Configuration Limits

 

Table 16-1 Configuration Limits for Cisco Nexus 1000V

Component
Supported Limits for Cisco Nexus 1000V in the Same Datacenter
Supported Limits for Cisco Nexus 1000V Across Two Datacenters

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 across all VEMs

2048

1024

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 (DVSes) per vCenter

12

12

vCenter Server connections

1 per VSM HA Pair1

1 per VSM HA Pair 1

Maximum latency between VSMs and VEMs

—

5 ms
Per DVS
Per Host
Per DVS
Per Host

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 channels

256

8

128

4

Physical trunks

512

—

256

—

Physical NICs

—

32

—

16

vEthernet trunks

256

8

128

4

ACLs

128

162

64

8 2

ACEs per ACL

128

128 2

64

64 2

ACL interfaces

2048

256

1024

128

NetFlow policies

32

8

16

4

NetFlow interfaces

256

32

128

16

SPAN/ERSPAN sessions

64

64

32

32

QoS policy maps

128

128

64

64

QoS class maps

1024

1024

512

512

QoS interfaces

2048

256

1024

128

Port security

2048

216

1024

108

Multicast groups

512

512

256

256

DHCP snoop binding entries (static + dynamic)

2048

2048

1024

1024

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

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