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VPXA
Enthusiast
Enthusiast

Not all VLAN MTU settings on the external physical switch allow the vSphere Distributed Switch maximum MTU size packets to pass on

Recently we have upgraded the vCenter from 5.5u3 to 6.5u1g, in few hosts (from few clusters) we are receiving alarm saying  "Not all VLAN MTU settings on the external physical switch allow the vSphere Distributed Switch maximum MTU size packets to pass on..." no logs found in the physical switch. MTU settings are fine.

In vSphere HA "configuration issues" its showing "Insufficient configured resources to satisfy....." where verified everything seems good. Please help me with suggestions or solution.

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diegodco31
Leadership
Leadership

Hi

Did you check this article?

Diego Oliveira
LinkedIn: http://www.linkedin.com/in/dcodiego
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VPXA
Enthusiast
Enthusiast

Hi Diego,

thanks for the reference, we have one dvS which is untagged with no "Physical adapters or vLan's" mapped to it, previously we removed the adapters and vLans from this dvS.

Can we suspect which is creating for this alarms?

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VPXA
Enthusiast
Enthusiast

Hi Diego,

After disabling alarm (Health Check) also, still we are receiving the alert mails, any suggestions where I need to check. is there any chance by the removing "VLAN trunk range" will clear this alarm.

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