Re: IP OSPF neigh stuck in 2WAY

From: ISolveSystems (support@isolvesystems.com)
Date: Wed Aug 22 2007 - 20:09:02 ART


Thanks a lot. I forgot about that...

On 8/22/07, Joel Amao <femmy79@hotmail.com> wrote:
>
>
> This is expected. Devices in a broadcast network will only form full
> adjacency with the DR and BDR. All others will be in 2 way state.
>
>
>
> Joel Amao
> CCIE#18128
>
>
>
> > Date: Wed, 22 Aug 2007 17:39:00 -0500
> > From: support@isolvesystems.com
> > To: ccielab@groupstudy.com
> > Subject: IP OSPF neigh stuck in 2WAY
> >
> > Hello expert,
> >
> > R5(FA0/1) and R4(Fa0/0) are in VL45 as well as SW3 and SW4. For some
> > reason, R4 and R5 stuck in two way. All the others neighbor up. I have
> > turned on debugging and check the config and found nothing wrong.
> >
> > Any idea?
> >
> > Rack1R5(config-if)#do sh ip osp nei
> >
> > Neighbor ID Pri State Dead Time Address Interface
> > 150.1.4.4 0 FULL/ - - 129.1.54.4
> > Serial0/0/0.54
> > 150.1.4.4 1 2WAY/DROTHER 00:00:39 129.1.45.4
> > FastEthernet0/1
> > 150.1.9.9 1 FULL/DR 00:00:32 129.1.45.1
> > FastEthernet0/1
> > 150.1.10.10 1 FULL/BDR 00:00:38 129.1.45.2
> > FastEthernet0/1
> > 150.1.8.8 1 FULL/DR 00:00:34 129.1.58.8
> > FastEthernet0/0
> > Rack1R5(config-if)#
> >
> > Rack1R4#sh ip osp nei
> >
> > Neighbor ID Pri State Dead Time Address Interface
> > 150.1.5.5 0 FULL/ - - 129.1.54.5
> > Serial0/0/0.54
> > 150.1.6.6 1 FULL/BDR 00:00:34 129.1.46.6
> > FastEthernet0/1
> > 150.1.5.5 1 2WAY/DROTHER 00:00:31 129.1.45.5
> > FastEthernet0/0
> > 150.1.9.9 1 FULL/DR 00:00:37 129.1.45.1
> > FastEthernet0/0
> > 150.1.10.10 1 FULL/BDR 00:00:33 129.1.45.2
> > FastEthernet0/0
> > Rack1R4#
> >
> > Rack1SW3(config-if)#do sh ip osp nei
> >
> > Neighbor ID Pri State Dead Time Address Interface
> > 150.1.4.4 1 FULL/DROTHER 00:00:35 129.1.45.4 Vlan45
> > 150.1.5.5 1 FULL/DROTHER 00:00:32 129.1.45.5 Vlan45
> > 150.1.10.10 1 FULL/BDR 00:00:34 129.1.45.2 Vlan45
> > 150.1.10.10 0 FULL/ - 00:00:34 129.1.34.10
> > Port-channel34
> > Rack1SW3(config-if)#
> >
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>
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