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docs: plugin comment nitfixes

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Type: improvement

Change-Id: Ib7e2f5f314144064de7b6be0fade3db2f9c943fe
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
This commit is contained in:
Nathan Skrzypczak
2021-09-29 15:37:34 +02:00
committed by Beno�t Ganne
parent ddb192951c
commit d0ea764a5d
11 changed files with 52 additions and 52 deletions
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14
src/plugins/cnat/cnat.rst
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@@ -9,7 +9,7 @@ Overview
________
This plugin covers specific NAT use-cases that come mostly
from the container networking world. On the contraty of the
from the container networking world. On the contrary of the
NAT concepts used for e.g. a home gateway, there is no notion
of 'outside' and 'inside'. We handle Virtual (or Real) IPs and
translations of the packets destined to them
@@ -33,9 +33,9 @@ that will store the packet rewrite to do and the one to undo
until the flow is reset or a timeout is reached
A ``session`` is a fully resolved 9-tuple of ``src_ip, src_port, dest_ip, dest_port, proto``
to match incoming packets, and their new attributes ``new_src_ip, new_src_port, new_dest_ip, new_dest_port``. It allows for ``backend`` stickyness and a fast-path for established connections.
to match incoming packets, and their new attributes ``new_src_ip, new_src_port, new_dest_ip, new_dest_port``. It allows for ``backend`` stickiness and a fast-path for established connections.
These ``sessions`` expire after 30s for regular ``sessions`` and 1h for estabished
These ``sessions`` expire after 30s for regular ``sessions`` and 1h for established
TCP connections. These can be changed in vpp's configuration file
.. code-block:: console
@@ -64,7 +64,7 @@ assigned to an interface
If ``30.0.0.2`` is the address of an interface, we can use the following
to do the same translation, and additionnaly change the source.
to do the same translation, and additionally change the source.
address with ``1.2.3.4``
.. code-block:: console
@@ -82,10 +82,10 @@ To show existing translations and sessions you can use
SourceNATing outgoing traffic
-----------------------------
A independant part of the plugin allows changing the source address
A independent part of the plugin allows changing the source address
of outgoing traffic on a per-interface basis.
In the following example, all traffic comming from ``tap0`` and NOT
In the following example, all traffic coming from ``tap0`` and NOT
going to ``20.0.0.0/24`` will be source NAT-ed with ``30.0.0.1``.
On the way back the translation will be undone.
@@ -133,7 +133,7 @@ and call a NAT node back that will perform the translation.
Known limitations
_________________
This plugin is still under developpment, it lacks the following features :
This plugin is still under development, it lacks the following features :
* Load balancing doesn't support parametric probabilities
* VRFs aren't supported. All rules apply to fib table 0 only
* Programmatic session handling (deletion, lifetime updates) aren't supported