Lantronix 900-332 manual Addresses and Port Numbers, Hardware Address, IP Address

Introduction

Addresses and Port Numbers

Hardware Address

The hardware address is also referred to as the Ethernet address or the MAC address. The first three bytes of the Ethernet address are fixed and read 00-20-4A, identifying the unit as a Lantronix product. The fourth, fifth, and sixth bytes are unique numbers assigned to each unit.

Example: 00-20-4A-14-01-18

Note: Make note of the MAC address. It is needed to locate the WiPort using DeviceInstaller.

IP Address

Every device connected to an IP network must have a unique IP address. This address is used to reference the specific unit. The WiPort is automatically assigned an IP address on DHCP-enabled networks as it is DHCP-enabled by default.

Port Numbers

Every TCP connection and every UDP datagram is defined by a destination IP address and a port number. For example, a Telnet application commonly uses port number 23. A port number is similar to an extension on a phone system.

The unit's serial channel (port) can be associated with a specific TCP/UDP port number. Port number 9999 is reserved for access to the unit's Setup (configuration) Mode window. Ports 0-1024 are reserved as well. For more information on reserved port numbers, refer to Table 5-5. Reserved Port Numbers.

WiPort™ User Guide 2-3