X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=README;h=06c09c5c478e3b33ff7f3b30b1e6b2954787140a;hb=914d7ec2b61ac18abf4fc0f27ce0ebc931cbc9f2;hp=a5c3e8dcf7f349badd7295f261ea3dcf7a51c748;hpb=5b9c79a81db80c3f9e50c77477957cd803429af8;p=karo-tx-uboot.git

diff --git a/README b/README
index a5c3e8dcf7..06c09c5c47 100644
--- a/README
+++ b/README
@@ -1804,6 +1804,17 @@ CBFS (Coreboot Filesystem) support
 		4th and following
 		BOOTP requests:		delay 0 ... 8 sec
 
+- 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: