# Proxmox Hosts MAC Addresses **Date**: 2026-01-05 **Network**: VLAN 11 (192.168.11.0/24) --- ## MAC Address Summary | IP Address | Hostname | MAC Address (vmbr0) | Status | |------------|----------|---------------------|--------| | 192.168.11.10 | ml110 | `1c:98:ec:52:43:c8` | ✅ Confirmed | | 192.168.11.11 | r630-01 | `20:47:47:7e:37:6c` | ✅ Confirmed | | 192.168.11.12 | r630-02 | `c8:1f:66:d2:c5:9b` | ✅ Confirmed | --- ## Verification Details ### Method 1: ARP Table From local system ARP cache: - ✅ **192.168.11.10**: `1c:98:ec:52:43:c8` (REACHABLE) - ✅ **192.168.11.11**: `20:47:47:7e:37:6c` (REACHABLE) - ✅ **192.168.11.12**: `c8:1f:66:d2:c5:9b` (STALE but confirmed) ### Method 2: Bridge MAC Addresses Direct from host bridge interfaces (vmbr0): - ✅ **ml110**: `1c:98:ec:52:43:c8` - ✅ **r630-01**: `20:47:47:7e:37:6c` - ✅ **r630-02**: `c8:1f:66:d2:c5:9b` **Note**: Bridge MAC addresses are the authoritative source for host IP assignments. --- ## Additional Information ### Physical Interface MACs | Host | Physical Interface | MAC Address | Notes | |------|-------------------|-------------|-------| | r630-01 | nic2 | `20:47:47:7e:37:6e` | Physical NIC (differs from bridge) | | r630-02 | nic2 | `c8:1f:66:d2:c5:9b` | Physical NIC (same as bridge) | **Note**: The bridge MAC may differ from the physical interface MAC. Use the bridge MAC for network configuration and reservations. --- ## Usage These MAC addresses can be used for: 1. **Static IP Reservations** in DHCP servers 2. **UniFi Controller** static IP assignments 3. **Network documentation** and inventory 4. **Firewall/MAC filtering** rules --- ## References - **Network**: VLAN 11 (MGMT-LAN) - **Subnet**: 192.168.11.0/24 - **Gateway**: 192.168.11.1 (UDM Pro) - **Documentation**: `docs/04-configuration/VLAN_11_SETTINGS_REFERENCE.md` --- **Last Updated**: 2026-01-05 **Status**: ✅ **Verified**