From: Jonny English (redkidneybeans@gmail.com)
Date: Sun Oct 21 2007 - 21:58:26 ART
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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