> For the complete documentation index, see [llms.txt](https://anida-huang.gitbook.io/computer-network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://anida-huang.gitbook.io/computer-network/qi-mo/20201216-cisco-chan-bi-lu-you.md). # 20201223 cisco 單臂路由 ## 課堂資料 單臂路由器：是指與網路有單一物理或邏輯連接的路由器。 它通常用於在本地連接的主機之間轉發獨立邏輯路由域上的流量，或者方便路由表的管理、分發和中繼。 ## 課堂練習 ### 單臂路由 ![](/files/-MPCJ-CEVL3tjjHP6q4j) {% tabs %} {% tab title="VPC3" %} ``` ip 192.168.10.1/24 ``` > #### 設定 Gateway ``` ip 192.168.10.1 255.255.255.0 192.168.10.254 ``` ![](/files/-MPCQACuEPrKqSv0MG6d) ``` ping 192.168.10.254 ``` ``` ping 192.168.20.254 ``` ``` ping 192.168.20.1 ``` ![](/files/-MPCUyY4wkWS_ORre3OZ) {% endtab %} {% tab title="VPC4" %} ``` ip 192.168.20.1/24 ``` > #### 設定 Gateway ``` ip 192.168.20.1 255.255.255.0 192.168.20.254 ``` ![](/files/-MPCQRicvS8g_7ThtlDn) ``` ping 192.168.10.254 ``` ``` ping 192.168.20.254 ``` ``` ping 192.168.10.1 ``` ![](/files/-MPCVE_t2LVgEAnlQaU6) {% endtab %} {% tab title="SW" %} ``` vlan 10 ``` ``` vlan 20 ``` ``` do sh vlan brief ``` ![](/files/-MPCQt-caKQ3bPDYnX01) ``` int e0/1 ``` ``` switchport mode access ``` ``` switchport access vlan 10 ``` ``` int e0/2 ``` ``` switchport mode access ``` ``` switchport access vlan 20 ``` ``` do sh vlan brief ``` ![](/files/-MPCREh1_7pPgGDk25Qp) ``` int e0/0 ``` > #### 設定 trunk 的 encapsulation ``` switchport trunk encapsulation dot1q ``` ``` switchport mode trunk ``` ![](/files/-MPCSpP6V1Na1PGUyxuB) ``` do sh run ``` ![](/files/-MPCUiKIXkloJjtROw33) {% endtab %} {% tab title="R2" %} ``` int e0/0 ``` ``` no shut ``` ``` int e0/0.10 ``` ``` encapsulation dot1Q 10 ``` ``` ip add 192.168.10.254 255.255.255.0 ``` ``` no shut ``` ``` int e0/0.20 ``` ``` encapsulation dot1Q 20 ``` ``` ip add 192.168.20.254 255.255.255.0 ``` ``` no shut ``` ![](/files/-MPCUJhjz3XNYZ8lIKVs) ``` do sh run ``` ![](/files/-MPCU_Wm16SbAG8lvuBV) {% endtab %} {% endtabs %} ![](/files/-MPC_l46CT_GjrNYCtP_) {% tabs %} {% tab title="VPC7" %} ``` ip 192.168.10.1/24 ``` > #### 設定 Gateway ``` ip 192.168.10.1 255.255.255.0 192.168.10.254 ``` ![](/files/-MPC_zjc5Y7tQSpqMDYi) ``` ping 192.168.10.254 ``` ``` ping 192.168.20.254 ``` ``` ping 192.168.20.1 ``` ![](/files/-MPCeBhugtu06qFfV2se) {% endtab %} {% tab title="VPC8" %} ``` ip 192.168.20.1/24 ``` > #### 設定 Gateway ``` ip 192.168.20.1 255.255.255.0 192.168.20.254 ``` ![](/files/-MPCaBQCwhEXvV4N1oVc) ``` ping 192.168.10.254 ``` ``` ping 192.168.20.254 ``` ``` ping 192.168.10.1 ``` ![](/files/-MPCeVAd4AmnkUNH3JcW) {% endtab %} {% tab title="SW L3" %} ``` int vlan 10 ``` ``` ip add 192.168.10.254 255.255.255.0 ``` ``` no shut ``` ``` int vlan 20 ``` ``` ip add 192.168.20.254 255.255.255.0 ``` ``` no shut ``` ``` do sh ip int brief ``` ![](/files/-MPCcl7D7ViiKpe2QLjx) ``` int e0/0 ``` > #### 設定 trunk 的 encapsulation ``` switchport trunk encapsulation dot1q ``` ``` switchport mode trunk ``` ``` exit ``` ``` vtp mode server ``` ``` vtp domain ccna ``` ``` vlan 10 ``` ``` vlan 20 ``` ``` do sh vlan brief ``` ![](/files/-MPCd6bYhfh-X4kzmth3) ``` do sh run ``` ![](/files/-MPCdGiArnvqZwJh2Ida) {% endtab %} {% tab title="SW" %} ``` int e0/1 ``` ``` switchport mode access ``` ``` switchport access vlan 10 ``` ``` int e0/2 ``` ``` switchport mode access ``` ``` switchport access vlan 20 ``` ``` do sh vlan brief ``` ![](/files/-MPCdktS_HTq6wsUlUVq) {% endtab %} {% endtabs %} ### 實戰練習：VRF ![](/files/-MQHbdlf4yDhlmixRSUM) {% tabs %} {% tab title="R1" %} ``` int e0/0 ``` ``` ip addr 192.168.1.1 255.255.255.0 ``` ``` no shut ``` ``` router ospf 1 ``` ``` net 192.168.1.0 0.0.0.255 area 0 ``` ![](/files/-MQHcBwRUOKnF5akLvYY) ``` ping 192.168.2.1 ``` {% endtab %} {% tab title="R2" %} ``` int e0/0 ``` ``` ip addr 192.168.2.1 255.255.255.0 ``` ``` no shut ``` ``` router ospf 1 ``` ``` net 192.168.2.0 0.0.0.255 area 0 ``` ![](/files/-MQHctTn1ahBbiZ4cbpb) {% endtab %} {% tab title="R3" %} ``` int e0/0 ``` ``` ip addr 192.168.3.1 255.255.255.0 ``` ``` no shut ``` ``` router ospf 1 ``` ``` net 192.168.3.0 0.0.0.255 area 0 ``` ![](/files/-MQHdOr6dHy3RMoLge-V) {% endtab %} {% tab title="R4" %} ``` int e0/0 ``` ``` ip addr 192.168.4.1 255.255.255.0 ``` ``` no shut ``` ``` router ospf 1 ``` ``` net 192.168.4.0 0.0.0.255 area 0 ``` ![](/files/-MQHdnuvjlf40IqR9_u3) {% endtab %} {% tab title="R5" %} ``` ip vrf Upper ``` ``` ip vrf Lower ``` ``` int e0/0 ``` ``` ip vrf forwarding Upper ``` ``` ip addr 192.168.1.2 255.255.255.0 ``` ``` no shut ``` ``` int e0/1 ``` ``` ip vrf forwarding Lower ``` ``` ip addr 192.168.3.2 255.255.255.0 ``` ``` no shut ``` ``` int e0/2 ``` ``` no shut ``` ``` int e0/2.10 ``` ``` ip vrf for Upper ``` ``` encapsulation dot1Q 10 ``` ``` ip addr 56.1.1.1 255.255.255.0 ``` ``` int e0/2.20 ``` ``` ip vrf for Lower ``` ``` encapsulation dot1Q 20 ``` ``` ip addr 56.3.3.3 255.255.255.0 ``` ``` do sh ip vrf ``` ``` do sh ip route vrf Upper ``` ![](/files/-MQHeer0o_quRRLUEgA4) ``` do sh ip route vrf Lower ``` ``` router ospf 1 vrf Upper ``` ``` net 192.168.1.0 0.0.0.255 area 0 ``` ``` net 56.1.1.0 0.0.0.255 area 0 ``` ``` router ospf 2 vrf Lower ``` ``` net 192.168.3.0 0.0.0.255 area 0 ``` ``` net 56.3.3.0 0.0.0.255 area 0 ``` ![](/files/-MQHerq7L2MxerBAwUrU) {% endtab %} {% tab title="R6" %} ``` ip vrf Upper ``` ``` ip vrf Lower ``` ``` int e0/0 ``` ``` ip vrf forwarding Upper ``` ``` ip addr 192.168.2.2 255.255.255.0 ``` ``` no shut ``` ``` int e0/1 ``` ``` ip vrf forwarding Lower ``` ``` ip addr 192.168.4.2 255.255.255.0 ``` ``` no shut ``` ``` int e0/2 ``` ``` no shut ``` ``` int e0/2.10 ``` ``` ip vrf for Upper ``` ``` encapsulation dot1Q 10 ``` ``` ip addr 56.1.1.2 255.255.255.0 ``` ``` int e0/2.20 ``` ``` ip vrf for Lower ``` ``` encapsulation dot1Q 20 ``` ``` ip addr 56.3.3.4 255.255.255.0 ``` ``` do sh ip vrf ``` ``` do sh ip route vrf Upper ``` ![](/files/-MQHfktwnUAWCqUIscYm) ``` do sh ip route vrf Lower ``` ``` router ospf 1 vrf Upper ``` ``` net 192.168.2.0 0.0.0.255 area 0 ``` ``` net 56.1.1.0 0.0.0.255 area 0 ``` ``` router ospf 2 vrf Lower ``` ``` net 192.168.4.0 0.0.0.255 area 0 ``` ``` net 56.3.3.0 0.0.0.255 area 0 ``` ![](/files/-MQHftZnGi77Yk_U069h) {% endtab %} {% endtabs %}