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-rw-r--r--docs/configexamples/dhcp-relay-through-gre-bridge.rst13
-rw-r--r--docs/configuration/interfaces/tunnel.rst15
2 files changed, 24 insertions, 4 deletions
diff --git a/docs/configexamples/dhcp-relay-through-gre-bridge.rst b/docs/configexamples/dhcp-relay-through-gre-bridge.rst
index 0ebaa967..10184970 100644
--- a/docs/configexamples/dhcp-relay-through-gre-bridge.rst
+++ b/docs/configexamples/dhcp-relay-through-gre-bridge.rst
@@ -1,3 +1,8 @@
+
+
+
+
+
.. _examples-dhcp-relay-through-gre-bridge:
@@ -24,8 +29,8 @@ DHCP Server
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 'gretap'
- set interfaces tunnel tun100 local-ip '10.0.2.1'
- set interfaces tunnel tun100 remote-ip '192.168.0.1'
+ set interfaces tunnel tun100 source-address '10.0.2.1'
+ set interfaces tunnel tun100 remote '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'
@@ -62,8 +67,8 @@ DHCP Relay
set interfaces loopback lo address '10.100.100.1'
set interfaces tunnel tun100 address '172.16.0.1/30'
set interfaces tunnel tun100 encapsulation 'gretap'
- set interfaces tunnel tun100 local-ip '192.168.0.1'
- set interfaces tunnel tun100 remote-ip '10.0.2.1'
+ set interfaces tunnel tun100 source-address '192.168.0.1'
+ set interfaces tunnel tun100 remote '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'
diff --git a/docs/configuration/interfaces/tunnel.rst b/docs/configuration/interfaces/tunnel.rst
index 36b1d70b..7f7cd709 100644
--- a/docs/configuration/interfaces/tunnel.rst
+++ b/docs/configuration/interfaces/tunnel.rst
@@ -201,6 +201,21 @@ An example:
set interfaces tunnel tun0 address 172.16.17.18/24
set interfaces tunnel tun0 parameters ip key 20
+GRETAP
+^^^^^^^
+
+While normal GRE is for layer 3, GRETAP is for layer 2. GRETAP can encapsulate
+Ethernet frames, thus it can be bridged with other interfaces to create
+datalink layer segments that span multiple remote sites.
+
+.. code-block:: none
+
+ set interfaces bridge br0 member interface eth0
+ set interfaces bridge br0 member interface tun0
+ set interfaces tunnel tun0 encapsulation gretap
+ set interfaces tunnel tun0 source-address 198.51.100.2
+ set interfaces tunnel tun0 remote 203.0.113.10
+
Troubleshooting
^^^^^^^^^^^^^^^