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Hello,

I am a novice with ospf. I have a mixed environment of quagga/ospf and
cisco nexus/ospf devices. In Area 0 I have 4 routers. Three routers seem
to work normally. A router has problems. Here is the topology of area 0:

Cisco Nexus (area 0.0.0.0, Router ID: 141.57.252.161)
|
Point-to-Point
|
quagga netbsd(area 0.0.0.0, Router ID: 139.18.25.33)
| |
| |
| broadcast
| |
| quagga gentoo(area 0.0.0.0, Router ID: 139.18.17.123)
|
|
|
Point-to-Point
|
Cisco Nexus (area 0.0.0.0, Router ID: 139.18.122.97)


Now the output of 'show ipv6 ospfv3 border-routers'

Router ID: 139.18.122.97 shows:
OSPFv3 Process ID OSPFv3-Cluster VRF IPv6, Internal Routing Table
Codes: i - Intra-area route, I - Inter-area route

intra 10.10.10.1 [2], ASBR, ABR, Area 0.0.0.0, SPF 288
via fe80::fa66:f2ff:fe0a:3e41, Po4.6
intra 139.18.17.123 [14], ASBR, Area 0.0.0.0, SPF 288
via fe80::a236:9fff:fe26:9504, Eth4/4
intra 139.18.25.33 [4], ASBR, Area 0.0.0.0, SPF 288
via fe80::a236:9fff:fe26:9504, Eth4/4
intra 141.57.252.161 [14], ASBR, ABR, Area 0.0.0.0, SPF 288
via fe80::a236:9fff:fe26:9504, Eth4/4
inter 141.57.252.168 [18], ASBR, Area 0.0.0.0, SPF 288
via fe80::a236:9fff:fe26:9504, Eth4/4
inter 188.1.50.10 [4], ASBR, Area 0.0.0.0, SPF 288
via fe80::fa66:f2ff:fe0a:3e41, Po4.6
intra 188.1.239.50 [2], ASBR, Area 0.0.0.1, SPF 288
via fe80::fa66:f2ff:fe0a:7a41, Po6.6


Router ID: 141.57.252.161 shows:
OSPFv3 Process ID OSPFv3-URZ-UK72 VRF default, Internal Routing Table
Codes: i - Intra-area route, I - Inter-area route

intra 10.10.10.1 [16], ASBR, ABR, Area 0.0.0.0, SPF 55
via fe80::a236:9fff:fed4:3c0a, Eth2/4
intra 139.18.17.123 [14], ASBR, Area 0.0.0.0, SPF 55
via fe80::a236:9fff:fed4:3c0a, Eth2/4
intra 139.18.25.33 [4], ASBR, Area 0.0.0.0, SPF 55
via fe80::a236:9fff:fed4:3c0a, Eth2/4
intra 139.18.122.97 [14], ASBR, ABR, Area 0.0.0.0, SPF 55
via fe80::a236:9fff:fed4:3c0a, Eth2/4
inter 188.1.50.10 [18], ASBR, Area 0.0.0.0, SPF 55
via fe80::a236:9fff:fed4:3c0a, Eth2/4
inter 188.1.239.50 [16], ASBR, Area 0.0.0.0, SPF 55
via fe80::a236:9fff:fed4:3c0a, Eth2/4
intra 141.57.252.168 [4], ASBR, Area 0.0.0.11, SPF 55
via fe80::2a2:eeff:fe18:c72b, Eth1/46


Router ID: 139.18.17.123 shows:
Router-ID Rtr-Bits Options Path-Type Area
10.10.10.1 ------EB --|R|-|--|E|V6 Intra-Area 0.0.0.0
139.18.17.123 ------E- --|R|-|--|E|V6 Intra-Area 0.0.0.0
139.18.25.33 ------E- --|R|-|--|E|V6 Intra-Area 0.0.0.0
139.18.122.97 ------EB --|R|-|--|E|V6 Intra-Area 0.0.0.0
141.57.252.161 ------EB --|R|-|--|E|V6 Intra-Area 0.0.0.0
141.57.252.168 ------E- --|R|-|--|E|V6 Inter-Area 0.0.0.0
188.1.50.10 ------E- --|R|-|--|E|V6 Inter-Area 0.0.0.0
188.1.239.50 ------E- --|R|-|--|E|V6 Inter-Area 0.0.0.0


now the problem. Router ID: 139.18.25.33 shows:

Router-ID Rtr-Bits Options Path-Type Area
10.10.10.1 ------EB --|R|-|--|E|V6 Intra-Area 0.0.0.0
139.18.17.123 ------E- --|R|-|--|E|V6 Intra-Area 0.0.0.0
139.18.25.33 ------E- --|R|-|--|E|V6 Intra-Area 0.0.0.0
139.18.122.97 ------EB --|R|-|--|E|V6 Intra-Area 0.0.0.0
141.57.252.161 ------EB --|R|-|--|E|V6 Intra-Area 0.0.0.0

The router 139.18.25.33 is not connected to any other area. The router has
also not all routes in the ospf routing table. Does anyone have an idea
how to find the cause of the problem?

Thank you for your efforts

Regards
Uwe

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