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1.9 KiB

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