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ospfd: allow interfaces to come up in rare situation

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On startup of both zebra and ospfd.  If ospfd has not
received a valid router-id *but* has received interface
data, interfaces will not be turned on in the state
machine.  When ospf finally receives a valid router-id
it would never actually kick the state machine into
action for those interfaces it has been configured for.

Modify ospf on router id changes, *if* the old
router id was INADDR_ANY *and* the interface is
operative *and* the oi->state is ISM_Down, give
it the old kick in the patooeys

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2020-07-07 21:48:34 -04:00
parent c4c3330652
commit 7e0274f822
1 changed files with 12 additions and 0 deletions
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12
ospfd/ospfd.c
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@ -132,6 +132,18 @@ void ospf_router_id_update(struct ospf *ospf)
* !(virtual | ptop) links
*/
ospf_nbr_self_reset(oi, router_id);
/*
* If the old router id was not set, but now it
* is and the interface is operative and the
* state is ISM_Down we should kick the state
* machine as that we processed the interfaces
* based upon the network statement( or intf config )
* but could not start it at that time.
*/
if (if_is_operative(oi->ifp) && oi->state == ISM_Down
&& router_id_old.s_addr == INADDR_ANY)
ospf_if_up(oi);
}
/* Flush (inline) all external LSAs based on the OSPF_LSA_SELF