GRE OSPF

[andrew005]

Hello, I need help. Firstly, I can't ping the computers FILLIA 1 FILLIA 2 from MAIN BUILDING
Secondly, I have some problems with setting up the tunnel from FILLIA 1 FILLIA 2 to MAIN BUILDING.
Can you help me with it and write down all commands that we ned to write in?
Examples for setting the tunnel
interface Tunnel0
ip address 100.100.100.1 255.255.255.0
tunnel source GigabitEthernet0/0
tunnel destination 11.11.11.13
!
interface GigabitEthernet0/0
ip address 11.11.11.1 255.255.255.252
ip nat outside
!
interface GigabitEthernet0/1
ip address 192.168.1.1 255.255.255.0
ip nat inside
!
ip nat inside source list FOR-NAT interface
GigabitEthernet0/0 overload
ip route 0.0.0.0 0.0.0.0 11.11.11.2
ip route 192.168.0.0 255.255.255.0 100.100.100.2
!
ip access-list extended FOR-NAT
deny ip 192.168.1.0 0.0.0.255 192.168.0.0 0.0.0.255
permit ip 192.168.1.0 0.0.0.255 any
!
and 
interface Tunnel0
ip address 100.100.100.2 255.255.255.0
tunnel source GigabitEthernet0/0
tunnel destination 11.11.11.1
!
interface GigabitEthernet0/0
ip address 11.11.11.13 255.255.255.252
ip nat outside
!
interface GigabitEthernet0/1
ip address 192.168.0.1 255.255.255.0
ip nat inside
!
ip nat inside source list FOR-NAT interface
GigabitEthernet0/0 overload
ip nat inside source static tcp 192.168.0.10 80
11.11.11.13 80
ip route 0.0.0.0 0.0.0.0 11.11.11.14
ip route 192.168.1.0 255.255.255.0 100.100.100.1
!
ip access-list extended FOR-NAT
deny ip 192.168.0.0 0.0.0.255 192.168.1.0 0.0.0.255
permit ip 192.168.0.0 0.0.0.255 any

[MHM Cisco World]

Try use static route using tunnel as egress interface instead of using next-hop

I.e.

Ip route x.x.x.x x.x.x.x tunnel x

MHM

[Julio E. Moisa]

Hi

You need to implement static or dynamic routing through the tunnel. 

The first rule creating GRE tunnel is first checking connectivity between the peers.

Regards 

[M02@rt37]

Hello @andrew005 

Add redistribute static command on Router11

You will be able to ping from main building the Gw of the subnet on FILLIA1.

Check also thanks to the simulation mode where you are blocked.