Zyxel P-873HNU-51B Replacement — What Zyxel Recommends
Zyxel support for the Zyxel P-873HNU-51B ended Apr 2021 — unsupported units need a plan. Zyxel's own end-of-life bulletin names the successor below — quoted from the source, with the successor's live support status where EOSL.ai tracks it.
The Zyxel-named replacement
named in the Zyxel EOL bulletin ↗ as the migration path.
VMG4825-B10A is not yet tracked on EOSL.ai — no vendor end-of-life notice has been captured for it, which is typical of current products.
Zyxel P-873HNU-51B lifecycle dates
| SKU group | End of sale | EOSL / last support | Source |
|---|---|---|---|
| P-873HNU-51B | Apr 2019 | Apr 2021 | bulletin ↗ |
Migration questions
What is the replacement for the Zyxel P-873HNU-51B?
Zyxel's end-of-life bulletin names VMG4825-B10A as the recommended migration path for the Zyxel P-873HNU-51B. The exact wording and any per-part-number mapping are in the linked bulletin.
Is the Zyxel P-873HNU-51B end of life?
Zyxel support for the Zyxel P-873HNU-51B ended Apr 2021 — unsupported units need a plan. Full lifecycle dates by part number: https://eosl.ai/system/zyxel-p-873hnu-51b/.
Do I have to buy the Zyxel-recommended replacement?
No. The bulletin's named successor is Zyxel's suggested path, not an obligation. Teams also keep P-873HNU-51B units running under third-party maintenance after the support cutoff, migrate to a different vendor, or run low-criticality units to failure with the risk documented. See the support-options guide for the trade-offs.