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-rw-r--r--doc/README.enetaddr2
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/README.enetaddr b/doc/README.enetaddr
index 0fafd2cdcd..82c9cd5fe5 100644
--- a/doc/README.enetaddr
+++ b/doc/README.enetaddr
@@ -37,6 +37,8 @@ Correct flow of setting up the MAC address (summarized):
environment variable will be used unchanged.
If the environment variable is not set, it will be initialized from
eth_device->enetaddr, and a warning will be printed.
+ If both are invalid and CONFIG_NET_RANDOM_ETHADDR is defined, a random,
+ locally-assigned MAC is written to eth_device->enetaddr.
4. Program the address into hardware if the following conditions are met:
a) The relevant driver has a 'write_addr' function
b) The user hasn't set an 'ethmacskip' environment variable
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