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-rw-r--r--net/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/Kconfig b/net/Kconfig
index 96bbce1..ac6d0cf 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -44,5 +44,9 @@ config TFTP_BLOCKSIZE
default 1468
help
Default TFTP block size.
+ The MTU is typically 1500 for ethernet, so a TFTP block of
+ 1468 (MTU minus eth.hdrs) provides a good throughput with
+ almost-MTU block sizes.
+ You can also activate CONFIG_IP_DEFRAG to set a larger block.
endif # if NET