Extreme Networks Enterasys B3 and C3 PoE models Replacement — What Extreme Networks Recommends
Extreme Networks support for the Extreme Networks Enterasys B3 and C3 PoE models ended Jun 2016. Unsupported units need a plan. Extreme Networks'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 Extreme Networks-named replacement
per-part mapping in the bulletin (4 replacements listed) — named in the Extreme Networks EOL bulletin ↗ as the migration path.
B5G124-24P2 is not yet tracked on EOSL.ai — no vendor end-of-life notice has been captured for it, which is typical of current products.
Extreme Networks Enterasys B3 and C3 PoE models lifecycle dates
| SKU group | End of sale | EOSL / last support | Source |
|---|---|---|---|
| Enterasys B3 and C3 PoE models (Phase 2) | Jun 2011 | Jun 2016 | bulletin ↗ |
Per-part-number replacement mapping (5)
As listed in the Extreme Networks bulletin's migration table for each part number.
| End-of-life part | Description | Bulletin-listed replacement |
|---|---|---|
| B3G124-24P | Enterasys B3 and C3 PoE models | B5G124-24P2 / B5G124-48P2 / C5G124-24P2 / C5G124-48P2 |
| B3G124-48P | Enterasys B3 and C3 PoE models | B5G124-24P2 / B5G124-48P2 / C5G124-24P2 / C5G124-48P2 |
| C3G124-24P | Enterasys B3 and C3 PoE models | B5G124-24P2 / B5G124-48P2 / C5G124-24P2 / C5G124-48P2 |
| C3G124-48P | Enterasys B3 and C3 PoE models | B5G124-24P2 / B5G124-48P2 / C5G124-24P2 / C5G124-48P2 |
| C3G124-48P-G | Enterasys B3 and C3 PoE models | B5G124-24P2 / B5G124-48P2 / C5G124-24P2 / C5G124-48P2 |
Migration questions
What is the replacement for the Extreme Networks Enterasys B3 and C3 PoE models?
Extreme Networks's end-of-life bulletin names B5G124-24P2 as the recommended migration path for the Extreme Networks Enterasys B3 and C3 PoE models. The exact wording and any per-part-number mapping are in the linked bulletin.
Is the Extreme Networks Enterasys B3 and C3 PoE models end of life?
Extreme Networks support for the Extreme Networks Enterasys B3 and C3 PoE models ended Jun 2016. Unsupported units need a plan. Full lifecycle dates by part number: https://eosl.ai/system/extreme-enterasys-b3-and-c3-poe-models/.
Is there a per-part-number replacement mapping for the Enterasys B3 and C3 PoE models?
Yes — the bulletin maps replacements at the part-number level for 5 SKUs (for example B3G124-24P → B5G124-24P2 / B5G124-48P2 / C5G124-24P2 / C5G124-48P2). The full table is on this page.
Do I have to buy the Extreme Networks-recommended replacement?
No. The bulletin's named successor is Extreme Networks's suggested path, not an obligation. Teams also keep Enterasys B3 and C3 PoE models 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.