Solved

ESXi Host Alert

Posted on 2014-11-26
6
554 Views
Last Modified: 2014-12-12
Hi Experts,

Suddenly I have started to receive the following alerts from one of our ESXi hosts, I tried to reboot the hosts but still the issue is not fixed yet, can you please advise what I need to look at for the investigation.

Event alarm expression: Lost Network Connectivity; Status = Yellow] OR [Event alarm expression: Lost Network Connectivity; Status = Red] OR [Event alarm expression: Lost Network Connectivity to DVPorts; Status = Red] OR [Event alarm expression: Restored Network Connectivity to DVPorts; Status = Green] OR [Event alarm expression: Restored network connectivity to portgroups; Status = Green])
 
Event details:
 Lost network connectivity on virtual switch "vSwitch10". Physical NIC vmnic20 is down. Affected portgroups:"VLAN65", "VLAN39", "Management Network".

Those VMs are in the hosts, they are up and running without any issues but not sure why the alert is generating each day.
0
Comment
Question by:ipsec600
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
6 Comments
 
LVL 15

Accepted Solution

by:
Haris Djulic earned 167 total points
ID: 40468497
Hi,

i think the key word here is the Physical NIC vmnic20 is down , and since the VM are working fine most probably the vSwitch10 has multiple NIC  i.e. there is a failover option...

Check the settings for the vSwitch10  and status for the NIC vmnic20 ...
0
 
LVL 121

Assisted Solution

by:Andrew Hancock (VMware vExpert / EE MVE^2)
Andrew Hancock (VMware vExpert / EE MVE^2) earned 167 total points
ID: 40468509
Check your physical switch, and check a cable has not been removed from the server!

Sometimes, this does occur at random.
0
 
LVL 56

Expert Comment

by:andyalder
ID: 40469215
With 10Gb Qlogic NICs it happens all the time :(
0
Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

 
LVL 12

Assisted Solution

by:Vaseem Mohammed
Vaseem Mohammed earned 166 total points
ID: 40469359
In one of my experience an ESXi server with 4 nics on which  2 vSwitch with 2 nics each, one of the nic was flipping online/offline.
After moving the effected nic to different vSwitch, it worked fine, don't know why the nic didn't like vSwitch1.
0
 
LVL 121
ID: 40469375
sometimes referred to as a "flapping port"
0
 

Author Closing Comment

by:ipsec600
ID: 40496346
Thank you Guys for your reply, all of your advise helps to investigate and apology for the delay feedback.
0

Featured Post

Comprehensive Backup Solutions for Microsoft

Acronis protects the complete Microsoft technology stack: Windows Server, Windows PC, laptop and Surface data; Microsoft business applications; Microsoft Hyper-V; Azure VMs; Microsoft Windows Server 2016; Microsoft Exchange 2016 and SQL Server 2016.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

The following article is comprised of the pearls we have garnered deploying virtualization solutions since Virtual Server 2005 and subsequent 2008 RTM+ Hyper-V in standalone and clustered environments.
In this article, I will show you HOW TO: Create your first Windows Virtual Machine on a VMware vSphere Hypervisor 6.5 (ESXi 6.5) Host Server, the Windows OS we will install is Windows Server 2016.
This Micro Tutorial steps you through the configuration steps to configure your ESXi host Management Network settings and test the management network, ensure the host is recognized by the DNS Server, configure a new password, and the troubleshooting…
How to Install VMware Tools in Red Hat Enterprise Linux 6.4 (RHEL 6.4) Step-by-Step Tutorial
Suggested Courses

617 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question