hostname TUNNEL-1 ! boot-start-marker boot-end-marker ! !card type command needed for slot 1 logging buffered 10000 debugging ! no aaa new-model no network-clock-participate slot 1 ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 description OSPF ID ip address 192.168.255.255 255.255.255.255 ! interface Loopback1 ip address 192.168.254.254 255.255.255.255 ! interface Loopback2 ip address 192.168.100.100 255.255.255.255 ! interface Tunnel0 ip address 192.168.0.1 255.255.255.252 keepalive 10 3 tunnel source Loopback2 tunnel destination 192.168.253.253 ! interface GigabitEthernet0/0 ip address 10.21.0.10 255.255.255.0 duplex auto speed auto media-type rj45 ! interface GigabitEthernet0/1 no ip address duplex auto speed auto media-type rj45 ! interface GigabitEthernet0/1.1 encapsulation dot1Q 100 ip address 10.29.0.1 255.255.255.252 ! interface GigabitEthernet0/1.2 encapsulation dot1Q 101 ip address 10.29.0.5 255.255.255.252 no cdp enable ! interface Serial0/0/0 no ip address shutdown no fair-queue clock rate 2000000 ! interface Serial0/0/1 no ip address shutdown clock rate 2000000 ! ip forward-protocol nd ip route 0.0.0.0 0.0.0.0 Tunnel0 ip route 172.16.0.0 255.255.255.252 10.21.0.3 ip route 192.168.200.200 255.255.255.255 10.21.0.3 ip route 192.168.253.253 255.255.255.255 10.21.0.3 ! ! ! ! ! ! ! ! ! ! ! ! hostname CENTER ! boot-start-marker boot-end-marker ! ! no aaa new-model ip cef ! ! ! ! ! multilink bundle-name authenticated ! ! ! ! ! ! archive log config hidekeys ! ! ! ! ! interface Loopback99 description SOLO PER OSPF ip address 192.168.255.255 255.255.255.255 ! interface FastEthernet0/0 ip address 10.21.0.3 255.255.255.0 duplex auto speed auto ! interface FastEthernet0/1 ip address 172.16.0.1 255.255.255.252 duplex auto speed auto ! ip route 0.0.0.0 0.0.0.0 10.21.0.254 ip route 192.168.100.100 255.255.255.255 10.21.0.10 ip route 192.168.200.200 255.255.255.255 172.16.0.2 ip route 192.168.253.253 255.255.255.255 172.16.0.2 ip route 192.168.254.254 255.255.255.255 10.21.0.10 ! ! ! ! ! ! ! ! ! ! ! ! hostname TUNNEL-2 ! boot-start-marker boot-end-marker ! logging buffered 10000 ! no aaa new-model ip cef ! ! ! ! multilink bundle-name authenticated ! ! ! ! ! ! archive log config hidekeys ! ! ! ! ! interface Loopback1 ip address 192.168.253.253 255.255.255.255 ! interface Loopback2 ip address 192.168.200.200 255.255.255.255 ! interface Loopback99 description SOLO PER OSPF ip address 192.168.255.254 255.255.255.255 ! interface Tunnel0 ip address 192.168.0.2 255.255.255.252 keepalive 10 3 tunnel source Loopback2 tunnel destination 192.168.254.254 ! interface FastEthernet0/0 ip address 172.16.0.2 255.255.255.252 duplex auto speed auto ! interface FastEthernet0/1 no ip address duplex auto speed auto ! interface FastEthernet0/1.1 encapsulation dot1Q 27 ip address 10.27.0.254 255.255.255.0 ! interface FastEthernet0/1.2 encapsulation dot1Q 28 ip address 10.28.0.254 255.255.255.0 ! interface Serial0/0/0 no ip address shutdown no fair-queue clock rate 2000000 ! ip route 0.0.0.0 0.0.0.0 Tunnel0 ip route 10.21.0.0 255.255.255.0 172.16.0.1 ip route 192.168.100.100 255.255.255.255 172.16.0.1 ip route 192.168.254.254 255.255.255.255 172.16.0.1 ! ! TUNNEL-1#sh int t0 Tunnel0 is up, line protocol is down Hardware is Tunnel Internet address is 192.168.0.1/30 MTU 1514 bytes, BW 9 Kbit/sec, DLY 500000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation TUNNEL, loopback not set Keepalive set (10 sec), retries 3 Tunnel source 192.168.100.100 (Loopback2), destination 192.168.253.253 Tunnel protocol/transport GRE/IP Key disabled, sequencing disabled Checksumming of packets disabled Tunnel TTL 255 Fast tunneling enabled Tunnel transmit bandwidth 8000 (kbps) Tunnel receive bandwidth 8000 (kbps) Last input never, output 00:00:01, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 1 Queueing strategy: fifo Output queue: 0/0 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 0 packets input, 0 bytes, 0 no buffer Received 0 broadcasts, 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 374 packets output, 17952 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 unknown protocol drops 0 output buffer failures, 0 output buffers swapped out TUNNEL-2#sh int t0 Tunnel0 is up, line protocol is down Hardware is Tunnel Internet address is 192.168.0.2/30 MTU 1514 bytes, BW 9 Kbit, DLY 500000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation TUNNEL, loopback not set Keepalive set (10 sec), retries 3 Tunnel source 192.168.200.200 (Loopback2), destination 192.168.254.254 Tunnel protocol/transport GRE/IP Key disabled, sequencing disabled Checksumming of packets disabled Tunnel TTL 255 Fast tunneling enabled Tunnel transmit bandwidth 8000 (kbps) Tunnel receive bandwidth 8000 (kbps) Last input never, output 00:00:03, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 1 Queueing strategy: fifo Output queue: 0/0 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 0 packets input, 0 bytes, 0 no buffer Received 0 broadcasts, 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 411 packets output, 19728 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 output buffer failures, 0 output buffers swapped out