# How Can I Obtain the MAC Address of My ECS?

This section describes how to obtain the MAC address of an ECS.

The MAC address of an ECS cannot be changed.

#### Linux (CentOS 6)

1. Log in to the Linux ECS.
2. Run the following command to view the MAC address of the ECS:

   ifconfig

   Figure 1 Obtaining the MAC address

#### Linux (CentOS 7)

1. Log in to the Linux ECS.
2. Run the following command to view the MAC address of the ECS:

   ifconfig

   Figure 2 Obtaining the NIC information
3. Run the following command to view the MAC address of NIC eth0:

   ifconfig eth0 |egrep "ether"

   Figure 3 Obtaining the MAC address of eth0
4. Obtain the returned MAC address.

   ifconfig eth0 |egrep "ether" |awk '{print $2}'

   Figure 4 Obtaining the MAC address of eth0

#### Windows

1. Press Win+R to start the Run text box.
2. Enter cmd and click OK.
3. Run the following command to view the MAC address of the ECS:

   ipconfig /all

Parent topic: Network Configurations