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Support #420

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OAM: Static DHCP reservations + LAN reverse DNS for all production VMs

Support #420: OAM: Static DHCP reservations + LAN reverse DNS for all production VMs

Added by Charles N 1 day ago. Updated 17 minutes ago.

Status:
New
Priority:
High
Assignee:
Charles N
Target version:
Phase 3: VM Standardization
Start date:
08/11/2026
Due date:
% Done:

80%

Estimated time:

Description

Production VMs have no DHCP reservations — they float in the pool. This breaks SNMP source resolution, syslog hostname lookup, and any LAN-addressed service. Pin each VM to its current LAN IP (non-disruptive) and add forward+reverse DNS records in Technitium.

Scope

  • Cross-reference Proxmox VM MACs with ARP table on netinfra-01
  • Create DHCP reservations at current IPs (no IP changes)
  • Add A + PTR records in Technitium for the 192.168.x names
  • Verify DHCP failover sync propagates to netinfra-02
  • Exclude: sectestbed-* (lab), templates, retired VMs

Data already gathered

  • 60 VM MAC addresses from all 7 Proxmox hosts
  • ARP table from netinfra-01 with current MAC→IP mappings
  • Existing dhcpd-primary.conf with 25 physical host reservations
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