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basic questions on ifconfig -a

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Operating Systems Solaris basic questions on ifconfig -a
# 1  
Old 12-04-2011
basic questions on ifconfig -a
Code:
lo0: flags=1000849 <UP,LOOPBACK,RUNNING,MULTICAST,IPv4>
mtu 8232 index 1 inet 127.0.0.1 netmask ff000000
qfe0: flags=1004843 <UP,BROADCAST,RUNNING,MULTICAST,IPv4>
mtu 1500 index 2 inet 10.0.0.112 netmask ffffff80 broadcast 10.0.0.127 ether 8:0:20:b9:4c:54 
qfe1: flags=1004843 <UP,BROADCAST,RUNNING,MULTICAST,IPv4>
mtu 1500 index 3 inet 10.0.0.118 netmask ffffff80 broadcast 10.0.0.127 ether 8:0:20:6f:5e:17


1. What do index1, index2 and index 3 mean?
2. When I did "plumb up" the NIC card, I did not use any broadcast address. Where did it come from?
Last edited by DukeNuke2; 12-05-2011 at 05:42 AM..
# 2  
Old 12-04-2011
man ifconfig:

Quote:
index n

Change the interface index for the interface. The value of n must be an interface index (if_index) that is not used on another interface. if_index will be a non-zero positive number that uniquely identifies the network interface on the system.
https://www.unix.com/man-page/OpenSolaris/1m/ifconfig/
Last edited by dude2cool; 12-04-2011 at 11:45 PM..
# 3  
Old 12-05-2011
Quote:
Originally Posted by jtamminen
2. When I did "plumb up" the NIC card, I did not use any broadcast address. Where did it come from?
man ifconfig:
Quote:
The default broadcast address is the address with a host part of all 1's.
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