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ospf6d: Show neighbor displays twice for every neighbor.

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Problem Statement:
=================
When show ipv6 ospf6 neighbor is executed each neighbor gets
displayed twice.

frr# show ipv6 ospf6 neighbor
Neighbor ID     Pri    DeadTime    State/IfState         Duration I/F[State]
1.1.1.1           1    00:00:39     Full/DR              00:00:10 ens192[BDR]
1.1.1.1           1    00:00:39     Full/DR              00:00:10 ens192[BDR]

RCA:
====
Since ospf6_interface gets added twice to if_list we see multiple
display output.

Fix:
====
add ospf6_interface to if_list only when newly area gets attached
to the interface. If its already added no need to add it again.

Risk:
=====
Low

Tests Executed:
===============
Have tested the defect scenario.

frr# show ipv6 ospf6 neighbor
Neighbor ID     Pri    DeadTime    State/IfState         Duration I/F[State]
1.1.1.1           1    00:00:35     Full/DR              00:36:04 ens192[BDR]
frr#

Signed-off-by: Abhinay Ramesh <rabhinay@vmware.com>
This commit is contained in:
Abhinay Ramesh 2021-06-22 16:41:25 +00:00
parent 590303a029
commit 4069972831
1 changed files with 3 additions and 0 deletions
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3
ospf6d/ospf6_interface.c
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@ -1632,6 +1632,9 @@ void ospf6_interface_start(struct ospf6_interface *oi)
if (oi->area_id_format == OSPF6_AREA_FMT_UNSET)
return;
if (oi->area)
return;
ospf6 = ospf6_lookup_by_vrf_id(oi->interface->vrf_id);
if (!ospf6)
return;