Cisco Catalyst 3850 switches

A catalyst 3850 supports all functions of a SG350 in terms of QoS.  So, they should be ok.  We also have other customers using 3850.    In addition, certain models of 3850 also are PTP-aware switches which greatly help the stability of a PTP network.

https://content.cisco.com/chapter.sjs?uri=/searchable/chapter/content/en/us/td/docs/switches/lan/catalyst3850/software/release/16-12/configuration_guide/lyr2/b_1612_lyr2_3850_cg/b_1612_lyr2_3850_cg_chapter_01000.html.xml

With only a few IPT transceivers, PTP advanced functions are not required.   Clear-Com recommends PTP-aware switches when deploying over 20 PTP endpoints (Iris + IPT transceivers in total) or when the network topology involves more hops (>3) between the E-IPA and IPTs.   

These requirements however assume that Clear-Com traffic is “alone” on these switches.   If the customer has other types of traffic (video, Dante, etc) and multiple trunking ports (i.e. multiple traffic types mixing into a trunk port even if they are using separate VLANs), it might require more attention.  In case of doubt and if the switches are not already bought, using a network comprised of 3850 with PTP-aware function would remove the risk.

for more details see our FAQ page https://clear-com.atlassian.net/wiki/spaces/SF/pages/530120726