Siemens CFVA-IP User Manual

 

If it is necessary to be able to access your device via Internet, you must ensure 
that your IP address is internet-enabled. An Internet Service Provider (ISP) can 
supply you with an internet-enabled IP address. The ISP will offer you static or 
dynamic IP addresses. 

Connecting to internet 
 

 

Fig. 8 

Connecting to internet 

 
 

 

Static IP address 
The ISP will supply you with an IP address once only. This address does not 
change. 

 

Dynamic IP address 
Shared IP addresses are normally used when accessing internet through an 
ISP. Your router will be allocated dynamic IP addresses for internet access by 
your ISP, i.e. when dialing in via an ISP, the client (the computer attempting to 
make the connection) will automatically be assigned a temporary, free IP 
address when logging on. This means that the client acts as an internet server 
for the time it is on-line. 
The term 'dynamic' means that the connection to the ISP will be broken off 
briefly at regular intervals, every 24 hours for example. When the connection is 
re-established, your IP address may have changed. When the connection is 
terminated, this IP address becomes available for use by another device and is 
allocated to another connection that is established via the ISP. When the 

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