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So in this video I'd like to do a quick verification

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of the infrastructure.

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So even though I am using some nested virtualization here

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at the very backend on the physical network,

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we need to make sure we have those VLANs in place,

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including VLAN 101 and VLAN 102.

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And I also wanna make sure I have routing in place

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between 10 11 11

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and 10 22 22 here on the physical network.

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So for the physical infrastructure,

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one of my devices is a Cisco Catalyst switch.

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So let's go to the interface on the Cisco Catalyst switch

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and let's verify our physical infrastructure.
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and let's verify our physical infrastructure.

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Alright, so here on this Catalyst series switch

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from Cisco system, let's do a show VLAN brief.

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I wanna make sure I have VLANs 101 and 102

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and I currently, do they exist?

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That's a good thing if we want that traffic to be forwarded.

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And let's also verify my logical

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layer three routed interfaces on this multi-layer switch

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because we're gonna need to route traffic

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between the subnets on VAN 101 and 102.

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So if we wanna use the 10 dot 11 dot 11 address base

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and 10 dot 22 dot 22,
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and 10 dot 22 dot 22,

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I wanna make sure I have routing capabilities

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on my physical network between those.

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Let's do a show IP interface brief.

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And I'm gonna say please exclude anything

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that has the word u n a s s i in it short for unassigned

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and oh, I'm glad I checked.

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Look at that. So these are my logical layer three interfaces

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on this multi-layer switch.

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And if we wanna use 101 or 102,

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I've got those IP addresses,

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the default gateways in different VLANs.

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So I need to rearrange my IP addresses here

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for a little bit.
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for a little bit.

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So to do that I'm gonna go into configuration mode.

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I'm gonna say please default interface VLAN 105.

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That's gonna wipe out the IP address there.

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And let's also wipe out the one on 106

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because I wanna use those same IP addresses

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on interface VLAN 101 and 102 respectively.

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So now if we do a show IP interface brief,

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and I'm doing a little due command

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because I'm in configuration mode.

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So we'll do a show IP interface brief pipe.

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Please exclude anything that has word unassigned in it

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and fantastic.
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and fantastic.

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So now I can assign the addresses here to interface

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via that 101 and 102.

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So previously, if I had attempted that,

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it would've said you have an overlap IP address

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with two different interfaces

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on the same subnet in the same VRF.

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So let's go to interface VLAN 101

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and we'll give the IP address of 10 dot 11 dot 11 dot one

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with a 24 bit mask and we'll go into interface VLAN 102

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and give it the IP address of 10 dot 22 dot 22 dot one.

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And so we'll use that IP address as the default gateway

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because this multilayer switch
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because this multilayer switch

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will be acting as the default gateway.

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We'll give that a 24 bit mask

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and then we'll do a quick verification

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with the show IP route just to verify

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that those are in the routing table.

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So here we have the 10 11 11 network

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being supported by interface VLAN 101,

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and then we have the 10 22 22 network.

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And that's being supported by interface VLAN 102

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each for their respective VLANs.

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And those IP addressing spaces

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are in those respective VLANs.

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And on a Cisco switch, the interface VLAN 102

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is logically like hovering in VLAN 102.
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is logically like hovering in VLAN 102.

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The same thing for interface VLAN 101.

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That logical layer three address is hovering existing

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in VLAN 101.

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So any devices in VLAN 101 can use that IP address

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10 11 11 one

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as their default gateway when they need to forward traffic.

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Alright, so I'm glad we checked.

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Alright, so now the infrastructure currently has VLANs 101

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and 102.

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Plus there's a default gateway at dot one

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on both of the IP subnets associated with those two VLANs.

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And the other thing I wanna do is verify
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And the other thing I wanna do is verify

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that my ports involved connecting to ESXi-A

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and ESXi-B that I'm supporting trunking.

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Now again, behind the scenes

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I am doing nested virtualization,

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but at the end of the day a lot of that traffic

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does actually hit my physical network.

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So I also wanna make sure

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that on my physical network I have these ports

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set up as trunks.

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So back at the switch we do a show interface trunk

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and press enter.

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Pretty much all these ports are trunking

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and allowing all these VLANs.

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So every port that is connected up to an ESXi host
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So every port that is connected up to an ESXi host

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is trunking and here are the VLANs that are being supported.

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Most important here are the VLANs 101 and 102,

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which we'll be using for each of our ESXi host

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as they're being updated to becoming transport nodes in NSX.

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So from the physical perspective

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on the physical transport network, this looks great.

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So regarding checking the physical infrastructure,

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which I'm super glad that we did,

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so we now have a default gateway on the 10 11 11 network

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and also the 10 22 22 network.

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Now as part of configuring our ESXi hosts
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Now as part of configuring our ESXi hosts

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and training them on which uplinks they should use.

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It's also gonna ask us at that point as part of the profile,

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which VLAN we wanna use for the transport.

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And that information is configured

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as part of an uplink profile

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that we're gonna associate with our host.

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So, on ESXi-A, we'll create an uplink profile

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that tells it to go ahead and use VM NIC two as the active

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and VM NIC as the standby.

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Very similar treatment for ESXi-B over here.

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However, we will need a separate uplink profile for each

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because we want ESXi-A to use VLAN 101
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because we want ESXi-A to use VLAN 101

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and the address space of 10 11 11.

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And we want ESXi-B to use VLAN 102

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and have an IP address for its tunnel endpoint

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on the 10 22 22 network.

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Now, there is also an option

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for configuring both of our ESXi hosts,

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or a whole cluster of ESXi hosts at the same time.

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At which point we would use a host profile

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that includes which uplink profiles to use,

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which are going to include which VLANs to use.

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So there's a few options regarding configuring ESXi host

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as transport nodes in bulk.
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as transport nodes in bulk.