Attention:
You can have concurrent WWAN links which share a common resource like one WWAN
module using SIM cards of different providers. In that case it would not be possible
to find out if the link with the higher priority is available without putting down the low
priority link. Therefore, such a link will behave like a switchover, even if configured as
permanent.
For mobile links, it is further possible to pass through the WAN address towards a local host (also called
Drop-In or IP Pass-through). In particular, the first DHCP client will receive the public IP address. More
or less, the system acts like a modem in such case which can be helpful in case of firewall issues. Once
established, the Web Manager can be reached over port 8080 using the WAN address but still over
the LAN1 interface using port 80.
Parameter WAN Link Operation Modes
disabled Link is disabled
permanent Link is being established permanently
on switchover Link is being established on switchover, it will be dialed if previous
links failed
distributed Link is member of a load distribution group
Parameter WAN Link Settings
Operation mode The operation mode of the link
Weight The weight ratio of a distributed link
Switch-back Specifies the switch-back condition of a switchover link and the time
after an active hotlink will be teared down
Bridge Mode If WLAN client, specifies the bridge mode which will be used.
Bridging interface If WLAN client, the LAN interface to which the WAN link should be
bridged.
The following bridge modes can be configured for a WLAN client:
Parameter Bridge modes
disabled Disables the bridge mode
pseudo bridge Enables a bridge like behavior by relaying DHCP and broadcast mes-
sages
NetModule AG routers provide a feature called IP pass-through (aka Drop-In mode). If enabled, the
WAN address will be be passed-through to the first DHCP client of the specified LAN interface. As
Ethernet-based communication requires additional addresses, we pick an appropriate subnet to talk
to the LAN host. In case this overlaps with other addresses of your WAN network, you may optionally
NB1601 45 User Manual for NRSW version 4.8.0.103
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