H3C Technologies H3C S3100 Series Switches - Manual (Page 105)

Operation Manual – IP Address and Performance Confiugration
H3C S3100-52P Ethernet Switch Chapter 1 IP Address Configuration
1-2
Table 1-1
Classes and ranges of IP addresses
Network
type
Address
range
IP network
range
available for
users
Description
A
0.0.0.0 to
127.255.25
5.255
1.0.0.0 to
126.0.0.0
z
An IP address with all 0s host ID is a
network address and is used for
network routing.
z
An IP address with all 1s host ID is a
broadcast address and is used for
broadcast to all hosts on the network.
z
The IP address 0.0.0.0 is used by
hosts when they are booted but is not
used afterward.
z
An IP address with all 0s network ID
represents a specific host on the
local network and can be used as a
source address but cannot be used
as a destination address.
z
All the IP addresses in the format of
127.X.Y.Z are reserved for loopback
test and the packets sent to these
addresses will not be output to lines;
instead, they are processed
internally and regarded as incoming
packets.
B
128.0.0.0 to
191.255.25
5.255
128.0.0.0 to
191.254.0.0
z
An IP address with all 0s host ID is a
network address and is used for
network routing.
z
An IP address with all 1s host ID is a
broadcast address and is used for
broadcast to all hosts on the network.
C
192.0.0.0 to
223.255.25
5.255
192.0.0.0 to
223.255.254.
0
z
An IP address with all 0s host ID is a
network address and is used for
network routing.
z
An IP address with all 1s host ID is a
broadcast address and is used for
broadcast to all hosts on the network.
D
224.0.0.0 to
239.255.25
5.255
None
Class D addresses are multicast
addresses.
E
240.0.0.0 to
255.255.25
5.254
None
These IP addresses are reserved for
future use.
Others
255.255.25
5.255
255.255.255.
255
255.255.255.255 is used as a LAN
broadcast address.