Hi Sengottuvelan,
Note that these drafts are only being considered as individual experimental
contributions (with the exception of link-local signalling which is being
considered for other reasons).
Anway, answers from one of the authors inline:
Hi all,
I have doubt on OSPF restart signalling draft http://tools.ietf.org/wg/ospf/draft-nguyen-ospf-restart-05.txt , section 2.1, The RS-bit must not be set in Hello packets longer than RouterDeadInterval seconds.
The dead interval is configured per interface basis, say , i have two interfaces eth0, eth1 with configured dead interval as 40 and 160. Is the RS bit cleared after 40 sec on eth0 and 160 sec on eth1?
Yes.
If the answer is yes, then what is the status of Restarting router?.
It depends on if the neighbor receives/accepts the RS-bit Hellos or not;
the mechanism works in conjuction with the corresponding neighbor's
'ResyncTimeout'
timer (2.2). The neighbor could reset the adjacency with the restarting
router;
that's one path.
Is the router exits restarting after 40sec or 160sec?
It's implementation specific as far as other timers limiting restart.
Technically, the restart and oob-resync
(http://tools.ietf.org/wg/ospf/draft-nguyen-ospf-oob-resync-05.txt)
can occur on a per-interface basis. If restart fails for one interface,
you can choose to terminate restart totally, or you can continue restart
on other interfaces because theoretically, transit flows on other interfaces
could be uninterrupted. Depending on the paranoid level, you may just
chose to terminate restart (also see 2.3).
Hope this helps,
Acee
Please clarify the same.
Thanks
Sengottuvelan
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