http://defect.opensolaris.org/bz/show_bug.cgi?id=9066
Summary: nwam needs to enforce timeout on NCU bringup
Classification: Development
Product: nwam
Version: unspecified
Platform: ANY/Generic
OS/Version: All
Status: NEW
Severity: normal
Priority: P3
Component: ON daemon
AssignedTo: nwam-dev at opensolaris.org
ReportedBy: renee.danson at sun.com
QAContact: nwam-dev at opensolaris.org
In the phase 0/0.5 days, nwamd had a timeout that was used in case of
slow-to-respond, or absent dhcp servers. If after a defined length of
time an address was not obtained, nwamd would try the next available
llp. If the higher-priority llp ever obtained an address, the lower-
priority one would be disabled. The length of the timer was configurable
via the dhcp_wait_time service property.
Phase 1 needs something like this, so it's not just about dhcp any more.
If a link/interface NCU pair gets stuck in the offline* state, we need to
timeout and try something else. The dhcp_wait_time property should become
ncu_wait_time, and it should limit the amount of time nwamd will wait on
a link/interface pair to emerge from the offline* state. On timer expiry,
the NCUs will be left in the offline* state, and will therefore continue
trying to come up; but configuration will begin of an alternate NCU (from
a lower priority group).
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