SUMMARY: adjusting broadcast

From: Francis, Rick <Rick.Francis_at_Transora.com>
Date: Thu May 24 2001 - 16:37:12 EDT
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-----Original Message-----
how are broadcasts to interfaces assigned and adjusted on boot up? 
i have to change them manually after bootup. 
for netmask i edit /etc/netmasks... 
rf 
 
A:
 
the reason i asked is that, although /etc/netmasks is correct, ifconfig is
not, meaning someone made a mistake.
here's s.q.'s response:
The rootusr script extracts the netmask (if necessary) from netmasks and

the ip from hosts and configures the broadcast based on that using the

broadcast + syntax from ifconfig. If this isn't happening correctly,

then your netmask is set improperly in /etc/netmasks. It should be your

original network number in the first column (eg: 10.0.0.0) and the new

netmask in the second column (eg: 255.255.255.0).

thanks.

rf




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<TITLE>SUMMARY: back-to-back connect on a 3000</TITLE>

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<DIV><FONT size=3D2><FONT face=3DTahoma>-----Original =
Message-----<BR></FONT><SPAN=20
class=3D674540520-24052001>how are broadcasts to interfaces assigned =
and adjusted=20
on boot up?<SPAN class=3D645333420-24052001><FONT face=3D"Lucida =
Console"=20
color=3D#0000ff>&nbsp;</FONT></SPAN></SPAN></FONT></DIV>
<DIV><SPAN class=3D674540520-24052001><FONT size=3D2>i have to change =
them manually=20
after bootup.<SPAN class=3D645333420-24052001><FONT face=3D"Lucida =
Console"=20
color=3D#0000ff>&nbsp;</FONT></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=3D674540520-24052001><FONT size=3D2>for netmask i edit =

/etc/netmasks...<SPAN class=3D645333420-24052001><FONT face=3D"Lucida =
Console"=20
color=3D#0000ff>&nbsp;</FONT></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=3D674540520-24052001><FONT size=3D2>rf<SPAN=20
class=3D645333420-24052001><FONT face=3D"Lucida Console"=20
color=3D#0000ff>&nbsp;</FONT></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=3D674540520-24052001><FONT size=3D2><SPAN=20
class=3D645333420-24052001></SPAN></FONT></SPAN>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D645333420-24052001>A:</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D645333420-24052001></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D645333420-24052001>the =
reason i asked=20
is that, although /etc/netmasks is correct, ifconfig is not, meaning =
someone=20
made a mistake.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN =
class=3D645333420-24052001>here's s.q.'s=20
response:</SPAN></FONT></DIV>
<DIV><FONT face=3DArial><SPAN class=3D645333420-24052001>
<P><FONT size=3D2>The rootusr script extracts the netmask (if =
necessary) from=20
netmasks and</FONT></P>
<P><FONT size=3D2>the ip from hosts and configures the broadcast based =
on that=20
using the</FONT></P>
<P><FONT size=3D2>broadcast + syntax from ifconfig. If this isn't =
happening=20
correctly,</FONT></P>
<P><FONT size=3D2>then your netmask is set improperly in /etc/netmasks. =
It should=20
be your</FONT></P>
<P><FONT size=3D2>original network number in the first column (eg: =
10.0.0.0) and=20
the new</FONT></P>
<P><FONT size=3D2>netmask in the second column (eg: =
255.255.255.0).</FONT></P>
<P><SPAN class=3D645333420-24052001><FONT face=3D"Lucida Console" =
color=3D#0000ff=20
size=3D2>thanks.</FONT></SPAN></P>
<P><SPAN class=3D645333420-24052001><FONT face=3D"Lucida Console" =
color=3D#0000ff=20
size=3D2>rf</FONT></SPAN></P></SPAN></FONT></DIV></BODY></HTML>
<BR>
<BR>
<BR>

<P><FONT SIZE=3D2 FACE=3D"Arial">The information transmitted is =
intended only for the person or entity to which it is addressed and may =
contain confidential and/or privileged material.  Any review, =
retransmission, dissemination or other use of, or taking of any action =
in reliance upon, this information by persons or entities other than =
the intended recipient is prohibited.  If you received this in error, =
please contact the sender and delete the material from any =
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Received on Thu May 24 21:37:12 2001

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