# Container MAC Addresses **Date**: 2026-01-21 **Container**: VMID 10233 (npmplus) on r630-01 --- ## MAC Addresses ### 192.168.11.166 (eth0 - net0) - **IP Address**: `192.168.11.166/24` - **Interface**: `eth0` (net0) - **MAC Address**: `BC:24:11:18:1C:5D` - **MAC Address (lowercase)**: `bc:24:11:18:1c:5d` - **Bridge**: `vmbr0` - **Type**: `veth` - **Gateway**: `192.168.11.1` ### 192.168.11.167 (eth1 - net1) - **IP Address**: `192.168.11.167/24` - **Interface**: `eth1` (net1) - **MAC Address**: `BC:24:11:A8:C1:5D` - **MAC Address (lowercase)**: `bc:24:11:a8:c1:5d` - **Bridge**: `vmbr0` - **Type**: `veth` --- ## Summary | IP Address | Interface | MAC Address | |------------|-----------|-------------| | 192.168.11.166 | eth0 (net0) | `BC:24:11:18:1C:5D` | | 192.168.11.167 | eth1 (net1) | `BC:24:11:A8:C1:5D` | --- ## Use Cases These MAC addresses can be used for: - UDM Pro firewall rules (MAC-based filtering) - Network device identification - DHCP reservations - Network monitoring - Troubleshooting network connectivity --- **Note**: These are veth (virtual ethernet) interfaces within the LXC container.