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XS724EM firmware 1.0.2.5 has NO-link issue with Cisco c300/c350 SMB switches at 1G link speed.
XS724EM firmware 1.0.2.5 is NOT fully compatible with Cisco small medium business 1G switches. For example, Cisco C300 SMB Series, C350 SMB Series, etc. To be clear: XS724EM Firmware 1.0.2.5 = U...
My Netgear XS724EM 1.0.2.6 beta firmware observations:
1.) During testing of the LACP configs between Synology DSM 7.1, 7.2, and Cisco C300-20, the links have been stable and no longer go into blocking mode and/or negotiation-loop.
2.) Both the Cisco C300-20 and directly-connected Netgear XS724EM with 2 SFP's for redundancy, had to be administratively rebooted (maintained settings), to stop the LACP negotation-loop (this NEVER worked in firmware 1.0.2.5).
3.) Performance seems to be slightly less, as well as less consistent with Netgear 1.0.2.6 firmware compared to 1.0.2.0 firmware (remember the 1.0.2.5 is incompatible with CIsco's LACP in our config thus it was unable to be tested or compared).
Overall, this Netgear XS724EM v1.0.2.6 beta firmware appears to have resolved the Cisco compatibility issue with advanced LACP redundant connectivity, with the caveats listed above.
I do not know why Netgear still has not posted it online, but you can open a case with Chat, and if you reference this post I'm told they will provide it to you as they continue to validate this new firmware version.
I hope this helps someone, good luck!
Update: Netgear escalation support provided me a beta 1.0.2.6 file in email on this support case.
It appears to be taking Netgear longer to fully test and release this update than we had been first informed.
My Netgear XS724EM 1.0.2.6 beta firmware observations:
1.) During testing of the LACP configs between Synology DSM 7.1, 7.2, and Cisco C300-20, the links have been stable and no longer go into blocking mode and/or negotiation-loop.
2.) Both the Cisco C300-20 and directly-connected Netgear XS724EM with 2 SFP's for redundancy, had to be administratively rebooted (maintained settings), to stop the LACP negotation-loop (this NEVER worked in firmware 1.0.2.5).
3.) Performance seems to be slightly less, as well as less consistent with Netgear 1.0.2.6 firmware compared to 1.0.2.0 firmware (remember the 1.0.2.5 is incompatible with CIsco's LACP in our config thus it was unable to be tested or compared).
Overall, this Netgear XS724EM v1.0.2.6 beta firmware appears to have resolved the Cisco compatibility issue with advanced LACP redundant connectivity, with the caveats listed above.
I do not know why Netgear still has not posted it online, but you can open a case with Chat, and if you reference this post I'm told they will provide it to you as they continue to validate this new firmware version.
I hope this helps someone, good luck!
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