ptp Archives - Justin Wilson (j2sw)

Exploring the wireless Hardware Behind Cambium Networks

March 15, 2026July 11, 2025 by j2sw

Cambium Networks offers a broad and powerful hardware portfolio—from fixed wireless radios to enterprise Wi‑Fi and switches—all seamlessly managed via their cnMaestro and XMS platforms

Important Cambium Upgrade by July 1, 2021

March 15, 2026June 14, 2021 by j2sw

UPDATE: Cambium has extended this to January, 31 2022. Updated Bulletinhttps://www.cambiumnetworks.com/support/field-service-bulletins/fsb9083/?fbclid=IwAR0rhizW7jkovSvBFQnUTWyqEKL41nMEceEyfGaeFMAIOIiWNGZTVU0HmTE On July 1, 2021 Cambium will update the certificate for https://cloud.cambiumnetworks.com 14 to use a new Certificate Authority. All cnMaestro managed devices without the updated Root CA certificate will fail to connect to the cnMaestro Cloud service. Please see the following Field Service Bulletin (FSB) for ePMP … Read more

Cambium 670 Setup

March 15, 2026December 12, 2019 by j2sw

Great article on setting up Cambium 670 in a lab environment for testing

PTP 550, EPMP300 and ePMP 4.3.1 known issues

March 15, 2026April 16, 2019 by j2sw

Known issues which may be relevant to you with the ePMP-AC-V4.3.1 released on 11 Mar 2019 ACG-5026 [PTP550] Low percentage of packet loss is seen when traffic is running through SFP interface ACG-5310 [Force 300] PPPoE DL throughput degradation is detected on Force 300 SMs ACG-5320 [ePMP 3000] ePMP 3000 AP becomes inaccessible using MAC-telnet … Read more