From: Gregory Gombas (ggombas@gmail.com)
Date: Sun Oct 21 2007 - 22:05:27 ART
Yup. Its seems that if you configure the network area statement before
changing the network type it will never accept the neighbor statement
(even if you change the network type later).
The only way I could get it working was by removing and re-adding the
ospf configuration.
On 10/21/07, Jonny English <redkidneybeans@gmail.com> wrote:
> Did you change the network type?
>
>
> On 10/22/07, Gregory Gombas <ggombas@gmail.com> wrote:
> >
> > This is from IE v4.1 Lab 1 Task 3.2
> >
> > Task states to ensure host devices running OSPF on vlan 45 cannot
> > intercept communication between R4 and R5.
> >
> > Solution states to configure ethernets as ospf type non-broadcast and
> > configure neighbor statements. At first OSPF would not take the
> > neighbor statement and came back with "OSPF: Neighbor command is
> > allowed only on NBMA and point-to-multipoint networks"
> >
> > Rack4R4(config)#int fa0/0
> > Rack4R4(config-if)#ip ospf network non-broadcast
> > Rack4R4(config-if)#router ospf 1
> > Rack4R4(config-router)#
> > Rack4R4(config-router)#network 183.4.45.4 0.0.0.0 area 45
> > Rack4R4(config-router)#neighbor 183.4.45.5
> > OSPF: Neighbor command is allowed only on NBMA and point-to-multipoint
> networks
> > Rack4R4(config-router)#neighbor 183.4.45.5
> > OSPF: Neighbor command is allowed only on NBMA and point-to-multipoint
> networks
> > Rack4R4(config-router)#
> >
> >
> > But once I deleted the OSPF config and re-added, it accepted the
> > neighbor statement:
> >
> > Rack4R4(config-if)#router ospf 1
> > Rack4R4(config-router)#net
> > Rack4R4(config-router)#network 183.4.45.4 0.0.0.0 area 45
> > Rack4R4(config-router)#nei
> > Rack4R4(config-router)#neighbor 183.4.45.5
> > Rack4R4#show ip ospf nei
> >
> > Neighbor ID Pri State Dead Time Address
> Interface
> > 150.4.5.5 1 FULL/BDR 00:01:31 183.4.45.5
> > FastEthernet0/0
> >
> > Anyone come across this before?
> >
> >
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