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MX250 Firmware Update and Possible Network Loss
This is mostly a sanity check. We have dual MX250's for redundancy. If I do the firmware update, it will do one after switching the network over to the other MX250, and then when it is done, switch back and do the other one, so we won't be down till it is done? The manual says it does, but sometimes the manual is wrong, and this is something I can't have it be wrong on.
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Hi @rconiv , you are correct. The Primary will upgrade first with traffic failing over to the secondary. Then the secondary will have its firmware upgraded.
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.
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Hi @rconiv , you are correct. The Primary will upgrade first with traffic failing over to the secondary. Then the secondary will have its firmware upgraded.
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.
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Hi @rconiv
these are the steps
The Primary MX downloads firmware
The Primary MX stops advertising VRRP
The Secondary MX becomes active
The Primary MX reboots
The Primary MX comes online again
The Primary MX starts advertising VRRP again
The Primary MX becomes active again
The Secondary MX downloads firmware (approximately 15 minutes after the original upgrade is scheduled)
The Secondary MX stops advertising VRRP
The Secondary MX reboots and comes back online
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.
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Thank you, that is what I wanted to verify.
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You’re welcome. You’ve done your due diligence. 👍🏻
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.
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It happens just as documentation says it will. I had to monitor an upgrade once for a worried customer with a HA setup, and when I informed them it was done, they hadn't even noticed it took place.
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Hi @PaulMcG , you’re correct. It is amazingly seamless
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.
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Thanks, it is for a 24 hour medical based call center, so I have to be a bit extra paranoid.