If you need to add addresses, you must add IPv4 addresses to both the hosts and ipnodes files. You add only IPv6 addresses to the ipnodes file.
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Address search order is ipnodes first, then hosts. (solaris 8, 9, 10)
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So ipnodes needn't be modified if it's no information about IPv4 address.
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But in Solaris 10, a new feature added:
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The /etc/nsswitch.conf file policies for the hosts database and ipnodes repositories are synchronized.
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In your case, hosts changed but ipnodes untouched so that
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system got old ip address from ipnodes.
lijianwuming
