From: Jan Michel <j.michel@gsi.de>
Date: Thu, 26 Nov 2015 17:23:50 +0000 (+0100)
Subject: adding description of new GbE MAC address generation
X-Git-Url: https://jspc29.x-matter.uni-frankfurt.de/git/?a=commitdiff_plain;h=14cb5adc951f085bcd9e736dd35b5bf66fea9f25;p=daqdocu.git

adding description of new GbE MAC address generation
---

diff --git a/trb3/GbEGettingStarted.tex b/trb3/GbEGettingStarted.tex
index 67673bf..02a5265 100644
--- a/trb3/GbEGettingStarted.tex
+++ b/trb3/GbEGettingStarted.tex
@@ -11,10 +11,17 @@ packets once per second. With any network monitoring tools (ex. Wireshark) one
 have to capture such packet and check the source MAC address. This address has
 to be added to the DHCP configuration on Slow Control server PC. MAC address
 is generated basing on the unique ID assigned to each FPGA and a constant
-part: 02:00:BE:UNIQUE$\_$ID(31 downto 8) 
+part: 02:00:BE:UNIQUE$\_$ID(31 downto 8).
 
+Starting from 26/11/2015, the MAC address is generated as: DA:7A:nU:UU:UU:UU, 
+were 'n' is the number of the interface, counting from 0 to 3 (Typical TRB3: 3, 
+TRB3sc: 0, TRB3 second link: 2) and U are Bits 35..8 of the unique ID. I.e. a 
+unique id 0x820000050dec0a28 corresponds to (TRB3sc) DA:7A:05:0D:EC:0A - that is
+all relevant bits of the unique id are contained in the MAC address.
+
+To configure your PC, depending on your system configuration:
 \begin{itemize*}
-\item Open /etc/dhcpd.conf and add an entry specifying hostname and MAC address
+\item Open /etc/dhcpd.conf and add an entry specifying hostname and/or IP and MAC address
 \item Open /etc/hosts and add an entry specifying hostanme and an selected IP address
 \item Restart DHCP daemon
 \end{itemize*}