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v1.16.6 - Zyxel GPON stick compatibility improvements#605

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tvancott42 merged 2 commits into
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May 12, 2026
Merged

v1.16.6 - Zyxel GPON stick compatibility improvements#605
tvancott42 merged 2 commits into
mainfrom
dev

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@tvancott42 tvancott42 commented May 12, 2026

Summary

  • Fix Zyxel lanpcs command parameters - Corrected the onu lanpcs auto-negotiation command for the Zyxel PMG3000-D20B SFP stick (parameter 7: 0 to 3, frame size: 9990 to 4096).
  • Recommend Zyxel V2.50 firmware for 2.5G - V1.00 firmware has an incomplete AN state machine that fails after host reboots. V2.50 fixes this and defaults to 2.5G out of the box. Dialog now leads with V2.50 upgrade guidance, with V1.00 workaround collapsed below.
  • General GPON stick firmware guidance - Added note that firmware upgrades may help other Lantiq and Realtek-based sticks with similar AN issues.

* Recommend Zyxel V2.50 firmware upgrade for 2.5G SGMII+ compatibility

V1.00 firmware has an incomplete AN state machine (missing SGMII clock
domain reset and DRC pre-set) that can't reliably converge at 2.5G after
host reboots. V2.50 fixes this and defaults to 2.5G out of the box.

Restructure the GPON compatibility dialog to lead with the V2.50
upgrade recommendation, collapse the V1.00 workaround instructions
by default, and link to the community firmware archive.

* Add general firmware upgrade guidance for other GPON ONT sticks

* Add general firmware upgrade guidance for other GPON ONT sticks

* Fix inaccurate kernel equivalence claim in other sticks guidance
@tvancott42 tvancott42 changed the title TBD release v1.16.6 - Zyxel GPON stick compatibility improvements May 12, 2026
@tvancott42 tvancott42 merged commit 915845d into main May 12, 2026
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