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Cisco Router da Tünel açma ve VPN bağlantısı
Router1#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router1(config)#interface Tunnel1
Router1(config-if)#ip address 192.168.35.6 255.255.255.252
Router1(config-if)#tunnel source 172.25.1.5
Router1(config-if)#tunnel destination 172.25.1.7
Router1(config-if)#end
Router1#
Router5#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router5(config)#interface Tunnel3
Router5(config-if)#ip address 192.168.35.5 255.255.255.252
Router5(config-if)#tunnel source 172.25.1.7
Router5(config-if)#tunnel destination 172.25.1.5
Router5(config-if)#end
Router5#
Router1#show interfaces tunnel1
Tunnel1 is up, line protocol is up
Hardware is Tunnel
Internet address is 192.168.35.6/30
MTU 1514 bytes, BW 9 Kbit, DLY 500000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation TUNNEL, loopback not set
Keepalive not set
Tunnel source 172.25.1.5 (FastEthernet0), destination 172.25.1.7
Tunnel protocol/transport GRE/IP, key disabled, sequencing disabled
Checksumming of packets disabled, fast tunneling enabled
Last input 00:11:08, output 00:00:08, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
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
5 packets input, 740 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
73 packets output, 6604 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
Router1#
Router1(config)#interface Tunnel1
Router1(config-if)#keepalive 3 2
Router1(config-if)#tunnel checksum
Router1(config-if)#tunnel sequence-datagrams
Router1(config-if)#tunnel mode ipip
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Router1(config-if)#tunnel mode aurp
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AppleTalk "TunnelTalk" encapsulation
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Router1(config-if)#tunnel mode cayman
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Cayman AppleTalk tunnel encapsulation
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Router1(config-if)#tunnel mode dvmrp
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DVMRP multicast tunnel
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Router1(config-if)#tunnel mode eon
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Allows tunneling of CLNP OSI-based protocols through IP networks
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Router1(config-if)#tunnel mode gre ip
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GRE encapsulation, the default
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Router1(config-if)#tunnel mode gre ip multipoint
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GRE encapsulation; multipoint option automatically creates a mesh of tunnels among the participating routers
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Router1(config-if)#tunnel mode ipip
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IP in IP encapsulation
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Router1(config-if)#tunnel mode iptalk
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AppleTalk IPTalk encapsulation
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Router1(config-if)#tunnel mode nos
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A version of IP in IP that supports the KA9Q protocol
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Dinamik Yönlendirme ve VPN
Router1#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router1(config)#interface Tunnel1
Router1(config-if)#ip address 192.168.35.6 255.255.255.252
Router1(config-if)#tunnel source 172.25.1.5
Router1(config-if)#tunnel destination 172.22.1.2
Router1(config-if)#exit
Router1(config)#ip route 172.22.1.2 255.255.255.255 172.25.1.1
Router1(config)#router eigrp 55
Router1(config-router)#network 192.168.35.0
Router1(config-router)#end
Router1#
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