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opensense-docs/source/manual/how-tos/dynamicrouting_howto.rst

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=======================
Dynamic Routing: How To
=======================
.. Note::
To keep this tutorial short, a configuration is only added a single time.
For example, the configuration of Site A and Site B are identical beside one
octet in the IP addresses.
Also both routers have the same configuration except the Network address of the
uplink and the client network.
---------
Situation
---------
.. image:: images/dynamic_routes_howto.png
We have two sites (Site A and Site B) which are connected via a layer 2 VPN.
Each site has two additional routers,
which are connected to the edge router and with each oder.
On those routers, the clients are attached.
-------------
Configuration
-------------
In this setup, OSPF is used.
All routers belong to the area 0.0.0.0 and no prefix lists are used.
Core Router of Site A
---------------------
General Settings:
========================= ============
Setting Value
========================= ============
Enable Checked
Advertise Default Gateway Checked
Passive Interfaces Empty
Route Redistribution Empty
========================= ============
Networks:
============ ============
Network Network Mask
============ ============
192.168.0.0 30
192.168.1.0 30
192.168.1.4 30
============ ============
Left Floor Router of Site A
---------------------------
General Settings:
========================= ===========================
Setting Value
========================= ===========================
Enable Checked
Advertise Default Gateway Unchecked
Passive Interfaces Interface name of 10.1.1.0
Route Redistribution Empty
========================= ===========================
Networks:
============ ============
Network Network Mask
============ ============
10.1.1.0 24
192.168.1.4 30
192.168.1.8 30
============ ============