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VMWare Servers Experiencing Traffic Loss

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TitleVMWare Servers Experiencing Traffic Loss
Symptoms
VMWare servers experience traffic loss when passing heavy traffic loads such as but not limited to VMotion when connecting to a 10Gb connection.
Switch(s) do not show any signs of L1 issues, congestion, or drops incrementing.
Environment
  • VSP
  • ERS
  • Running all software versions
Cause
Server(s) are using Intel NIC driver (ixgben)
Resolution
Update the NIC driver and enable the ixgbe version.

1. Download the latest version of ixgbe (vmkLinux)  driver from Dell Support (
 
2. Copy the .vib file to the ESXi host and install it:
 # esxcli software vib install -v /tmp/net-ixgbe_4.5.3-1OEM.600.0.0.2494585.vib
 
3. Reboot
 
4. Enable the new ixgbe drive and disable the ixgben driver:
 # esxcli system module set -e=true -m=ixgbe
# esxcli system module set -e=false -m=ixgben

 
5. Reboot
 
6. Check that the new driver is active:
 [root@srv-cth-esx15:~] esxcli network nic get -n vmnic0
 
[root@srv-cth-esx15:~] esxcli network nic get -n vmnic0
   Advertised Auto Negotiation: false
   Advertised Link Modes: 10000baseT/Full
   Auto Negotiation: false
   Cable Type: DA
   Current Message Level: 7
   Driver Info:
         Bus Info: 0000:01:00.0
         Driver: ixgbe
         Firmware Version: 0x8000095c, 18.8.9
         Version: 4.5.3-iov
   Link Detected: true
   Link Status: Up
   Name: vmnic0
   PHYAddress: 0
   Pause Autonegotiate: false
   Pause RX: true
   Pause TX: true
   Supported Ports: FIBRE
   Supports Auto Negotiation: false
   Supports Pause: true
   Supports Wakeon: false
   Transceiver: external
   Virtual Address: 00:50:56:14:82:80
   Wakeon: None
Additional notes

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