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authorDaniil Baturin <daniil@vyos.io>2020-04-03 07:24:26 +0700
committerGitHub <noreply@github.com>2020-04-03 07:24:26 +0700
commitaa49da2045544c37a3e1593617d28c11cd37cf56 (patch)
tree5ace4d68f0e62a465f7c77871ff09ded7ae1f233 /docs/vpn/l2tp.rst
parentb6b5615583b08c5f9d356ed75678c06e62574565 (diff)
parentd83cd0f40cdfb496019823a8ead4d835abf997dd (diff)
downloadvyos-documentation-aa49da2045544c37a3e1593617d28c11cd37cf56.tar.gz
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Merge pull request #233 from currite/L2TPoIPsec
l2tp: adding small details
Diffstat (limited to 'docs/vpn/l2tp.rst')
-rw-r--r--docs/vpn/l2tp.rst9
1 files changed, 6 insertions, 3 deletions
diff --git a/docs/vpn/l2tp.rst b/docs/vpn/l2tp.rst
index 71ab1c46..0d8dde08 100644
--- a/docs/vpn/l2tp.rst
+++ b/docs/vpn/l2tp.rst
@@ -35,7 +35,8 @@ to allow the ports below:
* IP protocol number 50 (ESP)
* UDP port 1701 for IPsec
-As well as the below to allow NAT-traversal:
+As well as the below to allow NAT-traversal (when NAT is detected by the
+VPN client, ESP is encapsulated in UDP for NAT-traversal):
* UDP port 4500 (NAT-T)
@@ -74,8 +75,9 @@ parameter to the client.
set vpn l2tp remote-access dns-servers server-1 '8.8.8.8'
set vpn l2tp remote-access dns-servers server-2 '8.8.4.4'
-.. note:: Those are the `Google public DNS`_ servers. You can also use the
- public available servers from Quad9_ (9.9.9.9) or Cloudflare_ (1.1.1.1).
+.. note:: Those are the `Google public DNS`_ servers, but you can choose
+ any public available servers, like Quad9_ (9.9.9.9), Cloudflare_ (1.1.1.1)
+ or OpenNIC_.
Established sessions can be viewed using the **show vpn remote-access**
operational command, or **show l2tp-server sessions**
@@ -226,6 +228,7 @@ renamed.
.. _`Google Public DNS`: https://developers.google.com/speed/public-dns
.. _Quad9: https://quad9.net
.. _CloudFlare: https://blog.cloudflare.com/announcing-1111
+.. _OpenNIC: https://www.opennic.org/
.. _RADIUS: https://en.wikipedia.org/wiki/RADIUS
.. _FreeRADIUS: https://freeradius.org
.. _`Network Policy Server`: https://en.wikipedia.org/wiki/Network_Policy_Server