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How many physical interfaces are required to perform inter-VLAN routing with traditional inter-VLAN routing?
In traditional inter-VLAN routing (also known as "router-on-a-stick"), only one physical interface is required on the router. However, this single physical interface needs to be configured with multiple sub interfaces, each corresponding to a different VLAN. The router uses these sub interfaces to route traffic between VLANs. The configuration involves: One physical interface on the router (e.g., GigabitEthernet0/1). Multiple sub interfaces (e.g., GigabitEthernet0/1.10, GigabitEthernet0/1.20) corresponding to different VLANs. Each sub interface is assigned an IP address in the respective VLAN's subnet. This setup enables inter-VLAN routing by allowing the router to route traffic between the VLANs using a single physical interface.
Advantages and disadvantages of inter-vlan routing?
Advantages are that it is simple to implement, A Layer-3 switch (expensive) is not required, The router provides communication between VLANs.
What does VLAN stand for?
A VLAN is a virtual LAN. In technical terms, a VLAN is a broadcast domain created by switches. Normally, it is a router creating that broadcast domain. With VLANs, a switch can create the broadcast domain. This works by, you, the administrator, putting some switch ports in a VLAN other than 1, the default VLAN. All ports in a single VLAN are in a single broadcast domain. Because switches can talk to each other, some ports on switch A can be in VLAN 10 and other ports on switch B can be in VLAN 10. Broadcasts between these devices will not be seen on any other port in any other VLAN, other than 10. However, these devices can all communicate because they are on the same VLAN. Without additional configuration, they would not be able to communicate with any other devices, not in their VLAN.
How are data frames identified and sent to the correct VLAN when exiting an Ethernet trunk?
Based on the VLAN tag.
What is the purpose of the switch command switch port access vlan 99?
the switchport access vlan 99 command is used to designate a specific VLAN for a switch port, allowing you to control how traffic on that port is treated and segregated from traffic on other ports and VLANs in the network. This is a fundamental configuration step in building and managing VLANs within a network infrastructure.
What are three features of router-on-a-stick inter-VLAN routing?
What are three features of router-on-a-stick, inter-VLAN routing? (Choose three.)
Which three statements are true regarding router-on-a-stick inter-VLAN routing (Choose three.)?
#1, #3, #5
What are the three valid VLAN routing methods?
Router-on-a-stickRouter-on-a-stick using trunksLayer 3 switching
How many physical interfaces are required to perform inter-VLAN routing with traditional inter-VLAN routing?
In traditional inter-VLAN routing (also known as "router-on-a-stick"), only one physical interface is required on the router. However, this single physical interface needs to be configured with multiple sub interfaces, each corresponding to a different VLAN. The router uses these sub interfaces to route traffic between VLANs. The configuration involves: One physical interface on the router (e.g., GigabitEthernet0/1). Multiple sub interfaces (e.g., GigabitEthernet0/1.10, GigabitEthernet0/1.20) corresponding to different VLANs. Each sub interface is assigned an IP address in the respective VLAN's subnet. This setup enables inter-VLAN routing by allowing the router to route traffic between the VLANs using a single physical interface.
A network administrator implements inter-VLAN routing by configuring subinterfaces on a router What is one important fact that must considered?
The IP address of each router subinterface mist be used as the default gateway for hosts on the corresponding VLAN.
Advantages and disadvantages of inter-vlan routing?
Advantages are that it is simple to implement, A Layer-3 switch (expensive) is not required, The router provides communication between VLANs.
When inter VLAN routing is used how are the switch ports that link to the router configured?
switch(config)#int type <no> switch(config-if)#switchport mode trunk switch(config-if)#switchport trunk allowed vlan all/vlan no switch(config-if)#exit switch(config)#exit switch#
What is the function of VTP in a LAN switching environment?
What is the function of VTP in a LAN switching environment? controls broadcastsstandardizes VLAN tagssimplifies VLAN managementcreates subinterfaces for inter-VLAN routing
What is diff between layer 3 switch and router?
both are the common inter networking devices(functionally) but the layer 3 switch has the functionality of both switch and router, layer 3 switch are most commonly used in frame relay networks, layer 3 switches are also capable of inter vlan routing
How can you do inter vlan communication in a L3 D-link switch model is DGS 3612g?
inter_vlan routing on d'link DGS3612 is automatic,you just creates vlan and tag them to the port access and trunk
When implementing a router-on-a-stick what must be configured on the router to ensure connectivity?
When implementing a router-on-a-stick configuration, you must create sub-interfaces on the router's physical interface connected to the switch, with each sub-interface assigned to a different VLAN. Each sub-interface should be configured with an IP address corresponding to its VLAN's subnet, and the encapsulation type (usually 802.1Q) must be specified for each sub-interface. Additionally, ensure that the switch ports connected to the router are set to trunk mode to allow multiple VLAN traffic to pass through the link.
Why would packets from the router or hosts fail when trying to reach the switch management interfaces if the native VLAN were left in default?
The native VLAN is untagged. If the VLAN 99 traffic to the router is untagged (as it would be, because that is native on the switches), the router cannot interpret the data because there is no VLAN information in the header as expected. In turn, the router tags all VLAN 99 traffic outbound, and leaves VLAN 1 data untagged, so the switches are unable to correctly interpret either. VLAN traffic to the other VLANs should not be affected by the assignment of the native VLAN.
