【文章內(nèi)容簡介】 ing通R2,可以telnet R2 RT1 sys System View: return to User View with Ctrl+Z.[RT1]int s0/1/0 [RT1Serial0/1/0]ip ad 24 [RT1Serial0/1/0] %Dec 2 18:51:58:891 2015 RT1 IFNET/5/PROTOCOL_UPDOWN: Protocol PPP IPCP on the interface Serial0/1/0 is UP.[RT1Serial0/1/0]qu [RT1]ping PING : 56 data bytes, press CTRL_C to break Request time out Request time out Request time out Request time out Request time ping statistics5 packet(s)transmitted 0 packet(s)received % packet loss RT2 sys System View: return to User View with Ctrl+Z.[RT2]int s0/1/0 [RT2Serial0/1/0]ip ad 24 [RT2Serial0/1/0] %Dec 2 18:51:58:297 2015 RT2 IFNET/5/PROTOCOL_UPDOWN: Protocol PPP IPCP on the interface Serial0/1/0 is UP.[RT2Serial0/1/0]int s0/1/1 [RT2Serial0/1/1]ip ad 24 [RT2Serial0/1/1]qu [RT2]tel [RT2]telnet server enable % Start Telnet server [RT2]userinterface vty 0 [RT2uivty0]authenticationmode none [RT2uivty0]user privilege level 3 [RT2]firewall enable [RT2]acl number 3000 [RT2acladv3000]rule 1 deny tcp source 0 destinationport eq telnet [RT2acladv3000]qu [RT2]int s0/1/0 [RT2Serial0/1/0]firewall packetfilter 3000 inbound [RT2Serial0/1/0]qu RT3 sys System View: return to User View with Ctrl+Z.[RT3]int s0/1/1 [RT3Serial0/1/1]ip ad 24 [RT3Serial0/1/1] %Dec 2 18:52:43:515 2015 RT3 IFNET/5/PROTOCOL_UPDOWN: Protocol PPP IPCP on the interface Serial0/1/1 is UP.[RT3Serial0/1/1]qu [RT3]ping PING : 56 data bytes, press CTRL_C to breakReply from : bytes=56 Sequence=1 ttl=255 time=4 ms Reply from : bytes=56 Sequence=2 ttl=255 time=1 ms Request time out Reply from : bytes=56 Sequence=4 ttl=255 time=1 ms Reply from : bytes=56 Sequence=5 ttl=255 time=1 ping statistics5 packet(s)transmitted 4 packet(s)received % packet loss roundtrip min/avg/max = 1/1/4 ms [RT3] telnet Trying ... quit 實驗四：小綜合圖44 需求：PC1和PC2是A部，PC3是B部；PC1和PC2可以通信，但不能和PC3通信。PCPC2；使用動態(tài)路由訪問30網(wǎng)段。RT2開啟telnet功能，RT1使用密碼模式登陸。SW1 sys System View: return to User View with Ctrl+Z.[SW1]vlan 10 [SW1vlan10]port e0/4/0 [SW1vlan10]port e0/4/1 [SW1vlan10]vlan 20 [SW1vlan20]port e0/4/2 [SW1vlan20]vlan 30 [SW1vlan30]qu [SW1]int e0/4/0 [SW1Ethernet0/4/0]port linktype hybrid [SW1Ethernet0/4/0]port hybrid vlan 10 30 untagged Please wait...Done.[SW1Ethernet0/4/0]qu [SW1]int e0/4/1 [SW1Ethernet0/4/1]port linktype hybrid [SW1Ethernet0/4/1]port hybrid vlan 10 30 untagged Please wait...Done.[SW1Ethernet0/4/1]qu [SW1]int e0/4/2 [SW1Ethernet0/4/2]port linktype hybrid [SW1Ethernet0/4/2]port hybrid vlan 20 30 untagged Please wait...Done.[SW1Ethernet0/4/2]qu [SW1]int e0/4/3 [SW1Ethernet0/4/3]port linktype trunk [SW1Ethernet0/4/3]port trunk permit vlan 10 20 30 Please wait... sys System View: return to User View with Ctrl+Z.[SW2]vlan 10 [SW2vlan10]vlan 20 [SW2vlan20]vlan 30 [SW2vlan30]qu [SW2]int e0/4/3 [SW2Ethernet0/4/3]port linktype trunk [SW2Ethernet0/4/3]port trunk permit vlan 10 20 30 Please wait...Done.[SW2Ethernet0/4/3]qu [SW2]vlan 30 [SW2vlan30]port e0/4/4 [SW2vlan30]qu [SW2]int e0/4/4 [SW2Ethernet0/4/4]port linktype hybrid[SW2Ethernet0/4/4]port hybrid vlan 10 20 30 untagged Please wait...Done.[SW2Ethernet0/4/4]qu [SW2] RT1 sys System View: return to User View with Ctrl+Z.[RT1]int g0/0/0 [RT1GigabitEthernet0/0/0]ip ad 24 [RT1GigabitEthernet0/0/0]qu [RT1]int s0/1/0 [RT1Serial0/1/0]ip address 24 [RT1Serial0/1/0]int s0/1/1 [RT1Serial0/1/1]ip address 24 [RT1Serial0/1/1] %Dec 2 21:12:28:984 2015 RT1 IFNET/5/PROTOCOL_UPDOWN: Protocol PPP IPCP on the interface Serial0/1/0 is UP.[RT1Serial0/1/1] %Dec 2 21:15:33:390 2015 RT1 IFNET/5/PROTOCOL_UPDOWN: Protocol PPP IPCP on the interface Serial0/1/1 is UP.[RT1Serial0/1/1]displayip routingtable Routing Tables: Public Destinations : 10 Routes : 10 Destination/Mask Proto Pre Cost NextHop Interface [RT1Serial0/1/1]qu [RT1]ip routestatic 24 [RT1]displayip routingtable Routing Tables: Public Destinations : 11 Routes : 11 Destination/Mask Proto Pre Cost NextHop Interface [RT1]rip [RT1rip1]v 2 [RT1rip1]u s [RT1rip1]network [RT1rip1]network telnet Trying ...Press CTRL+K to abort Failed to connect to the remote host!telnet Trying ...Press CTRL+K to abort Password:RT2 sys System View: return to User View with Ctrl+Z.[RT2]int s0/1/0 [RT2Serial0/1/0]ip address 24 [RT2Serial0/1/0] %Dec 2 21:12:29:391 2015 RT2 IFNET/5/PROTOCOL_UPDOWN: Protocol PPP IPCP on the interface Serial0/1/0 is UP.[RT2Serial0/1/0]qu [RT2]int g0/0/0 [RT2GigabitEthernet0/0/0]ip ad 24 [RT2GigabitEthernet0/0/0]qu [RT2]ping PING : 56 data bytes, press CTRL_C to break Request time out Reply from : bytes=56 Sequence=2 ttl=64 time=5 ms Reply from : bytes=56 Sequence=3 ttl=64 time=4 ms Request time out Reply from : bytes=56 Sequence=5 ttl=64 time=4 ping statistics5 packet(s)transmitted 3 packet(s)received % packet loss roundtrip min/avg/max = 4/4/5 ms [RT2]ip routestatic 24 [RT2]displayip routingtable Routing Tables: Public Destinations : 8 Routes : 8 Destination/Mask Proto Pre Cost NextHop Interface [RT2]telnet server enable % Start Telnet server [RT2]userinterface vty 0 [RT2uivty0]authenticationmode password [RT2uivty0]set authentication password simple 123 [RT2uivty0]user privilege level 3 [RT2uivty0] Dec 2 21:32:35:782 2015 RT2 SHELL/4/LOGIN: Trap : login from VTY %Dec 2 21:32:35:782 2015 RT2 SHELL/5/SHELL_LOGIN: VTY logged in from sys System View: return to User View with Ctrl+Z.[RT3]int s0/1/1 [RT3Serial0/1/1]ip address 24 [RT3Serial0/1/1] %Dec 2 21:15:33:312 2015 RT3 IFNET/5/PROTOCOL_UPDOWN: Protocol PPP IPCP on the interface Serial0/1/1 is UP.[RT3Serial0/1/1]qu [RT3]int g0/0/0 [RT3GigabitEthernet0/0/0]ip address 24 [RT3GigabitEthernet0/0/0]qu [RT3]ping PING : 56 data bytes, press