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The major types of Layer 3 interfaces are: Switch Virtual Interface (SVI) – Logical interface on a switch associated with a virtual local area network (VLAN). In this setup, the switch is configured with multiple VLANs and the router performs all routing between the different networks/VLANs.Ī Layer 3 interface is one that supports forwarding IP packets toward a final destination based on the IP address. Router-on-a-stick is a term frequently used to describe a setup up that consists of a router and switch connected using one Ethernet link configured as an 802.1q trunk link. Vlan 1 is the deafult vlan which is used to send control traffic like VTP,STP,DTP,CDP over the links.It has nothing to do with the native vlan.In earlier IOS versions removing vlan 1 over the trunk wasnot allowed as the control traffic was only bound to vlan1. It allows you to mirror your devices display on a TV.
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In default setting, an SVI is created for the default VLAN (VLAN1) to permit remote switch administration.Ĭom. An SVI is normally found on switches (Layer 3 and Layer 2). The solution is to use switched virtual interface – SVI. What is the default SVI on a Cisco switch? Use the show vlan command in order to verify that the VLANs exist in the VLAN database. Make note of the VLANs that you want to route between. Enable routing on the switch with the ip routing command. How do I configure SVI?Ĭomplete these steps in order to configure a switch to perform interVLAN routing. SVI for layer 3 switch provides both management and routing services while SVI on layer 2 switch provides only management services like creating vlans or telnet/SSH services. Switch Virtual Interface ( SVI) – A single SVI can be created for a Vlan.
#What is router on a stick mac#
In this case, if the SVI receives a destination MAC address of a router, it will route the packet. This is used within a Cisco ACI fabric, for example. The default gateway in this case will be the IP of the SVI. The SVI is a virtual layer 3 interface on a switch that can route to other broadcast domains (or VLANs). 3 What is the default SVI on a Cisco switch?.