get_poe_status()/set_poe() implement PoE port config via the ProSafe CLI's
'power inline' interface sub-commands. get_interfaces() now enriches chN
LAG entries and their member ports with trunk_group/lag_members/lag_mode
by parsing 'show port-channel all'. New set_lag_members() adds/removes
members via addport/deleteport.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
SNMP health metrics using Netgear enterprise MIB (OID 4526) for
memory free/total and CPU utilization string parsing, plus IF-MIB counters.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
NetgearPlus: get_snmp_config() returns None (SNMP not accessible via HTTP API).
NetgearSmart: get_snmp_config() reads current community, fix_snmp configures
'snmp-server community public ro' via CLI.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>