On Sat, Nov 15, 2003 at 02:29:37PM -0600, Robert G. (Doc) Savage wrote: > On Fri, 2003-11-14 at 12:51, Aaron Konstam wrote: > > The network programs on out FC1 machine is calculating the wrong > > broadcast address. For a machine with ip: 131.194.131.27 and > > netmask: 255.255.192.0 the broadcast address should > > be: 131.194.191.255 > > > > However, running ifconfig eth0 I get Bcast:255.255.191.255 > > > > This causes problems with commands that do broadcasts. > > > > Can anyone comment on this or indicate a cure for this error. > > Aaron, > > Here's a datapoint where it works correctly. I have four systems in a > 192.168.1.0 network behind a gateway router providing NAT and reserved > DHCP services: > > # ifconfig eth0 > eth0 Link encap:Ethernet HWaddr 00:03:47:90:C2:D7 > inet addr:192.168.1.4 Bcast:192.168.1.255 Mask:255.255.255.0 > (blah blah blah...) > > Are you using static addressing? If not, what does your DHCP server > config look like? Looks like whatever RH program handles ip calculation (route?) doesn't get it right unless you use the "old" classful netmask schema. -- Jack Bowling mailto: jbinpg@xxxxxxx
