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January 30th, 2025 20:33
VXLAN Trunking to no VXLAN switches
I am new to VXLAN and keep running into to initial set up issues.
I have VXLAN tunneling VLAN 50 between SW-1 and SW-2 and PC4 and PC2 are able to communicate, yay!
Now the issues
When I attempt to trunk VLAN 50 and 51 SW-1 to MXL and to RTR_1 (I am routing on a stick and that's where VLAN 50 and 51 default gateway is) I am running into issues. First I attempt trunk VLAN 51 by going under interface VLAN 51 then adding the command < tagged port-channel 11 >, that works! Then I attempt to trunk VLAN 50 by typing the command < tagged port-channel 11 > After typing in the command it tells me that % Error: Po 11 Non Vxlan Port can not be added to VXLAN vlan.
SW-1#sho run int te1/1
!
interface TenGigabitEthernet 1/1
description to_RTR_1
no ip address
speed 1000
!
port-channel-protocol LACP
port-channel 11 mode active
no shutdown
!
interface Port-channel 11
description To-RTR-1
no ip address
mtu 9216
switchport
no shutdown
SW-1#sho run int vlan 51
!
interface Vlan 51
no ip address
tagged Port-channel 11
untagged TenGigabitEthernet 1/20
no shutdown
SW-1#config t
SW-1(conf)#int vlan 50
SW-1(conf-if-vl-50)#sho con
!
interface Vlan 50
vxlan-vnid 100
no ip address
untagged TenGigabitEthernet 1/16
no shutdown
SW-1(conf-if-vl-50)#tagged port-channel 11
% Error: Po 11 Non Vxlan Port can not be added to VXLAN vlan.
Is there a way to trunk this to other switches?
Please see attached diagram 
DELL-Erman O
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January 31st, 2025 07:26
Hello,
Could you share with us a bit more detail What is your swicth model and what OS version running on them
I'm not a network expert but me and our community try to more helpful model and OS information.
Wan_Whisperer
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January 31st, 2025 13:51
Sure, the switches are Dell S4048-ON running OS9.
The MXL is running OS9.
The Router is a Cisco device running IOS 15.4
DELL-Erman O
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January 31st, 2025 15:02
thanks, please take a look at these documents Virtual Extensible LAN (VXLAN)
Dell Networking: How to Configure VLANs and Associate Ports to VLANs on OS9 switch | Dell US
Wan_Whisperer
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February 4th, 2025 13:58
@DELL-Erman O As far as I can tell the two links does not cover my question.
Jelmer de Jong
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February 4th, 2025 14:39
What is the portchannel/LACP doing?
DELL-Erman O
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February 4th, 2025 14:51
LACP combines multiple physical network links into a single logical link.
This below point draw my attention from cmd reference guide on pg 162 Dell Command Line Reference Guide for the S4048–ON System 9.14.2.5
The 802.1X with VLAN assignment feature is not supported on trunk ports, dynamic ports, or with dynamic-access port assignment through a VLAN membership.
I'm thinking, could it be related?
Wan_Whisperer
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February 4th, 2025 15:09
@DELL-Erman O Thanks for the replay but this does not relate to my question.
Wan_Whisperer
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February 4th, 2025 15:15
I do have a small update but its still not working as needed.
If I add the command < vxlan-instance 1 > under interface Port-channel 11 I am able to get past the above error
"SW-1(conf-if-vl-50)#tagged port-channel 11
% Error: Po 11 Non Vxlan Port can not be added to VXLAN vlan."
and VLAN 50 will trunk to the RTR and the MXL but after adding that command VLAN 51 is not longer trunking to the RTR or the MXL.
I need to ability to trunk multiple VLANs at the same time.
Thanks
DELL-Erman O
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February 4th, 2025 15:21
Sorry to hear that. Okay normally, we couldn't help with configuration but Could you try below one?
(edited)
Wan_Whisperer
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February 4th, 2025 15:40
@DELL-Erman O Thanks again for the reply, I feel like you are using chatgpt to answer my questions.
Jelmer de Jong
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February 4th, 2025 16:48
@Wan_Whisperer Why do u use the port channel instead of the physical interface?
Wan_Whisperer
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February 4th, 2025 18:18
@Jelmer de Jong In my case one port is 10Gig. Using a port-channel I can bridge/team/LAG many interfaces together, again in my case 4 different 10Gig physical interfaces to get put into a 40Gig logical link(port channel also known as a LAG). This also helps if one interface goes down you will still have 3 interfaces in a port-channel so the connectivity will still be up.
(edited)