Layer 2

Table 1. Layer 2 Maximums

Attribute

Product

Maximum number supported

MAC table size (without SPBM)

5320 Series

32,000

5420 Series

5420F Series models: 32,000

5420M Series models: 64,000

5520 Series

80,000

5720 Series

5720MXW models: 164,000

5720MW models: 100,000

7520 Series

160,000

7720 Series

160,000

MAC table size (with SPBM)

5320 Series

16,000

5420 Series

5420F Series models: 16,000

5420M Series models: 32,000

5520 Series

40,960

5720 Series

5720MXW models: 82,000

5720MW models: 50,000

7520 Series

80,000

7720 Series

80,000

Endpoint Tracking MAC addresses per switch

5320 Series

n/a

5420 Series

n/a

5520 Series

8,000

5720 Series

8,000

7520 Series

8,000

7720 Series

8,000

Directed Broadcast interfaces

5320 Series

200

See Maximum Number of Directed Broadcast Interfaces.

5420 Series

200

See Maximum Number of Directed Broadcast Interfaces.

5520 Series

200

See Maximum Number of Directed Broadcast Interfaces.

5720 Series

200

See Maximum Number of Directed Broadcast Interfaces.

7520 Series

200

See Maximum Number of Directed Broadcast Interfaces.

7720 Series

200

See Maximum Number of Directed Broadcast Interfaces.

Port-based VLANs

Note:

When you use Flex-UNI functionality, you can use the range from 1 to 4094 for port VLAN IDs.

5320 Series

4,059

5420 Series

4,059

5520 Series

4,059

5720 Series

4,059

7520 Series

4,059

7720 Series

4,059

Private VLANs

5320 Series

See Private VLAN and Layer 2 E-Tree maximums

5420 Series

See Private VLAN and Layer 2 E-Tree maximums

5520 Series

See Private VLAN and Layer 2 E-Tree maximums

5720 Series

See Private VLAN and Layer 2 E-Tree maximums

7520 Series

See Private VLAN and Layer 2 E-Tree maximums

7720 Series

See Private VLAN and Layer 2 E-Tree maximums

Protocol-based VLANs (IPv6 only)

5320 Series

1

5420 Series

1

5520 Series

1

5720 Series

1

7520 Series

1

7720 Series

1

RSTP instances

5320 Series

1

5420 Series

1

5520 Series

1

5720 Series

1

7520 Series

1

7720 Series

1

MSTP instances

5320 Series

12

5420 Series

12

5520 Series

12

5720 Series

12

7520 Series

12

7720 Series

12

LACP aggregators

5320 Series

48-port models: 56

24-port models: 32

16-port models: 20

5420 Series

56 (48 fixed ports, 4 Universal Ethernet ports, 4 SFP-DD ports)

5520 Series

48-port models: up to 60 with channelization

24-port models: up to 36 with channelization

5720 Series

64

7520 Series

56

7720 Series

32 (up to 125 with channelization)

Ports per LACP aggregator

5320 Series

8 active

5420 Series

8 active

5520 Series

8 active

5720 Series

8 active

7520 Series

8 active

7720 Series

8 active

MLT groups

5320 Series

48-port models: 56

24-port models: 32

16-port models: 20

5420 Series

56 (48 fixed ports, 4 Universal Ethernet ports, 4 SFP-DD ports)

5520 Series

48-port models: up to 60 with channelization

24-port models: up to 36 with channelization

5720 Series

64

7520 Series

56

7720 Series

32 (up to 125 with channelization)

Ports per MLT group

5320 Series

8 active

5420 Series

8 active

5520 Series

8

5720 Series

8

7520 Series

8

7720 Series

8

Link State Tracking (LST) groups

5320 Series

48

5420 Series

48

5520 Series

48

5720 Series

48

7520 Series

48

7720 Series

48

Interfaces per LST group

5320 Series

48-port models: 9 upstream/128 downstream

16- and 24-port models: 8 upstream/128 downstream

5420 Series

8 upstream

128 downstream

5520 Series

8 upstream

128 downstream

5720 Series

8 upstream

128 downstream

7520 Series

8 upstream

128 downstream

7720 Series

8 upstream

128 downstream

SLPP VLANs

5320 Series

128

5420 Series

128

5520 Series

128

5720 Series

500

7520 Series

500

7720 Series

500

VLACP interfaces

5320 Series

48-port models: 56

24-port models: 32

16-port models: 20

5420 Series

56 (48 fixed ports, 4 Universal Ethernet ports, 4 SFP-DD ports)

5520 Series

48-port models: up to 60 with channelization

24-port models: up to 36 with channelization

5720 Series

64 with no SPB mode: up to 56 with SPBM mode with the channelization enabled when using 5720-VIM-2CE.

64 with no VIM: up to 54 with 5720-VIM-6YE.

7520 Series

56

7720 Series

32 (up to 125 with channelization)

Microsoft NLB cluster IP interfaces

5320 Series

Not supported

5420 Series

Not supported

5520 Series

200

See Maximum Number of Microsoft NLB Cluster IP Interfaces.

5720 Series

200

See Maximum Number of Microsoft NLB Cluster IP Interfaces.

7520 Series

200

See Maximum Number of Microsoft NLB Cluster IP Interfaces.

7720 Series

200

See Maximum Number of Microsoft NLB Cluster IP Interfaces.

The number of Private VLANs/Layer 2 E-Tree varies depending on the number of private VLAN trunk ports as members. The following table provides the maximum numbers.

Table 2. Private VLAN and Layer 2 E-Tree maximums

Platform

Total Private VLANs and Layer 2 E-Tree with 2 Private VLAN trunk ports

Total Private VLANs and Layer 2 E-Tree with 4 Private VLAN trunk ports

5320 16- and 24-port models

40

20

5320 48-port models

100

50

5420 Series

100

50

5520 Series

200

100

5720 Series

200

100

7520 Series

100

50

7720 Series

100

50