VPN tunnel between SCALANCE M87x and SINEMA RC Server
5.2 Configuring access to the SINEMA RC Server
SCALANCE M-800 Getting Started
186 Getting Started, 06/2015, C79000-G8976-C337-04
Configuring access to the SINEMA RC Server
5.2.1
Activating IP masquerading
IP masquerading is used so that the internal IP addresses are not forwarded to external. In
addition to this, no further routing settings are necessary on the router.
1. Click on "Layer 3" > "NAT" in the navigation area and on the "Masquerading" tab in the
content area.
2. Activate "Enable Masquerading" on the WAN interface.
– M874, M876-3: ppp0
– M876-4: usb0
3. Click "Set Values"
Masquerading is enabled on the WAN interface. When a packet is sent via this interface, the
source address is rewritten to the IP address assigned to the WAN interface.
So that the PC can access the SINEMA RC Server, on the device access from vlan1 to the
WAN interface is enabled.
1. Click on "Security" > "Firewall" in the navigation area and on the "IP Rules" tab in the
content area.
2. Click "Create". A new entry is created in the table.
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