These are some of the useful numbers I’ve collated as I’ve been doing the study guide. I’m happy to add more if anyone thinks I’ve missed some important ones.
VMware vCenter Server 5.5 or later
VMware ESX 5.0 or later for each server
VMware Tools – For vShield Endpoint and NSX Data Security, you must upgrade your virtual machines to hardware version 7 or 8 and install VMware Tools 8.6.0 released with ESXi 5.0 Patch 3.
MTU minimum 1550, 1600 recommended
||Edge Quad Large
||NSX Data Security
DHCP Pools – 20,000
Segment IDs (VNI) – 10,000
Audit Logs – 1,000,000
443 between the ESXi hosts, vCenter Server, and NSX Manager.
443 between the REST client and NSX Manager.
TCP 902 and 903 between the vSphere Web Client and ESXi hosts.
TCP 80 and 443 to access the NSX Manager management user interface and initialize the vSphere and NSX Manager connection.
TCP 22 for CLI troubleshooting.
10000 Port groups
60,000 virtual ports
up to 1000 interfaces
up to 8 uplinks
1200 DLR instances total
100 DLR instances per ESXi host
HA default heartbeat failover interval 15 seconds (5x 3 seconds), can be reduced to 6 seconds minimum.
HA heartbeat minimum frequency = 1 second
1 NSX to 1 vCenter
Backup Frequency – Hourly/Daily/Weekly
3 minimum, must be an odd number
VNI – 24bit number – 16M VXLAN networks
MTU 1600 bytes to support VXLAN with IPv4 and IPv6 traffic
50 bytes overhead for VXLAN encapsulation
54 bytes overhead if VLAN tagging is used
Uses UDP port 8472 as a transport protocol
64 LAGs per host
64 LAGs per distributed switch
802.1Q – VLAN tagging
4096 VLANs maximum
IPsec VPN – maximum of 64 tunnels across maximum of 10 sites
SSL VPN – up to 25 users