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So here are my devices.
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First thing is let's configure the Rodda so deface fust.
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Ethan it is 0 0.
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No shut interface first.
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Ethan It's 0 0 1 so I'm going to create a sub interface with IP address 10 1 2 1 2 2 5 4.
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But notice what's going to happen when I press enter.
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I'm told that configuring IP routing on a LAN sub interface is only allowed if that sub interfaces are
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ready configured as part of an ADA to that one.
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Q So the line from the top and kept isolation got one key line one and this is on native land untagged.
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Vigeland So now I can put the IP address on that sub interface second something to face in kept solution.
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Got one key villain to IP Address 10 1 to 2 2 5 4 slushed 24 mosque suit sub interface.
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This is going to be encapsulation dupped one key violent three an IP address 10 1 3 2 5 4 slushed 24
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mosque.
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So it does show run pipe begin face.
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So here is our first interface here.
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Our office three sub interfaces that's how you configure in TV land routing on a Rotto on a stick.
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So lets configure our PCs show IP shows that PC one doesn't currently have an IP address.
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So IP Tendo one to one slash 24 mosque default gateway is the Raanta PC to IP Address 10 or to treat
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one
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turned out one to three to five for so PC one ping its default gateway.
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Yes it can.
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What about PC to.
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It can also ping its default gateway.
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So these two PCs can paying Rato one on the respect of sub interfaces.
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Can the PCs ping each other.
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PC one paying 10 1 3 1 Ping's succeeds PC to paying $10 one to two to one Ping's succeeds that traffic
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is being switched to the Rodda being interval and routed and sent back to PC to
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all deal with shock capture in a moment.
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But notice what happens when I shut the physical interface Foster Ethan it is 0 0
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PC one is no longer able to ping PC to when no shut the interface on the Rodda
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interface comes up and pings start succeeding.
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That's how you configure it to switch with different villans and an external Rodda acting as a Rotto
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on a stick during the interview and routing.
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So now let's run a one shot capture so we can see what's actually happening.
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I'm going to run the y shall capture on the switch so we can see the frames going to the Rodda.
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So when PC one Ping's PC two we should see that it's tagged with relend too.
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But when it comes back again from the Rodda it's tagged with the LAN three
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PC one ping PC to.
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So we can see the traffic from 10 1 to 1 going to 10 1 3 1 in the frame.
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We can see it's tagged with the line to the destination MAC address of this frame.
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He's the rodef show interface is 0 0
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notice the Mac address.
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See 2 0 1 1 e 3 C quadruple 0.
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So that frame is going to the router tagged with Villon to he has another frame.
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Notice the source Mac address is the router and the villain ID is Villon 3.
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So what's happened is the frame arrived on port 1 was sent out a port three going to the Rodda tagged
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with land to and was received back from the Rodda going to PC to get received on this port tagged as
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villaine 3.
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And once again there's the frame going to the Rodda tagged with the Leonti.
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Here's the frame from the Rodda source mac address of the router tagged with villaine 3 the IP packet
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is stole from PC one going to PC to.
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So what about the return traffic.
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Yes.
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Traffic from PC to note is tagged with violent three going to the rodder.
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So that's the frame here going to the router.
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Here's the frame from the router tagged with the Leonti.
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So once again hits untagged hits the switch is tagged as Villines 3 to the Rodda.
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It's in TV land rodded tagged is violent to send sent back to the switch.
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Untagged 2 pc 1.
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So we are seeing the tag frame on pork's 3 from PC to to the Rodda tagged in villaine 3.
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And then here from the router two PC one tagged in the land to.
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