Here is the configuration, left out any unrelated stuff: What is even more frustrating is that changin the native vlan to 1 (default) works fine with the router, so I really don`t get it.what am I missing here? the router has a sub-interface configured to accept encapsulation dot1q 30 native, but as I said, it doesn`t work. Now from switch A I also got a trunk to the router. changing the native vlan to 30 worked fine for these two.
from the switch i got a trunk to switch B and from there to another client also with no vlan attached. The layout is pretty simple: one host with no vlan attached to my switch A. I triple-checked my configuration and found nothing that can explain why does it happen. the communication between the switches worked fine, but upon arriving to the router it tells me I didn`t create the sub-interface for that vlan. I was trying to change the native vlan from 1 to 30. Notice the two subinterfaces and both status show as up/up.I'm pretty new in the IT field, so maybe my question will seem totally newbie. *what that line means: dot1q is the trunking protocol, and 10 is the VLAN ID. Now we can configure the sub-interfaces on the router. By creating sub-interfaces on the router, the VLANs have a default gateway, enabling you to forward between VLANs.įirst we have to tell fa0/0 to not have use an IP address, and also to turn on the physical interface. In this step we can now start to complete our ROAS setup. So if more then 10 VLANS, best to you a 元 Switch. **Note you can add as many VLANS as you wish, but the more VLANS = More subinterfaces on your router which can burden your router. **Note that the link between SW1 and R1 is a trunk link. In this how-to I will be using the following devices: So I will not be covering it in this how-to. You need a router to be able to route between the two VLANS or you can use a Layer 3 switch. Like having a VLAN for your Servers and also one for your client Data.
What that means is simply routing withing your network between VLANS. Please leave your feedback in the comments at the bottom.Ī ROAS is used within a small to mediam sized organization that needs to implement inter-VLAN routing. This how-to is designed for basic users, but can be used as a guide by senior admins that just forgot how to set it up or what it is. In this how-to I will describe what the term Router on a Stick means and also how to configure it.
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