Signamax
™
065-7840C-WS 24-Port 10/100/1000BaseT/TX WebSmart Switch
Publication date: June, 2011
Revision 1.0
15
Fig. 2-7: The Login Screen for the Web browser User Interface (UI)
2-1-4. IP Address Assignment
For IP address configuration, there are three parameters needed to be
defined and entered. They are IP address, Subnet Mask, Default Gateway and DNS.
IP address:
The address of the network device in the network is used for internetworking
communication. Its address structure looks is shown in the Fig. 2-8. It is “classful”
because it is split into predefined address classes or categories.
Each class has its own network range between the network identifier and
host identifier in the 32 bits address. Each IP address is comprised of two parts:
network identifier (address) and host identifier (address). The former indicates the
network where the addressed host resides, and the latter indicates the individual
host in the network which the address of host refers to. And the host identifier must
be unique in the same LAN. Here the nomenclature of the IP address we used is
version 4, known as IPv4.
Network identifier
Host identifier
Fig. 2-8 IP address structure
With the classful addressing, it divides IP address into three classes, class A,
class B and class C. The rest of IP addresses are for multicast and broadcast. The
bit length of the network prefix is the same as that of the subnet mask and is
denoted as IP address/X, for example, 192.168.1.0/24. Each class has its address
range described below.
Class A:
Address is less than 126.255.255.255. There are a total of 126 networks can
be defined because the address 0.0.0.0 is reserved for default route and
127.0.0.0/8 is reserved for the loopback function.
0
32 bits
Bit # 0 1 7 8 31
Network address Host address
Summary of Contents for 065-7940C-WS
Page 10: ......
