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How many PTPv2 clients can the E-IPA service when acting as a PTPv2 Leader

How many PTPv2 clients can the E-IPA service when acting as a PTPv2 Leader

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    This article has been updated to use the new terminology instead

    PTPv2 Leader - formerly known as Grand Master (GM)

    PTPv2 Follower - formerly known as Slave / Client

    The E-IPA card can be configured to be a PTPv2 Leader on an AES67 / ST2110-30 network or it can be set to be a PTPv2 follower only.

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    The PTPv2 Leader unit on an AES67 / ST2110-30 network sends PTP sync packets to each PTP follower unit in its PTPv2 domain.

    There is a finite number of PTPv2 follower devices any PTPv2 Leader clock device can support.

    The E-IPA card can service approx. 20 PTP follower units when acting as a Leader clock. This number includes any Clear-Com and other 3rd party devices.

     

    Updated Jan 26, 2026

    Clear-Com recommendation for systems with more than 20 PTPv2 clients

    • use an external, GPS-locked PTPv2 Leader clock unit (like the Trilogy Mentor RG)

    • in combination with PTPv2 aware, boundary clock capable ethernet network switches

    • setup your external Leader clock to operate in PTPv2 two-step message exchange mode

    Jul 11, 2024

    E-IPA cards running v8.61.63.0 firmware support PTPv2 2-step message exchange only.

     

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