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Journey to the CCIE LAB - Part 44 - BGP Link Bandwidth ().Guest VLANS + Guest Wifi - Different IP Range, Out to Filtered Internet ().What is IPv6 ? An introduction to IPV6 ().Like always if you an idea of the next topic let me hear it. ( Router-On-Stick-Example-RunConfig) If you have any questions post them below. I hope this information is helpful I have also attached a PDF of the running-config of both devices to give you an example of the configuration.

To create a sub-interface start typing the interface that will be physically connected to the switch at the end add a period and number.ĢCodes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGPģ D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter areaĤ N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2ĥ E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGPĦ i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter areaħ * - candidate default, U - per-user static route, o - ODRġ1 12C 192.168.1.0/24 is directly connected, FastEthernet0/0ġ3C 192.168.2.0/24 is directly connected, FastEthernet0/0.2ġ4C 192.168.3.0/24 is directly connected, FastEthernet0/0.3 You have to create sub-interfaces on the router to route between different VLANs these sub-interfaces do not correspond to the VLANs so you could put any number but for manageability usually people use the same sub-interface has the VLAN ID. VLAN 1 which is the native VLAN, VLAN 2 and VLAN 3 (which is called "Support"). If you look at the network topology below you can see where Cisco came up with the name "Router on Stick" each PC is on its own network and needs the router in order for traffic to pass between the networks. If you like to understand how create VLANs on a switch follow the post above. I have already configured the Cisco switch as posted in Creating VLANs but in summary I have three VLANs total VLAN 1 which is the native VLAN, VLAN 2 and VLAN 3 (which is called support. By having VLANs you are segmenting the network and the only way to get to the other side is having a router. A while ago I talked about putting different VLANs on a switch, remember a VLAN is virtual network that although physically it may look like on the same network that does not always mean the case.