Merge pull request #1 from vyos/master

Update fork

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diff --git a/docs/configexamples/dhcp-relay-through-gre-bridge.rst b/docs/configexamples/dhcp-relay-through-gre-bridge.rst
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+.. _examples-dhcp-relay-through-gre-bridge:
+
+
+DHCP Relay through GRE-Bridge
+-----------------------------
+
+Diagram
+^^^^^^^
+
+.. image:: /_static/images/dhcp-relay-through-gre-bridge.png
+   :width: 80%
+   :align: center
+   :alt: Network Topology Diagram
+
+Configuration
+^^^^^^^^^^^^^
+
+DHCP Server
+"""""""""""
+
+.. code-block:: none
+
+   set interfaces ethernet eth0 address '10.0.2.1/24'
+   set interfaces loopback lo address '192.168.3.3/24'
+   set interfaces tunnel tun100 address '172.16.0.2/30'
+   set interfaces tunnel tun100 encapsulation 'gre-bridge'
+   set interfaces tunnel tun100 local-ip '10.0.2.1'
+   set interfaces tunnel tun100 remote-ip '192.168.0.1'
+   set protocols ospf area 0 network '192.168.3.0/24'
+   set protocols ospf area 0 network '10.0.2.0/24'
+   set protocols ospf parameters router-id '192.168.3.3'
+   set protocols static route 10.0.1.2/32 interface tun100
+   set service dhcp-server shared-network-name asdf authoritative
+   set service dhcp-server shared-network-name asdf subnet 192.168.3.0/24 range 0 start '192.168.3.30'
+   set service dhcp-server shared-network-name asdf subnet 192.168.3.0/24 range 0 stop '192.168.3.40'
+   set service dhcp-server shared-network-name asdf subnet 10.0.1.0/24 default-router '10.0.1.2'
+   set service dhcp-server shared-network-name asdf subnet 10.0.1.0/24 range 0 start '10.0.1.200'
+   set service dhcp-server shared-network-name asdf subnet 10.0.1.0/24 range 0 stop '10.0.1.210'
+   set service dhcp-server shared-network-name asdf subnet 10.2.1.0/24 range 0 start '10.2.1.222'
+   set service dhcp-server shared-network-name asdf subnet 10.2.1.0/24 range 0 stop '10.2.1.233'
+   set service dhcp-server shared-network-name asdf subnet 172.16.0.0/30 range 0 start '172.16.0.1'
+   set service dhcp-server shared-network-name asdf subnet 172.16.0.0/30 range 0 stop '172.16.0.2'
+   
+
+In-Between Router
+"""""""""""""""""
+
+.. code-block:: none
+
+   set interfaces ethernet eth0 address '192.168.0.2/24'
+   set interfaces ethernet eth1 address '10.0.2.2/24'
+   set protocols ospf area 0 network '192.168.0.0/24'
+   set protocols ospf area 0 network '10.0.2.0/24'
+   set protocols ospf parameters router-id '192.168.0.2'
+   
+
+DHCP Relay
+""""""""""
+
+.. code-block:: none
+
+   set interfaces ethernet eth0 address '10.0.1.2/24'
+   set interfaces ethernet eth1 address '192.168.0.1/24'
+   set interfaces loopback lo address '10.100.100.1'
+   set interfaces tunnel tun100 address '172.16.0.1/30'
+   set interfaces tunnel tun100 encapsulation 'gre-bridge'
+   set interfaces tunnel tun100 local-ip '192.168.0.1'
+   set interfaces tunnel tun100 remote-ip '10.0.2.1'
+   set protocols ospf area 0 network '10.0.1.0/24'
+   set protocols ospf area 0 network '192.168.0.0/24'
+   set protocols ospf area 0 network '10.100.100.0/24'
+   set protocols ospf parameters router-id '10.100.100.1'
+   set protocols static route 192.168.3.3/32 interface tun100
+   set service dhcp-relay interface 'eth0'
+   set service dhcp-relay interface 'tun100'
+   set service dhcp-relay server '192.168.3.3'
+