VIC 1225 Issue on C240, C460 M4 servers with vmware esxi

[Gonuguntla Gopi]

Dear All,

I have installed the hyper visor & followed the below link to configure the hypervisor

http://www.cisco.com/c/en/us/support/docs/servers-unified-computing/ucs-c-series-rack-servers/117637-technote-UCS-00.html#anc5

I have made the VIC card ports trunk without tagging & IP address is given on the esxi , If i give/allow all the vlans or if leave the vlan option empty in hypervisor . The hypervisor IP is not reachable.

I have made the VIC card ports trunk without tagging & IP address is given on the esxi, If i tag a particular esxi managment vlan in the managment network settings then it is reachable.

is there any specific reason to do tagging ?

[reregala · Accepted solution]

If your management network VLAN is anything other than VLAN 1, you must tag somewhere whether it be ESXi or the switch. For Cisco switches, default native VLAN is 1. Any untagged traffic will be tagged as VLAN 1 by the switch. If VLAN 1 is not your management network, than it is expected for ping to fail when applying no VLAN to the ESXI management port group.

If you would like to not tag the ESXi mgmt port group and your management VLAN is not VLAN 1, you will need to change the native vlan tagging on the switch port. When untagged traffic hits the switch, the switch will assign the native VLAN (mgmt).