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Internet connection
Notes
Local area network
(LAN)
72 / 108
Siemens
Building Technologies
5.1.2
Remote operation via the Internet
An appropriate connection is required (e.g. DSL router) for remote operation via
Internet. Setting up Internet access is not described here.
• The examples here were created using the Siemens Gigaset SX763 router (see
Section 6.3.5). Workflow, terms and functionality may differ when using other
products.
• The router must support NAT/PAT, DynDNS and DHCP as an option.
• The web server does not support HTTPS (Hyper Text Transfer Protocol
Secure). Web operating pages are transmitted unsecured and unencrypted.
IP address, subnet mask and DHCP are set up under Local Network in addition to
other settings:
• The IP address router is fixed.
• The subnet mask defines the size of the subnet.
• The router assigns the DHCP clients (e.g. the PC on the local area network) an
IP address from a selecting setting range ("First issued IP address" through
"Last issued IP address") if set as DHCP server.
• The "Default gateway" is typically the router's IP address as well.
• The "Lease time" defines how long a client maintains the IP address received
from the DHCP server (the DHCP server regularly renews the client IP
addresses).
In the example, the router has a set IP address of
subnet mask 255.255.255.0. It renews, as the DHCP server, IP addresses of the
DHCP clients every 30 minutes. DHCP clients are assigned addresses from a
range of
192.168.2.100
LAN and Internet.
Web server
Communication
through 192.168.2.199. The router is the gateway between
192.168.2.1
and s is receives
CE1C5711en
25.08.2010
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