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authorDaniil Baturin <daniil@vyos.io>2021-04-12 00:57:21 +0700
committerGitHub <noreply@github.com>2021-04-12 00:57:21 +0700
commit16fb2a71f969c2dbcf944cd9eb73ff2aa5e6242d (patch)
tree84cfceb20c4bc6a20007285056d79de55b959243 /docs
parentd93bdc3da778f9d9895d2224056773310f4d3f6e (diff)
parentbab8bd3f5a23d44faf0b67e50526ff3841ceff9b (diff)
downloadvyos-documentation-16fb2a71f969c2dbcf944cd9eb73ff2aa5e6242d.tar.gz
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Merge pull request #505 from srividya0208/T3458-e
T3458-e::tunnel interface:added GRETAP section for 1.3 ver
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-rw-r--r--docs/configuration/interfaces/tunnel.rst16
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diff --git a/docs/configuration/interfaces/tunnel.rst b/docs/configuration/interfaces/tunnel.rst
index d2d63ce2..22648095 100644
--- a/docs/configuration/interfaces/tunnel.rst
+++ b/docs/configuration/interfaces/tunnel.rst
@@ -201,6 +201,22 @@ 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.
+
+Layer 2 GRE example:
+
+.. 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 local-ip 198.51.100.2
+ set interfaces tunnel tun0 remote-ip 203.0.113.10
Troubleshooting
^^^^^^^^^^^^^^^