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advanced-mac [2022/01/12 09:03] – m_ars | advanced-mac [2023/04/30 16:26] – [MAC Address] -Added subhead-How MAC Addresses are Derived hogwild | ||
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====== MAC Address ====== | ====== MAC Address ====== | ||
- | The MAC Address menu has settings to let you electronically change (or " | + | The MAC Address menu has settings to let you electronically change (or " |
- | A MAC address is called a Universally Administered Address (UAA) when it's set by the manufacturer or a locally-administered addresses (LAA) when it is assigned by a System Administrator. The first three octets (group of eight bits) are the Organizationally Unique Identifier (OUI). The OUI is a 24-bit number that identifies the manufacturer, | + | A MAC address is called a Universally Administered Address (UAA) when it's set by the manufacturer or a locally-administered addresses (LAA) when it is assigned by a System Administrator. |
- | \\ | + | |
- | {{mac_address_format.png}} | + | The first three octets (group of eight bits) are the Organizationally Unique Identifier (OUI). The OUI is a 24-bit number that identifies the manufacturer, |
- | + | ||
- | \\ | + | |
For common device names in FreshTomato, | For common device names in FreshTomato, | ||
- | \\ | + | ===== How Default WAN MAC Addresses are Derived ===== |
- | **Note about Default WAN MAC Address:** Starting with 2021.8, | + | Since release |
- | FreshTomato sets wanX MAC Addresses as follows: | + | FreshTomato |
- | * WAN => eth0 MAC +16 | + | * WAN => eth0 MAC + (decimal) |
- | * WAN2 => eth0 MAC +17 (decimal | + | * WAN2 => eth0 MAC + (decimal) |
- | * WAN3 => eth0 MAC +18 (decimal | + | * WAN3 => eth0 MAC + (decimal) |
- | * WAN4 => eth0 MAC +19 (decimal | + | * WAN4 => eth0 MAC + (decimal) |
- | For example, on a router with LAN hardware MAC Address of 2C: | + | For example, on a router with LAN hardware MAC Address of 2C: |
\\ This is further illustrated in the following screenshots. | \\ This is further illustrated in the following screenshots. | ||
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{{:: | {{:: | ||
- | Note for **FreshTomato 2021.7 and older: **picture | + | \\ |
+ | |||
+ | For **FreshTomato 2021.7 and older: **the above image shows the default MAC Address calculated and set in the GUI. FreshTomato | ||
**WAN Port:** In this field, you can enter any valid MAC Address to be assigned to the WAN interface. | **WAN Port:** In this field, you can enter any valid MAC Address to be assigned to the WAN interface. | ||
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* Random: Choosing this option assigns a random MAC Address to the device | * Random: Choosing this option assigns a random MAC Address to the device | ||
* Clone PC: This assigns the same MAC Address used by the interface of the client \\ currently connecting to FreshTomato' | * Clone PC: This assigns the same MAC Address used by the interface of the client \\ currently connecting to FreshTomato' | ||
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+ | \\ | ||
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+ | ===== MAC Address Notes ===== | ||
+ | |||
+ | Until at least release 2021.8, FreshTomato has a problem caused by changing the wireless MAC Address. | ||
+ | |||
+ | Changing the first 3 octets of the MAC Address can cause some issues such as wireless interfaces to drop. For details, please see: \\ [[https:// | ||