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Known issues (bug)on GNS3 ??

When I put "clear ip ospf process" after changing router-id on GNS3 , I got the bug

that there was the output of "show ip ospf neighbor" but there was no ospf route . like following output

after that , again I did put " clear ip ospf process "  without any changes after 2 minutes  .

I could see the output of " sh ip route ospf " .

Is this known bug on GNS3 ? Or

Is this the known issue that it happens sometime on real Cisco routers ?

I dont have the real labo . so I feel so insecure .

Here is the output after did put " clear ip ospf process "

R3#sh ip ospf nei

Neighbor ID     Pri   State           Dead Time   Address         Interface

1.1.1.1           1   FULL/DR         00:01:42    172.16.100.1    Serial0/0     <------------------------------------- I can see the neighboring

R3#

R3#sh ip route ospf

      <--------------------------------------------------there is no route .

R3#clear ip ospf pro  <-------------------------again I put clear ip ospf process

Reset ALL OSPF processes? [no]: y

R3#

*Mar  1 00:22:44.903: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial0/0 from FULL to DOWN, Neighbor Down: Interface down or detached

R3#

*Mar  1 00:23:08.359: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial0/0 from LOADING to FULL, Loading Done

R3#

R3#sh ip ospf nei

Neighbor ID     Pri   State           Dead Time   Address         Interface

1.1.1.1           1   FULL/DR         00:01:50    172.16.100.1    Serial0/0

R3#

R3#sh ip route ospf                                        <-------------------------------------This time I can see the output of sh ip route ospf

     172.16.0.0/16 is variably subnetted, 10 subnets, 4 masks

O       172.16.255.2/32 [110/65] via 172.16.100.2, 00:00:24, Serial0/0

O       172.16.255.1/32 [110/65] via 172.16.100.1, 00:00:24, Serial0/0

O IA    172.16.255.5/32 [110/75] via 172.16.100.2, 00:00:24, Serial0/0

O IA    172.16.255.4/32 [110/129] via 172.16.100.1, 00:00:24, Serial0/0

O IA    172.16.1.225/32 [110/129] via 172.16.100.1, 00:00:24, Serial0/0

O IA    172.16.1.193/32 [110/129] via 172.16.100.1, 00:00:24, Serial0/0

O IA    172.16.2.0/27 [110/74] via 172.16.100.2, 00:00:24, Serial0/0

O IA    172.16.1.124/30 [110/128] via 172.16.100.1, 00:00:24, Serial0/0

Have you ever have the issue on your real labo or actual environment ?

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