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+# Cascades of Tucson — UniFi Full Audit (2026-06-16)
+
+Generated by the `unifi-wifi` skill (read-only). Fleet: **77 U7-Pro APs, 12 switches, ~587 clients**,
+no UniFi gateway (pfSense firewall). All collectors ran clean.
+
+## Issues — prioritized
+
+| # | Sev | Issue | Detail / fix |
+|---|---|---|---|
+| 1 | **HIGH** | 2.4 GHz saturation (the "bad for some users") | 75 radios at auto/full power, ch6/1/11 at 16k–33k neighbor BSSIDs; 123 clients on 2.4 at ~10% retry. Fix: power-down 65 radios to Low, then disable 9 redundant (plan below). |
+| 2 | **HIGH** | ~25 switch ports linked at 100 M but gig-capable | FastEthernet/cabling-or-NIC issue capping those APs/devices at 100 Mbps (1st/2nd/3rd-floor switches). Physical: re-terminate/replace cable or check NIC. |
+| 3 | **MED** | 6 GHz essentially unused — **1 client** of 587 | 75 6E radios live, nearly empty. Enable band-steering (`bandsteer`/`bands`) to offload 5 GHz onto the clean band. |
+| 4 | **MED** | 5 GHz on 80 MHz (76/77) + 55 on DFS | 80 MHz kills spatial reuse in density → 40 MHz. DFS empirically low-risk here (0 radar events) but move to non-DFS for resilience (near Davis-Monthan). |
+| 5 | **MED** | 6 APs with 2.4 min-RSSI OFF; 4 APs off the 1/6/11 plan | min-RSSI OFF: 615, 608, 505, 517, 622, salon. Off-plan (auto): 128, 108, 108U7-Pro, salon. |
+| 6 | **LOW** | 3 offline switches + 2 disconnected APs + 1 firmware update | Offline: Switch 2nd Floor #2, Switch 4th Floor #2, USW Pro Max 16. APs: 108 ×2 (cable run pending, known). 1 device upgradable. |
+| 7 | **LOW** | p38 (1st Floor USW) 4.0% tx-drop rate | Correlates with the underspeed/heavy-traffic ports; investigate after #2. |
+
+## WiFi detail
+- **2.4 GHz:** 77 radios, all 20 MHz (good); power auto×75 (want Low); channels 1:20 / 6:28 / 11:25 / auto:4.
+  min-RSSI OFF on 6. Neighbor density: ch6 33,376 · ch1 19,355 · ch11 16,598 BSSIDs. Live retry avg **10.2%**.
+- **5 GHz:** 77 radios, 80 MHz ×76 / 40 MHz ×1; rogue density biased to ch149/157 (busy upper). 463 clients. retry avg **8.0%**.
+- **6 GHz:** 75 radios active, **1 client**. Wide open.
+- **AP satisfaction (live):** min 90 / median 98 / max 100 → healthy in aggregate; the pain is the 2.4 GHz client tail.
+
+## Data-backed radio plan (optimize-radios + /proc/ui_neighbor SNR matrix)
+- **Phase A — power-down 65** 2.4 radios to Low (smaller cells cut mutual interference; coverage-safe).
+- **Phase C — disable 9** redundant 2.4 radios after re-measure (each heard by ≥2 strong neighbors):
+  127→128, 229→128, 248→348, 330→128, 445→347/348/247, 428→128, 622→505/615/608, Kitchen→Memcare TV room,
+  Dining Room→memcare piano. Est. interference-airtime removed: ~619.
+- **Channel plan available:** 2.4 GHz 1/6/11 graph-color (co-channel pairs **92→35**); 5 GHz non-DFS
+  (**20→0** and all off DFS).
+
+## Switch / PoE (12 switches, 29 flags)
+- ~25 ports at 100 M but gig-capable (see #2). PoE budgets healthy (e.g. 1st-floor 160/600 W).
+- 3 offline switches (above).
+
+## Gateway / WAN
+- No UniFi gateway (pfSense) → WAN/internet not measurable via UniFi. Adoption: APs 77 (2 disc), switches
+  12 (3 disc), 587 clients.
+
+## Recommended sequence
+1. Physical: fix the ~25 underspeed ports (#2) + chase the 3 offline switches / AP 108 cable.
+2. WiFi Phase A: power-down 2.4 to Low per zone, validate with watch-ap (live before/after).
+3. Enable 6 GHz band-steering + 5 GHz 80→40 MHz non-DFS channel plan.
+4. Set 2.4 min-RSSI on the 6 OFF APs; pin the 4 off-plan APs to 1/6/11.
+5. Phase C: disable the 9 redundant 2.4 radios after re-measure.
+
+(All changes via the gated `apply-radio`/`apply-wlan`/`channel-plan` scripts — per zone, with rollback +
+live validation. Nothing applied in this audit.)