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VMworld - vSphere Distributed Switch 6.0 Technical Deep Dive
This document discusses several new features in vSphere Distributed Switch version 6.0, including improved support for routed vMotion traffic using multiple TCP/IP stacks, enhanced vMotion capabilities between vCenters, and new capabilities for Network I/O Control version 3.0 to provide bandwidth reservations and guarantees for virtual machines and distributed port groups.
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VMworld - vSphere Distributed Switch 6.0 Technical Deep Dive
- 2. VMware Certified Design Expert(VCDX) #49 Author of many courses on PluralSight Best streak is 247 straight on the skeet field
- 3. VMware Certified Design Expert(VCDX) #104 Author, Networking for VMware Administrators Likes big hats
- 4. Migration VSS to VDS Mixing1Gb and 10Gb Hosts Handling vMotion Saturation vSphere Replication Bandwidth Quality of Service Tagging Load Based Teaming vs Link Aggregation
- 5. 100% VDS FueledData Center • How to protect vCenter Server and other dependencies • Toss out the Standard vSwitch completely Using Multiple TCP/IP Stacks • Setup a supported Routed vMotion environment • Migrate workloads from one vCenter to another Granular Network Guarantees • Network I/O Control Version 3.0 • Setting guarantees on virtual machines and DPGs
- 6. The vSphere DistributedSwitch 6.0
- 8. Network I/O Control (NIOC) Version3.0 Multicast (IGMP) Snooping Multiple TCP/IP Stack for vMotion
- 9. • VMware nolonger sells the Nexus 1000v • Nexus 1000v is supported in vSphere 6.0 Requires 5.2(1)SV3(1.4) or Later • Cisco Nexus 1000v AVS Mode = Not Supported
- 10.
- 11. “The Nexus 1000v… is the market leading 3rd party virtual switch in the industry”
- 12. The vSphere DistributedSwitch 6.0
- 13. VDS 4.0 We hardlyknew thee
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- 16. VDS 5.0 VDS5.1 VDS 5.5 VDS 5.5 + LACP VDS 6.0 VDS 6.0 + LACP VDS 5.1 VDS 5.5 VDS 5.5 + LACP VDS 6.0 VDS 6.0 + LACP VDS 5.5 VDS 5.5 + LACP VDS 6.0 VDS 6.0 + LACP VDS 5.5 + LACP VDS 6.0 + LACP VDS 6.0 VDS 6.0 + LACP VDS 6.0 + LACP
- 17. “Discover how easyit can be to begin using the vSphere Distributed Switch (VDS) for all workloads, even vCenter and other management dependencies”
- 19. Ephemeral Binding Per portgroup setting
- 20. Ephemeral Ports StillAvailable
- 21. Choosing a portbinding type in ESX/ESXi http://kb.vmware.com/kb/1022312 Protecting a Distributed Switch with Ephemeral Binding http://wahlnetwork.com/2015/01/30/vds-ephemeral-binding/
- 22. “Gain valuable insighton how to best configure your VDS to take advantage of the new vMotion TCP/IP stack for routed traffic”
- 30. • Choose destinationnetwork when vMotioning VMs • Can go between vSS to vSS vSS to vDS vDS to vDS • Note that vDS to vSS is NOT supported vDS includes metadata that vSS doesn’t support • Does NOT change IP address
- 32. • vMotion VMsfrom one vCenter to another Must be in same SSO domain • Supports shared or shared nothing storage configurations • Even migrates things such as HA settings DRS settings Alarms Events
- 33. • Must beon Enterprise Plus licensing! • vCenter Servers must be in Enhanced Linked Mode • Make sure you have good time sync of the vCenters
- 34. • Can nowvMotion across links up to *150ms* of latency! No more 10ms limit! • Keep in mind that this can affect VM application performance Do this in non-peak hours
- 35. “Learn how toleverage the new NIOC version 3 features found in the VDS 6.0 for building robust multi-tenant configurations”
- 36. • More guardrails= less fluidity in the data center • The best designs are simple • Are you solving a problem?
- 37. • Places VM’snetwork adapter on optimal NIC • Must be able to meet reservation • Still adheres to teaming policies Active, standby, and unused • Two control points Distributed Port Group (all VMs attached) Virtual Machine (per VM)
- 38. • Validation atVM power on Must meet minimum bandwidth to VM’s network adapter Reservation is less than the free quota in the pool • Changes are validated in real time Violations prevents change from applying
- 39. vSphere DRS DRS willmigrate when … • Reservation exceeds host capacity • NIC fails vSphere HA HA considers the reservations when powering on a VM
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- 44. Assign Reservation tothe Virtual Machine System Class
- 45. Bandwidth reservation isbased on network adapter quantity and speed Do the math! 0.5 Gbps per NIC x 6 NICs (2 per server) = 3.0 Gbps globally
- 46. Assign a reservationvalue (Mbps) to the Virtual Machine System Class
- 47. Associate port group(s)with the resource pool(s)
- 48. Bask in theamazement!