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ospfd: Self nbrs needs to be rebuilt when router ID changes.
Some self nbrs are identified by router_id, these needs to be rebuilt instead of just resetting router ID. Possibly one could optimize for !(virtual | ptop) links by doing oi->nbr_self->router_id = router_id instead. Router ID will change once after startup config has been read and zebra reports router ID, unless router ID has been configured in ospf. (cherry picked from commit 94266fa822baf9b9c9e10ac03ccec8ccf3ce0c98)
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@ -118,8 +118,15 @@ ospf_router_id_update (struct ospf *ospf)
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{
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for (ALL_LIST_ELEMENTS_RO (ospf->oiflist, node, oi))
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/* Update self-neighbor's router_id. */
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oi->nbr_self->router_id = router_id;
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{
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/* Some nbrs are identified by router_id, these needs
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* to be rebuilt. Possible optimization would be to do
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* oi->nbr_self->router_id = router_id for
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* !(virtual | ptop) links
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*/
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ospf_nbr_delete(oi->nbr_self);
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ospf_nbr_add_self(oi);
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}
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/* If AS-external-LSA is queued, then flush those LSAs. */
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if (router_id_old.s_addr == 0 && ospf->external_origin)
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