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Develop health check procedure to automate validation SEA and switch VLAN trunk configuration matches
Using VLANs on Power Systems usually comes with Virtual Ethernet Adapters bridged to hypervisor switch and SEA Failover/Sharing setup. The maximum configuration can be 16 Virtual Ethernet Adapters and maximum 20 VLANS + PVID / SEA, so 336 VLANs in total. This gives the possibility to define high amount of VLANs on one SEA adapter what usually backed by an EtherChannel trunk. On switch side these VLANs also should be defined usually with trunk configuration. If more and more VLANs are in use and LPM is a requirement then we can calculate with time consuming manual VLAN maintenance on SEA adapters and switches.
The idea is to develop new monitoring into HMC/VIOS and PowerVM components what could track if VLAN configuration between switch and SEA matches.
This is already implemented for VMware and it's an elegant way to do health check on configured VLANs. It might be required to turn on CDP or LLDP on switches. Example: http://rickardnobel.se/esxi-5-1-network-health-check/
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