Complete Task 8.1: SNMP enabled on all MikroTik devices

- hAP ax³: SNMPv2c with netdisco community (192.168.31.2 only)
- cAP ac: SNMPv2c with netdisco community (192.168.31.2 only)
- CSS326: SNMPv2c with public community (SwOS limitation)
- All devices tested and responding to SNMP queries
- Updated Phase 8 status to IN PROGRESS
- Added SNMP config table to CURRENT-STATE.md

docs/07-CHANGELOG.md

@@ -1,4 +1,30 @@
 # Infrastructure Changelog
+## 2026-01-19 - SNMP Configuration for NetDisco
+
+### Task 8.1: Enable SNMP on MikroTik Devices - COMPLETED
+
+**hAP ax³ (192.168.31.1):**
+- [SNMP] Enabled SNMPv2c
+- [SNMP] Added `netdisco` community (192.168.31.2 only)
+- [SNMP] Restricted `public` community to 192.168.31.2
+- [SNMP] Contact: admin@xtrm-lab.org, Location: XTRM Home Lab
+
+**cAP ac (192.168.31.6):**
+- [SNMP] Enabled SNMPv2c via REST API
+- [SNMP] Added `netdisco` community (192.168.31.2 only)
+- [SNMP] Restricted `public` community to 192.168.31.2
+
+**CSS326 (192.168.31.9):**
+- [SNMP] Verified SNMP enabled (SwOS default)
+- [SNMP] Using `public` community (SwOS single-community limitation)
+- [NOTE] SwOS does not support address restrictions via API
+
+**Testing:**
+- [TEST] All three devices responding to SNMP queries from Unraid
+- [TEST] sysName.0 verified: HAPax3, CAP XL ac, CSS326-24G-2S+
+
+---
+
 ## 2026-01-19 - NetDisco Integration Planning
 
 ### Phase 8: NetDisco + NetBox Integration