Problem in routing the network in GNS3

        Can someone please help me:
enter image description here Cloud 5 is configured with a loopback adapter on my PC with ip 10.84.104.254. R1 F0/1: 10.84.104.1 i am able to ping R1 F0/1 from outside, as well as I can ping and do all the functionalities from R1 F0/0 to internal network. But when I am trying to ping R2 F0/0 (192.168.12.2) from outside, its not reachable. I guess the communication is not taking place between the fastethernet port f0/0 & f0/1 on router R1. Please suggest:
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is 10.84.104.254 to network 0.0.0.0

C    192.168.12.0/24 is directly connected, FastEthernet0/0
     192.168.14.0/32 is subnetted, 1 subnets
O       192.168.14.5 [110/41] via 192.168.12.2, 00:12:56, FastEthernet0/0
O    192.168.45.0/24 [110/40] via 192.168.12.2, 00:12:56, FastEthernet0/0
O    192.168.24.0/24 [110/11121] via 192.168.12.2, 00:12:56, FastEthernet0/0
     10.0.0.0/24 is subnetted, 1 subnets
C       10.84.104.0 is directly connected, FastEthernet0/1
O    192.168.23.0/24 [110/20] via 192.168.12.2, 00:12:57, FastEthernet0/0
O    192.168.34.0/24 [110/30] via 192.168.12.2, 00:12:57, FastEthernet0/0
S*   0.0.0.0/0 [1/0] via 10.84.104.254
Router Configuration:
    hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
ip multicast-routing
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
!
interface FastEthernet0/0
 ip address 192.168.12.1 255.255.255.0
 ip pim dense-mode
 duplex auto
 speed auto
!
interface FastEthernet0/1
 ip address 10.84.104.1 255.255.255.0
 ip pim sparse-mode
 duplex auto
 speed auto
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
router ospf 1
 log-adjacency-changes
 network 0.0.0.0 255.255.255.255 area 0
 default-information originate
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 10.84.104.254
!
!
no ip http server
no ip http secure-server
!
no cdp log mismatch duplex
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end
Second Router:
    hostname R2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
ip multicast-routing
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
!
interface Tunnel0
 ip address 192.168.24.2 255.255.255.0
 ip pim dense-mode
 tunnel source FastEthernet0/1
 tunnel destination 192.168.34.4
!
interface FastEthernet0/0
 ip address 192.168.12.2 255.255.255.0
 ip pim dense-mode
 duplex auto
 speed auto
!
interface FastEthernet0/1
 ip address 192.168.23.2 255.255.255.0
 ip pim dense-mode
 duplex auto
 speed auto
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
router ospf 1
 log-adjacency-changes
 passive-interface Tunnel0
 network 0.0.0.0 255.255.255.255 area 0
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
no cdp log mismatch duplex
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

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