Huawei Quidway S3000-EI Series, Руководство по эксплуатации

Страница: 42 / 392

Operation Manual - Getting Started
Quidway S3000-EI Series Ethernet Switches
Chapter 5 System IP Configuration
Huawei Technologies Proprietary
5-2
When using IP addresses, it should also be noted that some of them are reserved for
special uses, and are seldom used. The IP addresses you can use are listed in the
following table.
Table 5-1
IP address classes and ranges
Network
class
Address
range
IP network
range
Note
A
0.0.0.0 to
127.255.2
55.255
1.0.0.0 to
126.0.0.0
Host ID with all the digits being 0
indicates that the IP address is the
network address, and is used for
network routing.
Host ID with all the digits being 1
indicates the broadcast address, i.e.
broadcast to all hosts on the network.
IP address 0.0.0.0 is used for the host
that is not put into use after starting up.
The IP address with network number as
0 indicates the current network and its
network can be cited by the router
without knowing its network number.
Network ID with the format of 127.X.Y.Z
is reserved for self-loop test and the
packets sent to this address will not be
output to the line. The packets are
processed internally and regarded as
input packets.
B
128.0.0.0
to
191.255.2
55.255
128.0.0.0 to
191.254.0.0
Host ID with all the digits being 0
indicates that the IP address is the
network address, and is used for
network routing.
Host ID with all the digits being 1
indicates the broadcast address, i.e.
broadcast to all hosts on the network.
C
192.0.0.0
to
223.255.2
55.255
192.0.0.0 to
223.255.254.0
Host ID with all the digits being 0
indicates that the IP address is the
network address, and is used for
network routing.
Host ID with all the digits being 1
indicates the broadcast address, i.e.
broadcast to all hosts on the network.
D
224.0.0.0
to
239.255.2
55.255
None
Addresses of class D are multicast
addresses.
E
240.0.0.0
to
255.255.2
55.254
None
The addresses are reserved for future
use.