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Addressing
When the CPU IP is situated within the local network, you will need to give it an
appropriate local IP address and IP network mask. This is achieved most easily
using the DHCP server option which will apply these details automatically. If
a DHCP server is not available on the network, then these details need to be
applied manually in accordance with the network administrator.
The rewall/router must then be informed to route incoming requests to port
5900 or port 80 (if available) through to the local address being used by the CPU
IP.
To discover a DHCP-allocated IP address
Once a DHCP server has allocated an IP address, you will need to know it in
order to access the CPU IP via a network connection. To discover the allocated IP
address:
1 In either the local or remote Network conguration screens, set the ‘Use
DHCP’ option to ‘Yes’ and select ‘Save’. Once the page is saved, the CPU IP
will contact the DHCP server and obtain a new address.
2 Re-enter the same ‘Network conguration’ screen where the new IP address
and network mask should be displayed.
DNS addressing
As with any other network device, you can arrange for your CPU IP to be
accessible using a name, rather than an IP address. This can be achieved in two
main ways:
• For small networks that do not have a DNS (Domain Name System) server,
edit the ‘hosts’ les on the appropriate remote systems. Using the hosts le,
you can manually link the CPU IP’s address to the required name.
• For larger networks, declare the IP address and required name to the DNS
server of your local network.
The actual steps required to achieve either of these options are beyond the
scope of this document.
LOCREMVNC100 LNKPWR
IP
Access Switch Plus
Internet
CPU IP has a local address
and net mask, i.e.
IP address: 192.168.0.3
Net mask: 255.255.255.0
Remote user with VNC
viewer accesses IP
address: 129.7.1.10 and
automatically uses port
5900.
Firewall/router address:
129.7.1.10
The rewall routes the
request from the VNC viewer
on port 5900 through to
the CPU IP at local address
192.168.0.3