why broadcast value are not the same for same command ?

George Pappas george at mirrabooka.com
Fri Oct 6 06:56:49 UTC 2006


Hi,

What version OS are you running? also could you paste your output from 
ifconfig.




M E Fieu wrote:
> I can't see the virtual interface IP when I run the GUI linux network config.  Only the main one
> eth0 is there for us to edit.   
>
> --- George Pappas <george at mirrabooka.com> wrote:
>
>   
>> Hey,
>>
>> I am not sure about your subnet mask problem, but if you want eth0:1 to 
>> be active when your machine boots run system-config-network edit the 
>> virtual eth and under the general tab tick "Activate device when parent 
>> devices starts"
>>
>>
>> M E Fieu wrote:
>>     
>>> Hi.. I have 2 unix boxes, XXX and YYY.  I issued the same command in the 2 boxes as below for
>>> eth0:0 and I found that the Bcast that I get are different.  Why ?   The correct Bcast should
>>>       
>> be
>>     
>>> 10.1.113.63 ?  And also how do I make the eth0:0 to stay after the reboot ?
>>>
>>>
>>> [root at xxx root]# ifconfig eth0:0 10.1.113.3 netmask 255.255.255.192 up
>>> the result come up as 
>>>
>>> eth0:0    Link encap:Ethernet  HWaddr 00:0D:60:9A:1E:20  
>>>           inet addr:10.1.113.3  Bcast:10.255.255.255  Mask:255.255.255.192
>>>
>>> Bcast is 10.255.255.255
>>>
>>> [root at yyy root]# ifconfig eth0:0 10.1.113.3 netmask 255.255.255.192 up
>>>
>>> the result is inet addr:10.1.113.3  Bcast:10.1.113.63  Mask:255.255.255.192
>>>
>>>
>>>
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>>>   
>>>       
>> -- 
>> George Pappas
>> Mirrabooka Systems Pty Ltd
>>
>> E: george at mirrabooka.com
>> P: 07 3857 7899
>> F: 07 3857 1368
>>
>>
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>>
>>     
>
>
> __________________________________________________
> Do You Yahoo!?
> Tired of spam?  Yahoo! Mail has the best spam protection around 
> http://mail.yahoo.com 
>
>   

-- 
George Pappas
Mirrabooka Systems Pty Ltd

E: george at mirrabooka.com
P: 07 3857 7899
F: 07 3857 1368





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