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• An FM1000 Gateway Gateway or FM10000 Gateway Gateway is
used at data-center level to ensure IP address reachability across
the entire network.
• L2TP tunnels must be enabled between each FM1000 Gateway at
cluster level, and between each cluster-level FM1000 Gateway and
the data-center FM1000 Gateway or FM10000 Gateway. The L2TP
tunnels are used to exchange signaling information without
physically modifying the pre-existing core network.
At a logical level, each network cluster becomes part of the private LAN
(which the local control room is usually part of). Therefore, the Fluidmesh
gateway units and all other edge devices must be provided with a private
LAN IP address, and will be accessed through that IP address.
In
Figure 3 (page
10.140.65.0 / 255.255.255.224, 10.140.66.0 / 255.255.255.224 and
10.140.67.0 / 255.255.255.224. Each Fluidmesh gateway device
possesses an IP address that belongs to the relative class. Note that each
IP address must be univocal within the entire network, in order to avoid
address conflicts.
NOTE
Every Fluidmesh hardware device has a factory-set IP address
of 192.168.0.10, and a Netmask of 255.255.255.0.
In terms of IP addressing, the onboard subnets can be completely
independent of the cluster subnets. In the figure above, the onboard
subnet is 10.140.254.0 / 255.255.255.224. The Fluidity protocol ensures
that the local IP addresses of the mobile subnets will not change while the
network is roaming from one cluster to another, and that inter-cluster
roaming is completely seamless.
Configuring the local gateway units
As a general rule, the core network routers and gateway units should be
configured to provide full IP reachability to each network segment. This
can be done by properly configuring the routing protocols that run on the
core network. This task is not covered in this manual, and will be the
responsibility of the person tasked with network management.
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18), the private LAN IP address classes are
Getting Started
Page 19 of 138
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