Red Corp Blue Subnet1 Blue Subnet3Blue Subnet2 Blue Subnet5 Blue Subnet4 Red Subnet2 Red Subnet1 Blue Sales Net Red HR Net Multitenant.

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Presentation transcript:

Red Corp Blue Subnet1 Blue Subnet3Blue Subnet2 Blue Subnet5 Blue Subnet4 Red Subnet2 Red Subnet1 Blue Sales Net Red HR Net Multitenant Datacenter eg: Hoster Datacenter/Private Cloud Customer VM Network Virtual Subnet Blue Corp Blue R&D Net

Different subnets   GRE Key Blue Subnet MAC  GRE Key Red Subnet MACMAC   Provider Address (PA) Customer Address (CA)

Blue VM 1 : MAC 1, CA 1, PA 1 VM 2 : MAC 2, CA 2, PA 3 VM 3 : MAC 3, CA 3, PA 5 … Red VM 1 : MAC X, CA 1, PA 2 VM 2 : MAC Y, CA 2, PA 4 VM 3 : MAC Z, CA 3, PA 6 … System Center 2012 R2 Virtual Machine Manager Hyper-V n°1 with VMM : PA1 Hyper-V n°2 with VMM : PA3 Hyper-V n°3 with VMM : PA3 VM Networks configuration network virtualization Configuration

Provider Customer

Provider Customer

IP range for hypervisors in Paris Datacenter /16 IP range for hypervisors in Seattle Datacenter /16 1 Logical Network to define those networks : InfraNetworkCloudProvider

Provider Customer

Provider Customer

Logical switch prerequisite 1: Native/Uplink Port Profile

Logical Switch Prerequisite 2: Virtual network adapter port profiles VMQ SR-IOV IPsec task Offloading DHCP Guard…

Provider Customer

Provider Customer

Provider Customer

Provider Customer

PA : NIC PA : CA : CA : Blue1 Blue2 Virtual Subnet ID : 5001 Virtual Subnet ID : 5222

where is default gateway ? ARP for (default gateway) Hyper-V Switch broadcasts ARP to: 1.All local VMs on VSID Network Virtualization filter OOB: VSID:5001 Network Virtualization filter responds to ARP with MAC DGW ARP for ARP is NOT broadcast to the network NIC Hyper-V Switch VSID ACL Enforcement Blue 1 Red 1 Network Virtualization MAC PA1 VSID 5001 VSID 6001 IP Virtualization Policy Enforcement Routing IP Virtualization Policy Enforcement Routing MAC DGW Different VSID :: Different Hosts NIC MAC PA2 Blue 2 Red VSID 5222 VSID 6001 Hyper-V Switch VSID ACL Enforcement Network Virtualization IP Virtualization Policy Enforcement Routing IP Virtualization Policy Enforcement Routing

MAC PA1 OOB: VSID:5001 Use MAC DGW for Default Gateway at MAC DGW Blue 1 learns MAC of Default Gateway MAC DGW Different VSID :: Different Hosts NIC Hyper-V Switch VSID ACL Enforcement Blue 1 Red 1 Network Virtualization MAC PA1 VSID 5001 VSID 6001 IP Virtualization Policy Enforcement Routing IP Virtualization Policy Enforcement Routing MAC DGW NIC MAC PA2 Blue 2 Red VSID 5222 VSID 6001 Hyper-V Switch VSID ACL Enforcement Network Virtualization IP Virtualization Policy Enforcement Routing IP Virtualization Policy Enforcement Routing

sent from Blue 1 MAC B1  MAC DGW  OOB: VSID:5001 in Hyper-V switch MAC B1  MAC DGW  in Network Virtualization filter OOB: VSID:5001 MAC B1  MAC DGW  NVGRE on the wire MAC PA1  MAC PA  MAC B1  MAC B  MAC DGW 5222 Different VSID :: Different Hosts NIC Hyper-V Switch VSID ACL Enforcement Blue 1 Red 1 Network Virtualization MAC PA1 VSID 5001 VSID 6001 IP Virtualization Policy Enforcement Routing IP Virtualization Policy Enforcement Routing MAC DGW NIC MAC PA2 Blue 2 Red VSID 5222 VSID 6001 Hyper-V Switch VSID ACL Enforcement Network Virtualization IP Virtualization Policy Enforcement Routing IP Virtualization Policy Enforcement Routing

received by Blue 2 MAC B1  MAC B  OOB: VSID:5222 in Hyper-V switch MAC B1  MAC B  NVGRE on the wire in Network Virtualization filter OOB: VSID:5222 MAC B1  MAC B  MAC PA1  MAC PA  MAC B1  MAC B  MAC DGW Different VSID :: Different Hosts NIC Hyper-V Switch VSID ACL Enforcement Blue 1 Red 1 Network Virtualization MAC PA1 VSID 5001 VSID 6001 IP Virtualization Policy Enforcement Routing IP Virtualization Policy Enforcement Routing MAC DGW NIC MAC PA2 Blue 2 Red VSID 5222 VSID 6001 Hyper-V Switch VSID ACL Enforcement Network Virtualization IP Virtualization Policy Enforcement Routing IP Virtualization Policy Enforcement Routing

Hyper-V Network Virtualization Gateway DCSQLDNS subnet 10.2x.x/16 subnet 10.3.x.x/16 subnet 10.4.x.x/16 R1R2B1 B2 B3 R3 R4 Y1Y x.x/16  Provider Addresses Consolidated Datacenter Hyper-V Network Virtualization (“NVGRE world”) Host1Host2Host3 Customer Addresses CorpNet 10.1.x.x/16 CorpNet 10.1.x.x/16

Hyper-V Network Virtualization Gateway DC SQL DNS subnet 10.2x.x/16 subnet 10.3.x.x/16 subnet 10.4.x.x/16 R1R2B1 B2 B3 R3 R4 Y1Y x.x/16  Provider Addresses Consolidated Datacenter Hyper-V Network Virtualization (“NVGRE world”) Host1Host2Host3 Customer Addresses S2S VPN Internet S2S VPN CorpNet 10.1.x.x/16 CorpNet 10.1.x.x/16

Hyper-V n°4 With VMM agent NIC 1 : PA/LogicalSwitch NIC 2 : Datacenter NIC 3 : Management VM : WSG1 vNIC 1 : PA/LogicalSwitch vNIC 2 : Datacenter vNIC 3 : Management

Provider Customer

Provider Customer

Twitter Stanislas Quastana Twitter Arnaud Lheureux Thank you for your attention!

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