X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=README;h=06c09c5c478e3b33ff7f3b30b1e6b2954787140a;hp=a5c3e8dcf7f349badd7295f261ea3dcf7a51c748;hb=ff55a90c5aeded97970dcbc04ddc38d3f6f2c450;hpb=aaf5e825606a70ddc8fca8e366d8c16a6fd3cc7c 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: