Document Linux 2.1.x bootp agent screw

diff --git a/README b/README
index b37943492258d80b703b08494326efb8ec3ece00..5cab3e373fc2202e1c8db3061b8bfd51c23ed76c 100644 (file)
--- a/README
+++ b/README
@@ -59,8 +59,9 @@ programming or debugging on your own to get the DHCP Distribution working.
 
                                LINUX
 
-There are two big LINUX issues: the all-ones broadcast address, and
-operations with more than one  network interface.
+There are three big LINUX issues: the all-ones broadcast address,
+Linux 2.1 ip_bootp_agent enabling, and operations with more than one
+network interface.
 
                               BROADCAST
 
@@ -97,6 +98,14 @@ Another route that has worked for some users is:
 If you are not using eth0 as your network interface, you should
 specify the network interface you *are* using in your route command.
 
+                           IP BOOTP AGENT
+
+Some versions of the Linux 2.1 kernel apparently prevent dhcpd from
+working unless you enable it by doing the following:
+
+             echo 1 >/proc/sys/net/ipv4/ip_bootp_agent
+
+
                         MULTIPLE INTERFACES
 
 Most older versions of the Linux kernel do not provide a networking