X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=README;h=a435c8b2fa7ce054530002b7d5d8f20f197710ad;hb=refs%2Fheads%2Fkaro-txa5;hp=a28ff133ee057c17af79a397e44325328f82dedf;hpb=8e3da9dd113699eed2fa05fcde3c55a2ff410913;p=karo-tx-uboot.git

diff --git a/README b/README
index a28ff133ee..a435c8b2fa 100644
--- a/README
+++ b/README
@@ -2207,6 +2207,17 @@ CBFS (Coreboot Filesystem) support
 		requests. Increasing this will allow U-Boot to accept offers
 		from a BOOTP client in networks with unusually high latency.
 
+- BOOTP Random transaction ID:
+		CONFIG_BOOTP_RANDOM_ID
+
+		The standard algorithm to generate a DHCP/BOOTP transaction ID
+		by using the MAC address and the current time stamp may not
+		quite unlikely produce duplicate transaction IDs from different
+		clients in the same network. This option creates a transaction
+		ID using the rand() function. Provided that the RNG has been
+		seeded well, this should guarantee unique transaction IDs
+		always.
+
 - DHCP Advanced Options:
 		You can fine tune the DHCP functionality by defining
 		CONFIG_BOOTP_* symbols: