OSPF problem in a GSR12000 with MPLS interfaces

Hi,
I am using an MPLS interface connected to other vendor routers.
OSPF is set on the MPLS interface.
The OSPF did not synched with the other vendor OSPF due to the following :
00:45:55: OSPF: Rcv DBD from 10.10.55.113 on GigabitEthernet4/0 seq 0x178476E opt 0x42 flag 0x7 len 32 mtu 1500 state EXSTART
00:45:55: OSPF: First DBD and we are not SLAVE
00:46:00: OSPF: Retransmitting DBD to 10.10.55.113 on GigabitEthernet4/0
00:46:00: OSPF: Up DBD Retransmit cnt to 1 for 10.10.55.113 on GigabitEthernet4/0
00:46:00: OSPF: Send DBD to 10.10.55.113 on GigabitEthernet4/0 seq 0x745 opt 0x52 flag 0x7 len 32
00:46:00: OSPF: Rcv DBD from 10.10.55.113 on GigabitEthernet4/0 seq 0x178476E opt 0x42 flag 0x7 len 32 mtu 1500 state EXSTART
00:46:00: OSPF: First DBD and we are not SLAVE
After diagnosing the problem we found out that if the loopback router-id address value is bigger then the neighbores IP address then you will get this problem.
If you will change the router-id ip address for 1.1.1.1 and the MTU is set ok (to be 1500 on the MPLs i/fs) then it will work well !
Regards,
Simhon Doctori.

Hi,
Sorry for barging in on this. Can you please tell me how this Master/Slave relationship comes into play in conjunction with DR. DR is a focal point for distributing LSD and propagating all the updates on broadcast or NBMA networks.
a. What if DR has a RID of 1.1.1.1 which is lower
than any other RID on a segment?
b. Will it be chosen as Master anyhow?
c. What if a topology change occurs on a Slave
router, it is allowed to update the Master?
Is there the same Master/Slave notion in other routing protocols, specifically ISIS, EIGRP and BGP?
Thank you very much.
David

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Signalling Summary:
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    Passive LSP Listener:           running
    RSVP Process:                   running
    Forwarding:                     enabled
    Periodic reoptimization:        every 3600 seconds, next in 2803 seconds
    Periodic FRR Promotion:         Not Running
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br04-7600-mtp02_t50              94.103.128.56    -         Gi3/2     up/up
br04-7600-mtp02_t51              94.103.128.56    -         Gi3/1     up/up
br01-7600-par01_t50              94.103.128.59    Gi3/2      -          up/up
br01-7600-par01_t51              94.103.128.59    Gi3/1      -          up/up
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P2MP TUNNELS:
Displayed 0 (of 0) P2MP heads
P2MP SUB-LSPS:
Displayed 0 P2MP sub-LSPs:
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LSP identifier                 In-label Out intf/label   FRR intf/label   Status
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*Sub-LSP identifier
src_lspid[subid]->dst_tunid    In-label Out intf/label   FRR intf/label   Status
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br04-7600-mtp02_t51
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Fast Reroute Backup Provided:
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    Protected LSPs/Sub-LSPs: 1, Active: 0
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Signalling Summary:
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    RSVP Process:                   running
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    Periodic reoptimization:        every 3600 seconds, next in 2489 seconds
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br01-7600-par01_t50              94.103.128.59    -         Gi3/1     up/up
br01-7600-par01_t51              94.103.128.59    -         Gi3/2     up/up
br04-7600-mtp02_t50              94.103.128.56    Gi3/1      -          up/up
br04-7600-mtp02_t51              94.103.128.56    Gi3/2      -          up/up
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Displayed 0 P2MP sub-LSPs:
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Tunnel50                       Tun hd   Gi3/1:implicit-n Tu51:implicit-nu Ready
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    Protected LSPs/Sub-LSPs: 1, Active: 0
    Backup BW: any pool unlimited; inuse: 0 kbps
    Backup flags: 0x0
Thx,
Laurent

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OSPF problem in a GSR12000 with MPLS interfaces

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