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authorChristian Breunig <christian@breunig.cc>2023-10-08 09:08:35 +0200
committerChristian Breunig <christian@breunig.cc>2023-10-08 18:34:28 +0200
commitf91f590403587e69698b9e6e9e38076405107144 (patch)
tree29ddd3ba337a971796c22a688a50b31908adc901 /docs/configuration/interfaces/pppoe.rst
parentcd18fefa4a0753dc202c88fb4f617bd95d647026 (diff)
downloadvyos-documentation-f91f590403587e69698b9e6e9e38076405107144.tar.gz
vyos-documentation-f91f590403587e69698b9e6e9e38076405107144.zip
T5630: pppoe: allow to specify MRU in addition to already configurable MTU
(cherry picked from commit 7090b69845a8d304d1608e18efef383082114f33)
Diffstat (limited to 'docs/configuration/interfaces/pppoe.rst')
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1 files changed, 13 insertions, 0 deletions
diff --git a/docs/configuration/interfaces/pppoe.rst b/docs/configuration/interfaces/pppoe.rst
index ca7d49ef..fafab684 100644
--- a/docs/configuration/interfaces/pppoe.rst
+++ b/docs/configuration/interfaces/pppoe.rst
@@ -134,6 +134,19 @@ PPPoE options
will be removed when the interface is torn down - even manually installed
static interface-routes.
+.. cfgcmd:: set interfaces pppoe <interface> mru <mru>
+
+ Set the :abbr:`MRU (Maximum Receive Unit)` to `mru`. PPPd will ask the peer to
+ send packets of no more than `mru` bytes. The value of `mru` must be between 128
+ and 16384.
+
+ A value of 296 works well on very slow links (40 bytes for TCP/IP header + 256
+ bytes of data).
+
+ The default is 1492.
+
+ .. note:: When using the IPv6 protocol, MRU must be at least 1280 bytes.
+
.. cfgcmd:: set interfaces pppoe <interface> idle-timeout <time>
Use this command to set the idle timeout interval to be used with on-demand