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2: Description and Specifications
XPort AR User Guide 13
Web Manager: Through a web browser, configure the XPort AR’s settings using the
Lantronix Web Manager. (See 4:Configuration Using Web Manager.)
Command Mode: There are two methods to accessing Command Mode: making a
Telnet connection or connecting a terminal (or a PC running a terminal emulation
program) to the unit’s serial port. (See 5:Configuration Using Telnet or Serial Port.)
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 2-1. Sample Hardware Address
00-20-4A-14-01-18 or 00:20:4A:14:01:18
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 following is a list of the default server port numbers running on the XPort AR:
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 30718: 0x77FE Query port
TCP/UDP Port 1001: Tunnel 1
TCP/UDP Port 1002: Tunnel 2