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how to change the subnet mask of interface

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Operating Systems Solaris how to change the subnet mask of interface
# 1  
Old 05-06-2009
Bug how to change the subnet mask of interface
Hi all,

could you please tell me how to Change the subnet mask of interface aded:1 from ffffffc0 to ffffff80

regards
Krishna
# 2  
Old 05-06-2009
You can use ifconfig and you should also update /etc/netmasks
# 3  
Old 05-06-2009
give some examples please.


regards
Krishna
# 4  
Old 05-06-2009
1) Edit /etc/inet/netmasks with the subnet and netmask information for
example:

# 10.82.3.0 255.255.255.0

2) If the interfaces are already plumbed/up on that particular server
than issue the following:

# ifconfig -a netmask + broadcast + <ENTER>

This will change the netmask on the fly as well as persistantly.
# 5  
Old 05-06-2009
Hi incredible,

I am OK with your example, but i have still doubt on change the subnet mask value.

where i can change this value ffffffc0 to ffffff80. please give another example.

Many thanks for your help on this.


regards
Krishna
# 6  
Old 05-06-2009
Quote:
Originally Posted by murthy76
give some examples please.


regards
Krishna
Using the search function of this website or google would get you plenty of examples. There are man pages for both included in the Solaris OS and Sun Microsystems Documentation has detailed documents. You have to do some of the work yourself.
# 7  
Old 05-06-2009
ffffffc0 is 255.255.255.192 and ffffff80 is 255.255.255.128.

Use the decimal notation in your /etc/netmasks file.
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