find your master and the mismatched switch numbers, then issue
"archive copy-sw /force-reload /overwrite /dest newswitchnumber masterswitchnumber"
Though, since you're close enough to cable it into the stack, you could also just address (/30, for example) an interface of each switch, cross-connect them on those interfaces and TFTP the image across.
Sometimes the basics get the job done too ;)
-----Original Message-----
Sent: Thursday, September 13, 2018 7:14 AM
To: 'Nathan Lannine'
Cc: Cisco-nsp
Subject: Re: [c-nsp] 3750 stacks
Thanks for the link Nathan. I was meaning that the new member added had a different IOS version. This would cause the new member to go into provisioning mode, I think.
Would I then be able to copy the IOS from the flash of a member switch to the flash of the newly added member?
Harry Hambi BEng(Hons) MIET Rsgb
Sent: 13 September 2018 13:08
To: Harry Hambi - Atos
Cc: Cisco-nsp
Subject: Re: [c-nsp] 3750 stacks
You should read this: https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3750-series-switches/71925-cat3750-create-switch-stks.html#anc13. Once the switch is fully compatible with the stack and joined, you should be able to copy the image over, but I feel this likely does not meet your need. The provided link should be helpful.
- Nathan
Hi List,
If I introduce a new member switch to a stack, switch it on, can I then copy an IOS image from an existing members flash to the new stack member? Any information appreciated.
Harry Hambi BEng(Hons) MIET Rsgb
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