Cisco Nexus 1000V System Management Configuration Guide, Release 4.2(1)SV1(5.1)

Maximum Modules

66

34

Virtual Ethernet Module (VEM)

64

32

Virtual Supervisor Module (VSM)

2 in an HA Pair (active-standby hosted in the same datacenter)

2 in an HA Pair (active-standby hosted in the same datacenter)

vCenter Server Datacenters per VSM

1

1

Hosts

64

32

Active VLANs or VXLANs across all VEMs

2048 (any combination of VLANs and VXLANs)

1024 (any combination of VLANs and VXLANs)

MACs per VEM

32000

32000

MACs per VLAN per VEM

4000

4000

vEthernet interfaces per port profile

1024

1024

PVLAN

512

128

Distributed Virtual Switches (DVS) per vCenter with VMware vCloud Director (vCD)

12

12

Distributed Virtual Switches (DVS) per vCenter without VMware vCloud Director (vCD)

32

32

vCenter Server connections

1 per VSM HA Pair¹

1 per VSM HA Pair¹

Maximum latency between VSMs and VEMs

5ms

5ms

Virtual Service Domains (VSDs)

64

6

32

3

VSD interfaces

2048

216

1024

108

vEthernet interfaces

2048

216

1024

108

Port profiles

2048

—

1024

—

System port profiles

32

32

16

16

Port channel

256

8

128

4

Physical trunks

512

—

256

—

Physical NICs

—

32

—

16

vEthernet trunks

256

8

128

4

ACL

128

16²

64

8²

ACEs per ACL

128

128²

64

64²

ACL instances

2048

256

1024

128

NetFlow policies

32

8

16

4

NetFlow instances

256

32

128

16

SPAN/ERSPAN sessions

64

64

32

32

QoS policy map

128

128

64

64

QoS class map

1024

1024

512

512

QoS instances

2048

256

1024

128

Port security

2048

216

1024

108

MultiCast groups

512

512

256

256

¹ Only one connection to vCenter server is permitted at a time.

² This number can be exceeded if VEM has available memory.