單臂路由:
通過(guò)路由子接口,交換機(jī)的某個(gè)端口(f0/10)以trunk的方式與路由器的某個(gè)端口(f0/0)相連,同時(shí)路由器的鏈接端口配置子接口,配置子接口承載的vlan(vlan 1,vlan 2).此時(shí)鏈接在交換機(jī)不同vlan (vlan 1, vlan 2)接口上的 裝備便可相互通訊,
3層交換:
3層交換機(jī)路由屬于直通路由. 在交換機(jī)的 ip route table中的vlan可以直接通訊,只需要開(kāi)啟路由器的路由功能.
Switch>show ip rout
Switch>show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level⑴, L2 - IS-IS level⑵, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
C 192.168.1.0/24 is directly connected, Vlan100
C 192.168.2.0/24 is directly connected, Vlan101
Switch>
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