chore: initial import from KNEL/PFVCluster@041d311 [#769]

Split per O&M lane work order. Full history: KNEL/PFVCluster.
https://projects.knownelement.com/issues/769#note-4152
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2026-09-03 21:30:32 -05:00
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# snmpd.conf — pfv-netinfra-02 [#420] scoped ACL for LibreNMS instrumentation
# Sources: tsys-librenms LAN (192.168.3.176) + Tailscale (100.86.204.77) only.
# No broad subnet grants (founder ruling 2026-08-27, matches dcinfra/sensors pattern).
sysLocation "Rack 3 netinfra (DNS/DHCP/NTP secondary)"
sysContact ops@turnsys.com
agentaddress 127.0.0.1:161,192.168.3.253:161,100.71.171.20:161
rocommunity kn3lmgmt 127.0.0.1
rocommunity kn3lmgmt 192.168.3.176
rocommunity kn3lmgmt 100.86.204.77
# Instrumentation feeds for the monitoring session (DNS/DHCP/NTP graphing):
extend ntpq /usr/bin/ntpq -c rv
extend dhcpd-leases /bin/sh -c "grep -c '^lease' /var/lib/dhcp/dhcpd.leases"
extend dhcpd-active /bin/sh -c "grep -c 'binding state active' /var/lib/dhcp/dhcpd.leases"