11/5/2022 0 Comments What is router on a stick![]() In below configuration example the encapulation is set to IEEE 802.1q for Inter-VLAN routing for VLAN 100. This allows scalability and flexibility for our network without this representing unnecessary costs. A router interface can have one or more sub-interfaces. ![]() First we will connect a Sophos UTM interface (in our example eth3) with our switch environment (switch config. Today I will show you to replace the Cisco Router with a Sophos UTM to route between different VLANs. #What is router on a stick fullIt stands out mainly for allowing to take full advantage of very few ports of our network devices. When router-on-a-stick inter-VLAN routing is in use, the router returns the MAC address of the physical interface in response to ARP requests. In May I posted a tutorial for running a router on a stick with Cisco Router, Switch and HP Switch. Now create and configure a sub interface as shown below. Router-on-a-Stick is one of the most important concepts when it comes to networks. 14 years ago In reply to Look here A dialer is only needed if PPPoE is being used because authentication is required.1>enableĮnter configuration commands, one per line. Router on a stick via DSL by geonetworks To bring the physical interface from Administrativly down state to up, first go to the physical interface and issue "no shutdown" command as shown below. To create a subinterface and configure it with an IP address, use the following commands. If you take the help from Cisco IOS using question mark, we can see the number range which be can used to create subinterfaces. It cannot have an IP address assigned to it. We use Subinterfaces for inter VLAN traffic routing by using a Router-on-a-Stick configuration, NBMA (Non Broadcast Multiple Access) WAN solutions like frame-relay or ATM etc.Ī Subinterface can be configured just like a physical interface. What is a characteristic of a routed port on a Layer 3 switch It supports trunking. The Router on a Stick configuration is useful in situations where there is no Layer3 switch available and the only networking equipment you have are a router and a Layer2 switch. If we have one Router with one physical interface, but needed to have the router connected to two IP networks to route traffic between two routers, we can create two sub interfaces within the physical interface, assign each sub interface an IP address within each subnet and then route the data between two subnets. Subinterfaces are used for a variety of purposes. A sub-interface in a Cisco Router uses the parent physical interface for sending and receiving data. A subinterface is a virtual interface created by dividing one physical interface into multiple logical interfaces. ![]()
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