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Go to SolutionDell S4128T-ON – VLAN Trunking Issue on Scale Node
We are facing a connectivity issue after replacing our Nexus switch with a Dell S4128T-ON as our ToR switch.
On the Nexus, our configuration was:
switchport trunk native vlan 110
switchport mode trunk
switchport trunk allowed vlan 30,110,130
This setup was working fine. However, on the Dell switch, since it does not support switchport trunk native vlan 110, we have configured:
switchport access vlan 110
switchport trunk allowed vlan 10,30,130
With this setup, we can access the Scale node on VLAN 110, but we are unable to reach the VMs running on the Scale node, which are on VLANs 10 and 30,130
Could you advise on how we can replicate the Nexus behavior on the Dell switch and ensure VLAN 10 and 30 traffic passes correctly?
DELL-Joey C
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Posted March 19th, 2025 07:52
Hi,
I'm unsure of the entire switchport configuration that you have done, can you reference to this steps below and check:
console> enable
console# configure terminal
Enter configuration commands, ending with CTRL-Z or CTRL-D.
console(config)# interface ethernet 1/1/1
console(config-if)# switchport mode trunk
console(config-if)# switchport access vlan 110
console(config-if)# switchport trunk allowed vlan 10,30,130
console(config-if)# spanning-tree port type edge
console(config-if)# exit
console(config)# end
console# write memory
After you have confirmed the configuration, do a shut and no shut of the port to confirm it is working.
DELL-Joey C
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Dell Technologies | Enterprise Support Services
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