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ifconfig primary & standby purpose

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Operating Systems Solaris ifconfig primary & standby purpose
# 1  
Old 03-30-2010
ifconfig primary & standby purpose
I have two ethernet interfaces nge0 and nge1.

An IP assigned on nge0 is 10.10.10.1/24 and on nge1 is 20.20.20.1/24. I want to make nge0 as primary interface.

My question here is,

1. Being nge0 as primary interface, if I ping to an IP 20.20.20.5, what will happen?
2. If the answer for the question#1 says that it will not ping, how do I make an IP 20.20.20.5 reachable with nge0 interface as primary?
2. how to define the primary and standby interface in Solaris?
# 2  
Old 03-30-2010
you can search for online examples on how to setup IPMP (be it link based or using test address)
for your question,you must ensure that your gateway is reachable plus you should supply the netmask for the IP range. there should not be any firewall restrictions
# 3  
Old 03-30-2010
Yes, the netmask mentioned was /24 subnet and I will make sure that gateways are reachable in either case for nge0 and nge1.

nge0: 10.10.10.1/24
nge1: 20.20.20.1/24

1. Being nge0 as primary interface, if I ping to an IP 20.20.20.5, what will happen?
2. If the answer for the question#1 says that it will not ping, how do I make an IP 20.20.20.5 reachable with nge0 interface as primary?
3. how to define the primary and standby interface in Solaris?

Can anyone guide me for these questions?
# 4  
Old 03-30-2010
what are you talking about? the purpose of pri/sec interface is for redundancy purpose. so why are there 2 diff range of IP addresses?
# 5  
Old 03-30-2010
Yeah, you are correct. I had some confusion on this part. By the way, thanks.
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