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2: Introduction
EDS User Guide 20
Addresses and Port Numbers
Hardware Address
The hardware address is also referred to as the Ethernet address or 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.
Figure 2-4. Sample Hardware Address
IP Address
Every device connected to an IP network must have a unique IP address. This
address references the specific unit.
Port Numbers
Every TCP connection and every UDP datagram is defined by a destination and
source IP address, and a destination and source port number. For example, a Telnet
server commonly uses port number 23.
The default server port numbers running on the EDS include
TCP Port 22: SSH Server (Command Mode configuration).
TCP Port 23: Telnet Server (Command Mode configuration).
TCP Port 80: HTTP (Web Manager configuration).
TCP Port 443: HTTPS (Web Manager configuration).
UDP Port 161: SNMP.
TCP Port 21: FTP.
UDP Port 69: TFTP.
UDP Port 514: Syslog.
TCP Port 515: LPD.
UDP Port 30718: LDP (Lantronix Discovery Protocol) port.
TCP/UDP Port 10001: Tunnel 1.
TCP/UDP Port 10002: Tunnel 2.
00-20-4A-14-01-18
or
00:20:4A:14:01:18
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