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| -rw-r--r-- | docs/configuration/interfaces/tunnel.rst | 16 |
1 files changed, 16 insertions, 0 deletions
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 ^^^^^^^^^^^^^^^ |