I bought a PreSonus SW5E (updated to firmware 126.96.36.19947) because it looked like a good deal for an 802.1AS/gPTP switch with 802.3at/POE+ support.
However, it doesn't seem to ever send or forward PTP layer 2 ANNOUNCE messages. My network consists of a Meinberg LANTIME M1000 grandmaster, various working linuxptp clients. All these devices work flawlessly with the MOTU AVB switch or directly connected.
I see PTP path delay request and response messages from my devices and the switch. The peer delay is calculated to be less then 100 ns, but no additional messages pass like PTP management messages or ANNOUNCE messages from other devices on the same switch.
Is this switch not really 802.1AS complaint?
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