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3com DUA1750-2BAA01 Manual De Usuario

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3Com Switch 8800 Configuration Guide 
Chapter 11  IP Address Configuration
 
11-4 
138.38.160.0, 138.38.192.0 and 138.38.224.0 (Refer to the following figure). Each 
subnet can contain more than 8000 hosts. 
10001010, 00100110,   000   00000, 00000000
ClassB
138.38.0.0
Subnet mask
255.255.224.0
11111111, 11111111,   111   00000, 00000000
11111111, 11111111,   000   00000, 00000000
Standard 
mask
255.255.0.0
Subnet address:
000
Subnet address: 138.38.    0.    0
001 
Subnet address: 138.38.  32.    0
010 
Subnet address: 138.38.  64.    0
011 
Subnet address: 138.38.  96.    0
100 
Subnet address: 138.38.128.    0
101 
Subnet address: 138.38.160.    0
110 
Subnet address: 138.38.192.    0
111
Subnet address: 138.38.224.    0
Subnet 
number
Host 
number
Subnet address:
10001010, 00100110,   000   00000, 00000000
ClassB
138.38.0.0
Subnet mask
255.255.224.0
11111111, 11111111,   111   00000, 00000000
11111111, 11111111,   000   00000, 00000000
Standard 
mask
255.255.0.0
Subnet address:
000
Subnet address: 138.38.    0.    0
001 
Subnet address: 138.38.  32.    0
010 
Subnet address: 138.38.  64.    0
011 
Subnet address: 138.38.  96.    0
100 
Subnet address: 138.38.128.    0
101 
Subnet address: 138.38.160.    0
110 
Subnet address: 138.38.192.    0
111
Subnet address: 138.38.224.    0
Subnet 
number
Host 
number
Subnet address:
 
Figure 11-2 Subnet division of an IP address 
11.2  Configuring IP Address 
The following sections describe IP address configuration tasks: 
z 
z 
11.2.1  Configuring the Hostname and Host IP Address 
Using this command, you can associate a host name with an IP address. After that, 
when using an application like telnet, you can use the host name instead of the IP 
address that is hard to memorize, and the system automatically translates the host 
name to the IP address. 
Perform the following configuration in system view. 
Table 11-2 Configure the host name and the corresponding IP address 
Operation 
Command 
Configure the host name and the 
corresponding IP address 
ip host hostname ip-address 
Cancel the host name and the 
corresponding IP address 
undo ip host hostname [ ip-address ]  
 
By default, there is no host name associated to any host IP address.