XenServer 6 Hardware Capabilities
- up to 1TB RAM
- up to 16 NICs  (8 bonded/teamed)
- up to 64 logical processors (multiply physical CPUs x Cores)
Hardware compatibility (HCL) - http://hcl.xensource.com/

Virtual Networking
- Open vSwitch (default stack) -  combined with Distributed vSwitch Controller gives you more features
- The Linux Bridge - standard Linux bridging implementation with no special code from Citrix

Supported Network Stack

Feature	Open vSwitch	Open vSwitch and Distributed  v Switch Controller
Active / Active	✔	✔
Active / Passive	✔	✔
Private Network	✔	✔
Jumbo frames	✔	✔
QoS		✔
NetFlow		✔
Cross-Server Private Network		✔
Access Control Lists (ACL)		✔

Note: Network Teaming - Active / Active uses Source Load Balancing (SLB)
SLB does not require physical Ethernet switch configuration for EtherChannel or 802.3ad 

Naming Conventions
PIF - physical interface, VIF - virtual interface, Virtual NIC - NIC on the VM



XenServer CLI Interface:
xe pif-list - shows list of physical interfaces
xe pif-param-list uuid=<uuid of the nic> - shows more info about particular NIC
ifconfig - same as ipconfig in Windows
brctl show - show similar info to XenCenter