neels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-upf/+/35666?usp=email )

Change subject: manual: 'Running': tweak, mention 'tunmap' and 'tunend' ......................................................................

manual: 'Running': tweak, mention 'tunmap' and 'tunend'

Change-Id: I9760ca214933d0b05080a3e70807b0cd06380a27 --- M doc/manuals/chapters/running.adoc 1 file changed, 17 insertions(+), 4 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-upf refs/changes/66/35666/1

diff --git a/doc/manuals/chapters/running.adoc b/doc/manuals/chapters/running.adoc index 683c444..32db271 100644 --- a/doc/manuals/chapters/running.adoc +++ b/doc/manuals/chapters/running.adoc @@ -85,10 +85,10 @@

OsmoUPF uses two distinct Linux kernel features:

-* The GTP module is used for GTP encapsulation/decapsulation from/to +* The GTP module is used for `tunend`: GTP encapsulation/decapsulation from/to "the internet".

-* The netfilter module is used for GTP tunnel proxying, also known as +* The netfilter module is used for `tunmap`: GTP tunnel proxying, also known as tunnel forwarding or tunnel mapping.

.Linux kernel feature usage @@ -97,8 +97,12 @@ include::upf_gtp_roles.dot[] ----

-GTP kernel module configuration can be omitted for sites that serve only as GTP -forwarding proxy, without encapsulation/decapsulation of GTP payloads. +GTP kernel module configuration in the `tunend` section can be omitted for sites +that serve only as GTP forwarding proxy, without encapsulation/decapsulation of +GTP payloads. + +Likewise, netfilter configuration in the `tunmap` section can be omitted for +sites only serving as GTP tunnel endpoint.

[[gtp_module]] === Configure Linux Kernel GTP Module for `tunend`