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Diffstat (limited to 'doc/source/manual/config.rst')
| -rw-r--r-- | doc/source/manual/config.rst | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/doc/source/manual/config.rst b/doc/source/manual/config.rst index 5a09c6c..9f7d50c 100644 --- a/doc/source/manual/config.rst +++ b/doc/source/manual/config.rst @@ -230,17 +230,8 @@ Example config: | ``pmtu yes|no|auto;`` - Enables or disables Path MTU detection for IPv4. If enabled, all packets are sent with DF set, and all - fragmentation happens on the sending host itself. If disabled, routers may fragment the packets themselves, - possibly leading to multiple fragmentation. In general, disabling this should not be necessary, but in some - networks ICMP MTU Too Big packets are lost, so PMTU detection doesn't work correctly. - - If possible, fastd's mtu setting should be adjusted so the packets aren't fragmented at all instead of - relying on this option. - - The default is auto, which uses the system default as specified in /proc/sys/net/ipv4/ip_no_pmtu_disc. - - The pmtu option is available on Linux platforms only. + Does nothing; the ``pmtu`` option is only supported for compatiblity + with older versions of fastd. | ``protocol "<protocol>";`` |