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How do I use multiple ethernet interfaces on the same network segment?

April 26, 2017Ethernet interfaces Network segment

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How do I use multiple ethernet interfaces on the same network segment?

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• Method 1 (modern cards, 1997+) Modern Sun Adapters have unique mac addresses encoded in the FCode Prom. /usr/sbin/eeprom local-mac-address?=true Method 2 (older cards) From InfoDoc 16733; Section 3.2.3(4) of the IEEE 802.3 spec defines a reserved bit in the Ethernet Address that can be used to administer a universally assigned ethernet addresses. A Locally administered address (LAA) can be implemented to ensure a unique HW address. Setting the LAA bit can be done by using a 0A hex as the first digit instead of 08.