VLAN
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VLAN基础配置及Access接口
实验拓扑
PC>ping 10.1.1.2Ping 10.1.1.2: 32 data bytes, Press Ctrl_C to breakFrom 10.1.1.2: bytes=32 seq=1 ttl=128 time=46 msFrom 10.1.1.2: bytes=32 seq=2 ttl=128 time=47 msFrom 10.1.1.2: bytes=32 seq=3 ttl=128 time=47 msFrom 10.1.1.2: bytes=32 seq=4 ttl=128 time=47 msFrom 10.1.1.2: bytes=32 seq=5 ttl=128 time=63 ms--- 10.1.1.2 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 46/50/63 ms其他主机间互相通信测试和上述相同,略过.
[Huawei]vlan 10[Huawei-vlan10]vlan 20[Huawei]vlan batch 30 40[S1]display vlanThe total number of vlans is : 3--------------------------------------------------------------------------------U: Up; D: Down; TG: Tagged; UT: Untagged;MP: Vlan-mapping; ST: Vlan-stacking;#: ProtocolTransparent-vlan; *: Management-vlan;--------------------------------------------------------------------------------VID Type Ports --------------------------------------------------------------------------------1 common UT:Eth0/0/1(U) Eth0/0/2(U) Eth0/0/3(U) Eth0/0/4(D) Eth0/0/5(U) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D) GE0/0/1(D) GE0/0/2(D) 10 common 20 common VID Status Property MAC-LRN Statistics Description --------------------------------------------------------------------------------1 enable default enable disable VLAN 0001 10 enable default enable disable VLAN 0010 20 enable default enable disable VLAN 0020 [S2]display vlanThe total number of vlans is : 3--------------------------------------------------------------------------------U: Up; D: Down; TG: Tagged; UT: Untagged;MP: Vlan-mapping; ST: Vlan-stacking;#: ProtocolTransparent-vlan; *: Management-vlan;--------------------------------------------------------------------------------VID Type Ports --------------------------------------------------------------------------------1 common UT:Eth0/0/1(U) Eth0/0/2(U) Eth0/0/3(D) Eth0/0/4(D) Eth0/0/5(U) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D) GE0/0/1(D) GE0/0/2(D) 30 common 40 common VID Status Property MAC-LRN Statistics Description --------------------------------------------------------------------------------1 enable default enable disable VLAN 0001 30 enable default enable disable VLAN 0030 40 enable default enable disable VLAN 0040 
[S1]int g0/0/1[S1-GigabitEthernet0/0/1]port link-type access[S1-GigabitEthernet0/0/1]port default vlan 10[S1]int e0/0/2[S1-Ethernet0/0/2]port link-type access [S1-Ethernet0/0/2]port default vlan 10[S1-Ethernet0/0/2]int e0/0/3[S1-Ethernet0/0/3]port link-type access [S1-Ethernet0/0/3]port default vlan 20[S2]int e0/0/1[S2-Ethernet0/0/1]port link-type access [S2-Ethernet0/0/1]port default vlan 30[S2-Ethernet0/0/1]int e0/0/2[S2-Ethernet0/0/2]port link-type access [S2-Ethernet0/0/2]port default vlan 40[S1]display vlanThe total number of vlans is : 3--------------------------------------------------------------------------------U: Up; D: Down; TG: Tagged; UT: Untagged;MP: Vlan-mapping; ST: Vlan-stacking;#: ProtocolTransparent-vlan; *: Management-vlan;--------------------------------------------------------------------------------VID Type Ports --------------------------------------------------------------------------------1 common UT:Eth0/0/1(U) Eth0/0/4(D) Eth0/0/5(U) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D) GE0/0/2(D) 10 common UT:Eth0/0/2(U) GE0/0/1(D) 20 common UT:Eth0/0/3(U) VID Status Property MAC-LRN Statistics Description --------------------------------------------------------------------------------1 enable default enable disable VLAN 0001 10 enable default enable disable VLAN 0010 20 enable default enable disable VLAN 0020 [S2]display vlanThe total number of vlans is : 3--------------------------------------------------------------------------------U: Up; D: Down; TG: Tagged; UT: Untagged;MP: Vlan-mapping; ST: Vlan-stacking;#: ProtocolTransparent-vlan; *: Management-vlan;--------------------------------------------------------------------------------VID Type Ports --------------------------------------------------------------------------------1 common UT:Eth0/0/3(D) Eth0/0/4(D) Eth0/0/5(U) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D) GE0/0/1(D) GE0/0/2(D) 30 common UT:Eth0/0/1(U) 40 common UT:Eth0/0/2(U) VID Status Property MAC-LRN Statistics Description --------------------------------------------------------------------------------1 enable default enable disable VLAN 0001 30 enable default enable disable VLAN 0030 40 enable default enable disable VLAN 0040 
PC>ping 10.1.1.2Ping 10.1.1.2: 32 data bytes, Press Ctrl_C to breakFrom 10.1.1.2: bytes=32 seq=1 ttl=128 time=32 msFrom 10.1.1.2: bytes=32 seq=2 ttl=128 time=47 msFrom 10.1.1.2: bytes=32 seq=3 ttl=128 time=31 msFrom 10.1.1.2: bytes=32 seq=4 ttl=128 time=47 msFrom 10.1.1.2: bytes=32 seq=5 ttl=128 time=31 ms--- 10.1.1.2 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 31/37/47 msPC>ping 10.1.1.3Ping 10.1.1.3: 32 data bytes, Press Ctrl_C to breakFrom 10.1.1.1: Destination host unreachableFrom 10.1.1.1: Destination host unreachableFrom 10.1.1.1: Destination host unreachableFrom 10.1.1.1: Destination host unreachableFrom 10.1.1.1: Destination host unreachable--- 10.1.1.3 ping statistics --- 5 packet(s) transmitted 0 packet(s) received 100.00% packet loss配置Trunk端口
原理概述
实验拓扑
PC>ping 10.1.1.3Ping 10.1.1.3: 32 data bytes, Press Ctrl_C to breakFrom 10.1.1.3: bytes=32 seq=1 ttl=128 time=63 msFrom 10.1.1.3: bytes=32 seq=2 ttl=128 time=78 msFrom 10.1.1.3: bytes=32 seq=3 ttl=128 time=78 msFrom 10.1.1.3: bytes=32 seq=4 ttl=128 time=78 msFrom 10.1.1.3: bytes=32 seq=5 ttl=128 time=47 ms--- 10.1.1.3 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 47/68/78 ms
[S1]vlan 10[S1-vlan10]description R$D[S1-vlan10]vlan 20[S1-vlan20]description Market[S2]vlan 10[S2-vlan10]description R$D[S2-vlan10]vlan 20[S2-vlan20]description Market[S3]vlan 10[S3-vlan10]description R$D[S3-vlan10]vlan 20[S3-vlan20]description Market<S3>display vlanThe total number of vlans is : 3--------------------------------------------------------------------------------U: Up; D: Down; TG: Tagged; UT: Untagged;MP: Vlan-mapping; ST: Vlan-stacking;#: ProtocolTransparent-vlan; *: Management-vlan;--------------------------------------------------------------------------------VID Type Ports --------------------------------------------------------------------------------1 common UT:GE0/0/1(U) GE0/0/2(U) GE0/0/3(D) GE0/0/4(D) GE0/0/5(D) GE0/0/6(D) GE0/0/7(D) GE0/0/8(D) GE0/0/9(D) GE0/0/10(D) GE0/0/11(D) GE0/0/12(D) GE0/0/13(D) GE0/0/14(D) GE0/0/15(D) GE0/0/16(D) GE0/0/17(D) GE0/0/18(D) GE0/0/19(D) GE0/0/20(D) GE0/0/21(D) GE0/0/22(D) GE0/0/23(D) GE0/0/24(D) 10 common 20 common VID Status Property MAC-LRN Statistics Description --------------------------------------------------------------------------------1 enable default enable disable VLAN 0001 10 enable default enable disable R$D 20 enable default enable disable Market <S3>display vlan summary static vlan:Total 3 static vlan. 1 10 20 dynamic vlan:Total 0 dynamic vlan.reserved vlan:Total 0 reserved vlan.配置Access端口
[S1]int e0/0/2[S1-Ethernet0/0/2]port link-type access [S1-Ethernet0/0/2]port default vlan 10[S1-Ethernet0/0/2]int e0/0/3[S1-Ethernet0/0/3]port link-type access [S1-Ethernet0/0/3]port default vlan 20[S2]int e0/0/3[S2-Ethernet0/0/3]port link-type access [S2-Ethernet0/0/3]port default vlan 10[S2-Ethernet0/0/3]int e0/0/4[S2-Ethernet0/0/4]port link-type access [S2-Ethernet0/0/4]port default vlan 20<S1>display port vlan Port Link Type PVID Trunk VLAN List-------------------------------------------------------------------------------Ethernet0/0/1 hybrid 1 - Ethernet0/0/2 access 10 - Ethernet0/0/3 access 20 - [S2]display port vlan Port Link Type PVID Trunk VLAN List-------------------------------------------------------------------------------Ethernet0/0/1 hybrid 1 - Ethernet0/0/2 hybrid 1 - Ethernet0/0/3 access 10 - Ethernet0/0/4 access 20 - 
PC>ping 10.1.1.3Ping 10.1.1.3: 32 data bytes, Press Ctrl_C to breakFrom 10.1.1.1: Destination host unreachableFrom 10.1.1.1: Destination host unreachableFrom 10.1.1.1: Destination host unreachableFrom 10.1.1.1: Destination host unreachableFrom 10.1.1.1: Destination host unreachable--- 10.1.1.3 ping statistics --- 5 packet(s) transmitted 0 packet(s) received 100.00% packet loss
PC>ping 10.1.1.4Ping 10.1.1.4: 32 data bytes, Press Ctrl_C to breakFrom 10.1.1.2: Destination host unreachableFrom 10.1.1.2: Destination host unreachableFrom 10.1.1.2: Destination host unreachableFrom 10.1.1.2: Destination host unreachableFrom 10.1.1.2: Destination host unreachable--- 10.1.1.4 ping statistics --- 5 packet(s) transmitted 0 packet(s) received 100.00% packet loss
[S1]int e0/0/1[S1-Ethernet0/0/1]port link-type trunk [S1-Ethernet0/0/1]port trunk allow-pass vlan 10 20
[S2]int e0/0/2 [S2-Ethernet0/0/2]port link-type trunk [S2-Ethernet0/0/2]port trunk allow-pass vlan 10 20
[S3]int g0/0/1 [S3-GigabitEthernet0/0/1]port link-type trunk [S3-GigabitEthernet0/0/1]port trunk allow-pass vlan all [S3-GigabitEthernet0/0/1]int g0/0/2[S3-GigabitEthernet0/0/2]port link-type trunk [S3-port-group-trunk]port trunk allow-pass vlan all [S3-port-group-trunk]display port vlan Port Link Type PVID Trunk VLAN List-------------------------------------------------------------------------------GigabitEthernet0/0/1 trunk 1 1-4094GigabitEthernet0/0/2 trunk 1 1-4096
PC>ping 10.1.1.3Ping 10.1.1.3: 32 data bytes, Press Ctrl_C to breakFrom 10.1.1.3: bytes=32 seq=1 ttl=128 time=62 msFrom 10.1.1.3: bytes=32 seq=2 ttl=128 time=109 msFrom 10.1.1.3: bytes=32 seq=3 ttl=128 time=78 msFrom 10.1.1.3: bytes=32 seq=4 ttl=128 time=125 msFrom 10.1.1.3: bytes=32 seq=5 ttl=128 time=63 ms--- 10.1.1.3 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 62/87/125 msPC>ping 10.1.1.4Ping 10.1.1.4: 32 data bytes, Press Ctrl_C to breakFrom 10.1.1.4: bytes=32 seq=1 ttl=128 time=78 msFrom 10.1.1.4: bytes=32 seq=2 ttl=128 time=125 msFrom 10.1.1.4: bytes=32 seq=3 ttl=128 time=78 msFrom 10.1.1.4: bytes=32 seq=4 ttl=128 time=78 msFrom 10.1.1.4: bytes=32 seq=5 ttl=128 time=94 ms--- 10.1.1.4 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 78/90/125 ms理解Hybird接口的应用
实验拓扑
实验步骤
PC>ping 192.168.1.2Ping 192.168.1.2: 32 data bytes, Press Ctrl_C to breakFrom 192.168.1.2: bytes=32 seq=1 ttl=128 time=47 msFrom 192.168.1.2: bytes=32 seq=2 ttl=128 time=32 msFrom 192.168.1.2: bytes=32 seq=3 ttl=128 time=31 msFrom 192.168.1.2: bytes=32 seq=4 ttl=128 time=46 msFrom 192.168.1.2: bytes=32 seq=5 ttl=128 time=31 ms--- 192.168.1.2 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 31/37/47 ms
[S1]display port vlan Port Link Type PVID Trunk VLAN List-------------------------------------------------------------------------------Ethernet0/0/1 hybrid 1 - Ethernet0/0/2 hybrid 1 - Ethernet0/0/3 hybrid 1 - Ethernet0/0/4 hybrid 1 - Ethernet0/0/5 hybrid 1 - Ethernet0/0/6 hybrid 1 - Ethernet0/0/7 hybrid 1 - Ethernet0/0/8 hybrid 1 - Ethernet0/0/9 hybrid 1 - 
[S1]display vlanThe total number of vlans is : 1--------------------------------------------------------------------------------U: Up; D: Down; TG: Tagged; UT: Untagged;MP: Vlan-mapping; ST: Vlan-stacking;#: ProtocolTransparent-vlan; *: Management-vlan;--------------------------------------------------------------------------------VID Type Ports --------------------------------------------------------------------------------1 common UT:Eth0/0/1(U) Eth0/0/2(U) Eth0/0/3(U) Eth0/0/4(U) Eth0/0/5(D) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D) GE0/0/1(D) GE0/0/2(D) VID Status Property MAC-LRN Statistics Description --------------------------------------------------------------------------------1 enable default enable disable VLAN 0001 
[S1]int e0/0/2[S1-Ethernet0/0/2]port link-type access [S1-Ethernet0/0/2]port default vlan 20[S1-Ethernet0/0/2]int e0/0/3[S1-Ethernet0/0/3]port link-type access[S1-Ethernet0/0/3]port default vlan 10[S1]int e0/0/1[S1-Ethernet0/0/1]port link-type trunk [S1-Ethernet0/0/1]port trunk allow-pass vlan all[S2]int e0/0/2[S2-Ethernet0/0/2]port link-type access[S2-Ethernet0/0/2]port default vlan 20[S2]int e0/0/3[S2-Ethernet0/0/3]port link-type access[S2-Ethernet0/0/3]port default vlan 10[S2-Ethernet0/0/2]int e0/0/1[S2-Ethernet0/0/1]port link-type trunk [S2-Ethernet0/0/1]port trunk allow-pass vlan all<S1>display vlanThe total number of vlans is : 3--------------------------------------------------------------------------------U: Up; D: Down; TG: Tagged; UT: Untagged;MP: Vlan-mapping; ST: Vlan-stacking;#: ProtocolTransparent-vlan; *: Management-vlan;--------------------------------------------------------------------------------VID Type Ports --------------------------------------------------------------------------------1 common UT:Eth0/0/1(U) Eth0/0/4(U) Eth0/0/5(D) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D) GE0/0/1(D) GE0/0/2(D) 10 common UT:Eth0/0/3(U) TG:Eth0/0/1(U) 20 common UT:Eth0/0/2(U) TG:Eth0/0/1(U) VID Status Property MAC-LRN Statistics Description --------------------------------------------------------------------------------1 enable default enable disable VLAN 0001 10 enable default enable disable VLAN 0010 20 enable default enable disable VLAN 0020 <S2>display vlanThe total number of vlans is : 3--------------------------------------------------------------------------------U: Up; D: Down; TG: Tagged; UT: Untagged;MP: Vlan-mapping; ST: Vlan-stacking;#: ProtocolTransparent-vlan; *: Management-vlan;--------------------------------------------------------------------------------VID Type Ports --------------------------------------------------------------------------------1 common UT:Eth0/0/1(U) Eth0/0/4(D) Eth0/0/5(D) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D) GE0/0/1(D) GE0/0/2(D) 10 common UT:Eth0/0/3(U) TG:Eth0/0/1(U) 20 common UT:Eth0/0/2(U) TG:Eth0/0/1(U) VID Status Property MAC-LRN Statistics Description --------------------------------------------------------------------------------1 enable default enable disable VLAN 0001 10 enable default enable disable VLAN 0010 20 enable default enable disable VLAN 0020 PC>ping 192.168.1.3Ping 192.168.1.3: 32 data bytes, Press Ctrl_C to breakFrom 192.168.1.3: bytes=32 seq=1 ttl=128 time=63 msFrom 192.168.1.3: bytes=32 seq=2 ttl=128 time=62 msFrom 192.168.1.3: bytes=32 seq=3 ttl=128 time=78 msFrom 192.168.1.3: bytes=32 seq=4 ttl=128 time=63 msFrom 192.168.1.3: bytes=32 seq=5 ttl=128 time=47 ms--- 192.168.1.3 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 47/62/78 msPC>ping 192.168.1.4Ping 192.168.1.4: 32 data bytes, Press Ctrl_C to breakFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachable--- 192.168.1.4 ping statistics --- 5 packet(s) transmitted 0 packet(s) received 100.00% packet loss
<S1>display vlanThe total number of vlans is : 3--------------------------------------------------------------------------------U: Up; D: Down; TG: Tagged; UT: Untagged;MP: Vlan-mapping; ST: Vlan-stacking;#: ProtocolTransparent-vlan; *: Management-vlan;--------------------------------------------------------------------------------VID Type Ports --------------------------------------------------------------------------------1 common UT:Eth0/0/1(U) Eth0/0/2(U) Eth0/0/3(U) Eth0/0/4(U) Eth0/0/5(D) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D) GE0/0/1(D) GE0/0/2(D) 10 common UT:Eth0/0/3(U) TG:Eth0/0/1(U) 20 common UT:Eth0/0/2(U) TG:Eth0/0/1(U) VID Status Property MAC-LRN Statistics Description --------------------------------------------------------------------------------1 enable default enable disable VLAN 0001 10 enable default enable disable VLAN 0010 20 enable default enable disable VLAN 0020 <S2>display vlanThe total number of vlans is : 3--------------------------------------------------------------------------------U: Up; D: Down; TG: Tagged; UT: Untagged;MP: Vlan-mapping; ST: Vlan-stacking;#: ProtocolTransparent-vlan; *: Management-vlan;--------------------------------------------------------------------------------VID Type Ports --------------------------------------------------------------------------------1 common UT:Eth0/0/1(U) Eth0/0/2(U) Eth0/0/3(U) Eth0/0/4(D) Eth0/0/5(D) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D) GE0/0/1(D) GE0/0/2(D) 10 common UT:Eth0/0/3(U) TG:Eth0/0/1(U) 20 common UT:Eth0/0/2(U) TG:Eth0/0/1(U) VID Status Property MAC-LRN Statistics Description --------------------------------------------------------------------------------1 enable default enable disable VLAN 0001 10 enable default enable disable VLAN 0010 20 enable default enable disable VLAN 0020 
[S1]vlan 30[S1-vlan30]int e0/0/4[S1-Ethernet0/0/4]port hybrid pvid vlan 30
[S1-Ethernet0/0/4]port hybrid untagged vlan 10 20 30
[S1-Ethernet0/0/4]int e0/0/2[S1-Ethernet0/0/2]port hybrid untagged vlan 20 30
[S1-Ethernet0/0/2]int e0/0/3[S1-Ethernet0/0/3]port hybrid untagged vlan 10 30
[S1]int e0/0/1[S1-Ethernet0/0/1]port hybrid tagged vlan 10 20 30[S2]int e0/0/1[S2-Ethernet0/0/1]port hybrid tagged vlan 10 20 30
[S2]int e0/0/2[S2-Ethernet0/0/2]port hybrid untagged vlan 20 30[S2-Ethernet0/0/2]int e0/0/3[S2-Ethernet0/0/3]port hybrid untagged vlan 10 30PC>ping 192.168.1.3Ping 192.168.1.3: 32 data bytes, Press Ctrl_C to breakFrom 192.168.1.3: bytes=32 seq=1 ttl=128 time=62 msFrom 192.168.1.3: bytes=32 seq=2 ttl=128 time=63 msFrom 192.168.1.3: bytes=32 seq=3 ttl=128 time=31 msFrom 192.168.1.3: bytes=32 seq=4 ttl=128 time=62 msFrom 192.168.1.3: bytes=32 seq=5 ttl=128 time=62 ms--- 192.168.1.3 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 31/56/63 msPC>ping 192.168.1.2Ping 192.168.1.2: 32 data bytes, Press Ctrl_C to breakFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachable--- 192.168.1.2 ping statistics --- 5 packet(s) transmitted 0 packet(s) received 100.00% packet lossPC>ping 192.168.1.4Ping 192.168.1.4: 32 data bytes, Press Ctrl_C to breakFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachable--- 192.168.1.4 ping statistics --- 5 packet(s) transmitted 0 packet(s) received 100.00% packet lossPC>ping 192.168.1.100Ping 192.168.1.100: 32 data bytes, Press Ctrl_C to breakFrom 192.168.1.100: bytes=32 seq=1 ttl=128 time=46 msFrom 192.168.1.100: bytes=32 seq=2 ttl=128 time=31 msFrom 192.168.1.100: bytes=32 seq=3 ttl=128 time=16 msFrom 192.168.1.100: bytes=32 seq=4 ttl=128 time=31 msFrom 192.168.1.100: bytes=32 seq=5 ttl=128 time=31 ms--- 192.168.1.100 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 16/31/46 ms
利用单臂路由实现VLAN间路由
实验拓扑
[S2]vlan 10[S2-vlan10]description HR[S2-vlan10]vlan 20[S2-vlan20]description Market[S2-vlan20]int e0/0/1[S2-Ethernet0/0/1]port link-type access[S2-Ethernet0/0/1]port default vlan 10[S2-Ethernet0/0/1]int e0/0/2[S2-Ethernet0/0/2]port link-type access[S2-Ethernet0/0/2]port default vlan 20
[S3]vlan 30[S3-vlan30]description Manager[S3-vlan30]int e0/0/1[S3-Ethernet0/0/1]port link-type access[S3-Ethernet0/0/1]port default vlan 30
[S2]int g0/0/2[S2-GigabitEthernet0/0/2]port link-type trunk[S2-GigabitEthernet0/0/2]port trunk allow-pass vlan all[S3]int g0/0/2[S3-GigabitEthernet0/0/2]port link-type trunk[S3-GigabitEthernet0/0/2]port trunk allow-pass vlan all 
PC>ping 192.168.2.1Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to breakFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachable--- 192.168.1.254 ping statistics --- 5 packet(s) transmitted 0 packet(s) received 100.00% packet lossPC>ping 192.168.3.1Ping 192.168.3.1: 32 data bytes, Press Ctrl_C to breakFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachableFrom 192.168.1.1: Destination host unreachable--- 192.168.1.254 ping statistics --- 5 packet(s) transmitted 0 packet(s) received 100.00% packet loss可以看到，通信仍然无法建立。 
配置完成后，在路由器R1上查看接口状态
[R1-GigabitEthernet0/0/1.1]display ip interface brief*down: administratively down^down: standby(l): loopback(s): spoofingThe number of interface that is UP in Physical is 5The number of interface that is DOWN in Physical is 3The number of interface that is UP in Protocol is 4The number of interface that is DOWN in Protocol is 4Interface IP Address/Mask Physical Protocol GigabitEthernet0/0/0 unassigned down down GigabitEthernet0/0/0.1 unassigned down down GigabitEthernet0/0/1 unassigned up down GigabitEthernet0/0/1.1 192.168.1.254/24 up up GigabitEthernet0/0/1.2 192.168.2.254/24 up up GigabitEthernet0/0/1.3 192.168.3.254/24 up up GigabitEthernet0/0/2 unassigned down down NULL0 unassigned up up(s) 可以看到，3个子接口的物理状态和协议都正常
查看路由器R1的路由表。
[R1]display ip routing-tableRoute Flags: R - relay, D - download to fib------------------------------------------------------------------------------Routing Tables: Public Destinations : 13 Routes : 13 Destination/Mask Proto Pre Cost Flags NextHop Interface 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0 192.168.1.0/24 Direct 0 0 D 192.168.1.254 GigabitEthernet0/0/1.1 192.168.1.254/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/1.1 192.168.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/1.1 192.168.2.0/24 Direct 0 0 D 192.168.2.254 GigabitEthernet0/0/1.2 192.168.2.254/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/1.2 192.168.2.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/1.2 192.168.3.0/24 Direct 0 0 D 192.168.3.254 GigabitEthernet0/0/1.3 192.168.3.254/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/1.3 192.168.3.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0/0/1.3255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0可以观察到，路由表中已经有了192.168.1.0/24,192.168.2.0/24,192.168.3.0/24的路由条目，并且都是路由器R1的直连路由，类似于路由器上的直连物理接口。
在PC-1分别测试与网关地址192.168.1.254和PC-2间的连通性。
PC>ping 192.168.1.254Ping 192.168.1.254: 32 data bytes, Press Ctrl_C to breakFrom 192.168.1.254: bytes=32 seq=1 ttl=255 time=78 msFrom 192.168.1.254: bytes=32 seq=2 ttl=255 time=47 msFrom 192.168.1.254: bytes=32 seq=3 ttl=255 time=63 msFrom 192.168.1.254: bytes=32 seq=4 ttl=255 time=47 msFrom 192.168.1.254: bytes=32 seq=5 ttl=255 time=47 ms--- 192.168.1.254 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 47/56/78 msPC>ping 192.168.2.1Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to breakFrom 192.168.2.1: bytes=32 seq=1 ttl=127 time=109 msFrom 192.168.2.1: bytes=32 seq=2 ttl=127 time=109 msFrom 192.168.2.1: bytes=32 seq=3 ttl=127 time=125 msFrom 192.168.2.1: bytes=32 seq=4 ttl=127 time=125 msFrom 192.168.2.1: bytes=32 seq=5 ttl=127 time=109 ms--- 192.168.2.1 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 109/115/125 ms可以观察到，通信正常。在PC-2上TracertPC-2
PC>tracert 192.168.2.1traceroute to 192.168.2.1, 8 hops max(ICMP), press Ctrl+C to stop 1 192.168.1.254 63 ms 62 ms 62 ms 2 *192.168.2.1 125 ms 125 ms
利用三层交换机实现VLAN间路由
实验拓扑
2.配置三层交换机实现VLAN间通信
[S1]interface Vlanif 10[S1-Vlanif10]ip address 192.168.1.254 24[S1-Vlanif10]interface vlanif 20[S1-Vlanif20]ip address 192.168.2.254 24[S1-Vlanif20]display ip interface brief *down: administratively down^down: standby(l): loopback(s): spoofingThe number of interface that is UP in Physical is 3The number of interface that is DOWN in Physical is 2The number of interface that is UP in Protocol is 3The number of interface that is DOWN in Protocol is 2Interface IP Address/Mask Physical Protocol MEth0/0/1 unassigned down down NULL0 unassigned up up(s) Vlanif1 unassigned down down Vlanif10 192.168.1.254/24 up up Vlanif20 192.168.2.254/24 up up PC>ping 192.168.2.1Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to breakFrom 192.168.2.1: bytes=32 seq=1 ttl=127 time=62 msFrom 192.168.2.1: bytes=32 seq=2 ttl=127 time=31 msFrom 192.168.2.1: bytes=32 seq=3 ttl=127 time=62 msFrom 192.168.2.1: bytes=32 seq=4 ttl=127 time=32 msFrom 192.168.2.1: bytes=32 seq=5 ttl=127 time=31 ms--- 192.168.2.1 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 31/43/62 msPC>arp -aInternet Address Physical Address Type192.168.1.254 4C-1F-CC-2D-64-D7 dynamic
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