Product Firmware Version Restrictions
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Overview
Each Cisco Meraki product has a minimum firmware version that it can run which may not always match up with what the dashboard network is configured for. Therefore the node will run the minimum firmware it is capable of running, which may be higher than the network configured firmware. This article will list each currently supported product and the minimum firmware they can run.
Additionally, some devices which have reached end-of-sale may have maximum support firmware versions. The node will not be able to run firmware versions newer or higher than the indicated maximum version.
Note: Meraki recommends checking the Organization > Firmware Upgrades page to verify which firmware version your network is running, rather than referring to the available firmware messages that may be presented for each individual device. The Firmware Upgrades page is the best method to ensure you have the most recent build.
Learn more with these free online training courses on the Meraki Learning Hub:
MG
| Product | Minimum Runnable Firmware | Maximum Runnable Firmware |
| MG21 | MG 1.9 | Current |
| MG41 | MG 2.0 | Current |
| MG51 | MG 3.0 | Current |
| MG52 | MG 3.200 | Current |
MR/CW
| Product | Minimum Runnable Firmware | Maximum Runnable Firmware |
|
MR12 MR16 MR24 MR62 MR66 |
MR 20 | MR 26 |
|
MR18 MR26 MR34 |
MR 22 | MR 26 |
|
MR32 MR72 |
MR 23 | MR 26 |
|
MR42 MR52 MR53 MR84 |
MR 24 | MR 30 |
|
MR30H MR33 MR74 |
MR 25.1 | MR 30 |
|
MR42E MR53E MR20 MR70 |
MR 26 | MR 30 |
|
MR45 MR55 |
MR 26.3 | Current |
|
MR36 MR46 MR56 MR46E MR76 MR86 |
MR 26.7 | Current |
| MR44 | MR 27.5 | Current |
| MR36H | MR 28.5 | Current |
| MR57 | MR 28.6.1 | Current |
|
CW9166I and CW9164 MR28 MR78 |
MR 28.7.1 | Current |
| CW9162 | MR 29.5 | Current |
| CW9166D1 | MR 30.5 | Current |
| CW9163E | MR 30.5 | Current |
Warning: Please ensure that MR44 is connected to an 802.3at-capable (PoE+) switch/power injector during the initial installation OR ensure that the network the MR44 is added to is set to MR 27.6 or newer firmware.
This is because the default MR44 firmware image has support for the low-power mode, however, MR 27.5/27.5.1 or lower firmware does not have low power mode support. Using 802.3af switch/power injector with MR44 set to 27.5/27.5.1 or lower firmware might result in unexpected behaviors including but not limited to reboots or degraded performance.
Due to the reasons stated above, please do not downgrade the network with MR44 APs to 27.5/27.5.1 or lower firmware if they are being powered on by 802.3af (PoE) switch/power injector.
MS
| Product | Minimum Runnable Firmware | Maximum Runnable Firmware |
| MS420 | MS 5 | MS 15.23 |
|
MS22 MS42 MS220 MS320 MS350 |
MS 5 | Current |
|
MS210** MS225** MS250 |
MS 9 |
Current |
| MS120 |
MS 9.36 |
Current |
| MS125 |
MS 11.22 |
Current |
| MS130 |
MS 15.23 |
Current |
|
MS410 MS425 |
MS 8 | Current |
| MS355 | MS 11 | Current |
| MS450 | MS 11 | Current |
| MS390 | MS 11.29.1 |
Current |
| C9300-M/L | CS 16.3 | Current |
Cisco Catalyst
| Product | Minimum Runnable Firmware | Maximum Runnable Firmware |
| 24 port models ( C9300-24P, C9300-24T, C9300-24U, C9300-24UX ) | CS 15.21.11 | Current |
| 48 port models ( C9300-48P, C9300-48T, C9300-48UXM ) | CS 15.21.11 | Current |
| 48 port model (C9300-48UN) | CS 16.3 | Current |
| Fiber models ( C9300-24S, C930048S, C9300X-24Y, C9300-24Y ) | CS 16.3 | Current |
MV
| Product | Minimum Runnable Firmware | Maximum Runnable Firmware |
|
Gen 1 (MV21, MV71) |
MV 1.0 |
MV 4.15 |
|
Gen 2 (MV2, MV12, MV22, MV32, MV52, MV72) |
MV 3.2* | Current |
| Gen 3 (MV63, MV93) | MV 5.0 | Current |
* One-way firmware upgrades prevent downgrading to any version below 5.0, once an upgrade to version 5.x+ has been performed. Similarly, one-way firmware upgrades prevent downgrading to any version below 4.0, once an upgrade to version 4.x+ has been performed.
MX
| Product | Minimum Runnable Firmware | Maximum Runnable Firmware |
|
MX60/W MX80 MX90 Z1 |
MX 10 |
MX 14* |
|
MX400 MX600 |
MX 10 | MX 16 |
| MX100 | MX 10 | MX 18.1*** |
|
MX64/W MX65/W MX84 |
MX 12.1.2 | MX 18.1*** |
|
MX250 MX450 |
MX 14.19 |
Current |
| Z3 |
MX 14.16** |
MX 19.2 |
|
MX67/W/C MX68/W/CW |
MX 14.32, MX 15.11 | Current |
| Z3C | MX 14.33, MX 15.11 | MX 19.2 |
|
MX75 MX85 |
MX16.8 | Current |
|
MX95 MX105 |
MX16.9 | Current |
| Z4 | MX18.107.2 | Current |
| Z4C | MX18.206 | Current |
* Z1s, MX60/Ws, MX80s and MX90s cannot upgrade to MX 15 firmware, or any newer major release versions. If networks containing these devices are configured to run newer firmware revisions, they will run the newest MX 14 maintenance release instead.
** The Z3 once updated to MX 14.31 or 15.8 and beyond will not be able to run any older firmware than MX 14.31 or 15.8
*** The MX64/W, MX65/W, MX84, and MX100 devices cannot be upgraded to MX 18.2 firmware or any newer major release versions. If networks with these devices are set to run newer firmware versions, they will automatically use an MX 18.1 firmware version instead. The specific MX 18.1 firmware version that will be used is detailed in the release notes of each firmware version. For instance, if a network with an MX100 device is upgraded to MX 18.211.2, it will run MX 18.107.10.