CCNA2 v7 Module 4 - Inter-VLAN Routing
An administrator was troubleshooting a router-on-a-stick topology and concluded that the problem was related to the configuration of VLANs on the router subinterfaces. Which two commands can the administrator use in the router to identify the problem? (Two Answers)
-Show ip interfaces -Show running-config
What is required to perform router-on-a-stick inter-VLAN routing?
A router that is configured with multiple subinterfaces.
A small college uses VLAN 10 for the classroom network and VLAN 20 for the office network. What is needed to enable communication between these two VLANs while using legacy inter-VLAN routing?
A router with at least two LAN interfaces should be used.
Which sentence correctly describes the SVI inter-VLAN routing method?
An SVI is needed for each VLAN.
What is a disadvantage of using router-on-a-stick inter-VLAN routing?
Does not scale well beyond 50 VLANs.
A PC is to access a web server on another network. Which inter-VLAN method will provide the highest bandwidth at Layer 3 and also provide a default gateway for the PC?
Multilayer switch with routing enabled.
What is a disadvantage of using multilayer switches for inter-VLAN routing?
Multilayer switches are more expensive than router-on-a-stick implementations.
Which type of inter-VLAN communication design requires the configuration of multiple subinterfaces?
Router on a stick
Which scalable method must be implemented in order to provide inter-VLAN routing on a switched network with more than 1000 VLANs?
Routing traffic internally to a Layer 3 switch device.
What is the meaning of the number 10 in the encapsulation dot1Q 10 native router subinterface command?
The VLAN ID
What operational mode should be used on a switch port to connect it to a router for router-on-a-stick inter-VLAN routing?
Trunk
You are troubleshooting an inter-VLAN issue on a router and need to verify the status of an access port and its access mode VLAN. Which troubleshooting command would you use to do this?
show interfaces interface-id switchport
You are troubleshooting an inter-VLAN issue on a router and need to verify the status and IP address of all interfaces in a condensed format. Which inter-VLAN routing troubleshooting command would you use to do this?
show ip interface brief
You are troubleshooting an inter-VLAN issue on a switch and need to verify that the subinterfaces are in the routing table. Which inter-VLAN routing troubleshooting command would you use to do this?
show ip route
You are troubleshooting an inter-VLAN issue on a switch and need to check the list of VLANs and their assigned ports. Which inter-VLAN routing troubleshooting command would you use to do this?
show vlan
When configuring a router as part of a router-on-a-stick inter-VLAN routing topology, where should the IP address be assigned?
The subinterface
While configuring inter-VLAN routing on a multilayer switch, a network administrator issues the no switchport command on an interface that is connected to another switch. What is the purpose of this command?
To create a routed port for a single network.
A network administrator enters the following command sequence on a Cisco 3560 switch. What is the purpose of these commands?
To make the Gi,1 a port a routed port.
How is traffic routed between multiple VLANs on a multilayer switch?
Traffic is routed via internal VLAN interfaces.
