IP Addresses, Network Portion, Subnet Portion | Lantronix 10

UDP

8.4 IP Addresses

Each TCP/IP node on a network host has a unique IP address. This address provides the information needed to forward packets on the local network and across multiple networks if necessary.

IP addresses are specified as x.x.x.x, where each x is a number from 1 to 254; for example,

192.0.1.99.The Device Server must be assigned a unique IP address to use TCP/IP network functionality.

IP addresses contain three pieces of information: the network, the subnet, and the host.

8.4.1 Network Portion

The network portion of the IP address is determined by the network type: Class A, B, or C.

Table 31 - Network Portion of IP Address

Network Class	Network Portion of Address
Class A	First byte (2nd, 3rd, and 4th bytes are the host)
Class B	First 2 bytes (3rd and 4th bytes are the host)
Class C	First 3 bytes (4th byte is the host)

In most network examples, the host portion of the address is set to zero.

Table 32 - Available IP Addresses

Class	Reserved	Available
A	0.0.0.0	1.0.0.0 to 126.0.0.0
	127.0.0.0
B	128.0.0.0	128.1.0.0 to 191.254.0.0
	191.255.0.0
C	192.0.0.0	192.0.1.0 to 223.255.254.0
	223.255.255.0
D, E	224.0.0.0 to 255.255.255.254	None (Check this)
	255.255.255.255

Consider the IP address 36.1.3.4. This address is a Class A address; therefore, the network portion of the address is 36.0.0.0 and the host portion is 1.3.4.

8.4.2 Subnet Portion

The subnet portion of the IP address represents which sub-networkthe address is from. Sub- networks are formed when an IP network is broken down into smaller networks using a subnet mask.

8-14	UDS-10 User Guide

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Lantronix 10 manual IP Addresses, Subnet Portion, Network Class Network Portion of Address, Class Reserved Available

Contents

UDS-10 User Guide Copyright and Trademark Disclaimer and Revisions Date Rev Author Comments Declaration of Conformity Warranty Sales Offices Table of Contents Server Configuration Network Configuration DeviceComm Manager 10.1 List of Figures UDS-10-IAP List of Tables Disconnect Mode Options Page Introduction UDS-10 UDS-10B UDS-10-IAP Device Server UDS-10-IAP Industrial Automation Protocols Network Protocols Packing AlgorithmIP Address Port Number Serial Interface RJ-45 Ethernet Interface Signal Name Ethernet CableDIR PIN Primary Function Serial Interface Connection LED LEDsMeaning Product Information Label DimensionsSoftware Support Power Requirements Reset Switch Technical Specifications Technical SpecsPage Getting Started Addresses and Port NumberEthernet MAC Address Internet Protocol IP Address Physically Connecting the Unit UDS-10 Connected to Serial Device and Network Methods of Assigning the IP Address Method Description Dhcp AutoIP DeviceInstaller Install DeviceInstaller Software DeviceInstaller Window Assign IP Address and Network Class Test the IP Address Ping Device Window Add the Unit to the Manage List Search Network Window Devices in a Group Opening a Configuration Window Device Management Window ARP and Telnet Serial Port Login Configuring the Unit Configuring via Web Browser Using DeviceInstaller Configure Web Manager Web Manager 3.0 has the following buttons Unit Configuration Telnet Password Server Properties Port Properties Configure Update Settings Technical Support Configuring via the Setup Mode Window Using a Telnet Connection Setup Mode Window Using the Serial Port Server Configuration Network ConfigurationSet Gateway IP Address Network Class Host Bits Netmask Netmask Number of Bits for Host PartNetmask Host Bits Change Telnet configuration password Dhcp Naming Channel 1 Configuration Serial Port Parameters 2 I/F Interface ModeMode Option Baudrate Common I/F Mode Setting Binary Hex Flow Control Option Hex FlowPort Numbers Reserved for Connect Mode Connect Mode Option Manual Connection Address Example Modem Mode Function Command ATD Disconnect Mode Option Remote IP AddressRemote Port DisConnMode Flush Mode Buffer Flushing Input Buffer Serial to Network Pack Control Pack Control Options DisConnTime Inactivity Timeout Channel Port PasswordSend Characters Telnet Terminal Type Expert Settings Security SettingsDisable Snmp TCP Keepalive time in s Factory Defaults Exit Configuration Mode Get Configuration Set Configuration Updating Protocol Firmware Protocol Firmware Via DeviceInstaller Search Network Window Upgrade Firmware Via Tftp Via Another Unit Tftp Dialog Box Via the Serial Port DeviceComm Manager Installing DeviceComm Manager Install DeviceComm Manager Setup Status Meaning Firmware Troubleshooting Technical Support Troubleshooting Problems and Error Messages Firmware field UDS/CoBox Page Monitor Mode Monitor ModeEntering Monitor Mode Via the Serial Port Entering Monitor Mode Via the Network Port Command Command Name Function Response Meaning Byte Command Parameters Network Configuration using UDPUDP Datagrams Byte Command Parameters Configuring Multiple Devices Acquiring a Valid Setup Record Sending a Setup Record Intel Hex Format Option Hex Calculating the Checksum Calculating the Two’s Complement Setup Records Bytes Function Channel Parameters Channel Parameters Interface Mode Option Binary Hex Flow Control Baud RateSpeed Hex Bps Connect Mode Disconnect Mode Function 5 4 3 2 1 Option IP Addresses Network PortionSubnet Portion Network Class Network Portion of Address Host Portion Network AddressBroadcast Address Network Class Network Bits Host Bits Netmask Private IP Networks and the Internet Network RFCs Binary to Hex Conversion Decimal Binary Hex Connect Mode Options UDP Hostlist Unconditionally Character No active startup Connect Mode Options for Modem Emulation Disconnect Mode Options Binary to Hex Flush Mode Buffer Flushing Options Active connection Enable Passive connection Disconnect Disconnect Active connection Passive connection Enable Active connection Disconnect Enable Passive connection Active connection Passive connection Disconnect Enable Passive connection Active connection Disconnect Enable Interface Mode Options Pack Control Options Byte Sequence 250ms Yes 5sec 12ms 52ms Page IP Addresses Class a NetworkClass B Network Class C Network Broadcast Address Network AddressIP Netmask Private IP Networks and the Internet Network RFCsPage Glossary of Terms AUI Bootp BNC Chap CSMA/CD Dhcp Fddi FTP Http IPX IsdnLAN LAT MAU MIBMII MMJ MOP NIC NOS PPP PAPProm Rmon ROM Rtel SlipSNA Snmp SPX SQETCP/IP 10BASE-T Tftp UTP