Fabric Scaling

This section lists the fabric scaling information.

Table 1. Fabric Maximums

Attribute

Product

Maximum number supported (with and without vIST)

Number of SPB IS-IS areas

5320 Series

1

5420 Series

1

5520 Series

1

5720 Series

1

Number of B-VIDs

5320 Series

2

5420 Series

2

5520 Series

2

5720 Series

2

Maximum number of Physical and Logical (Fabric Extend) NNI interfaces/adjacencies

5320 Series

64

5420 Series

50

5520 Series

128

5720 Series

128

SPBM enabled nodes per area (BEB + BCB)

5320 Series

350 without boot config flags spbm-node-scaling

500 with boot config flags spbm-node-scaling

5420 Series

350 without boot config flags spbm-node-scaling

500 with boot config flags spbm-node-scaling

5520 Series

800

5720 Series

1000

Number of BEBs not part of vIST clusters this node can share services with (Layer 2 VSNs, Layer 3 VSNs, E-Tree, Multicast, Transparent Port UNI)

5320 Series

350 without boot config flags spbm-node-scaling

500 with boot config flags spbm-node-scaling

5420 Series

350 without boot config flags spbm-node-scaling

500 with boot config flags spbm-node-scaling

5520 Series

800

5720 Series

2,000

Number of BEBs that are part of a vIST cluster this node can share services with (Layer 2 VSNs, Layer 3 VSNs, E-Tree, Multicast, Transparent Port UNI)

5320 Series

300

5420 Series

300

5520 Series

800

5720 Series

1,000

I-SIDs supported (local UNI present on device)

5320 Series

See Number of I-SIDs supported

5420 Series

See Number of I-SIDs supported

5520 Series

See Number of I-SIDs supported

5720 Series

See Number of I-SIDs supported

Maximum number of Layer 2 VSNs per switch (local UNI present on device)

5320 Series

48-port models: 500

16- and 24-port models: 250

5420 Series

500

5520 Series

3,580

5720 Series

4,000

Maximum number of Transparent Port UNIs per switch

5320 Series

48-port models: 53

24-port models: 29

16- models: 20

5420 Series

56

5520 Series

48-port models: 48

24-port models: 24

5720 Series

60

Maximum number of Layer 2 E-Tree/PVLAN UNIs per switch

5320 Series

48-port models: 50

16-port and 24-port models: 20

5420 Series

100

5520 Series

200

5720 Series

100

Maximum number of routed PVLANs/E-Trees

5320 Series

10

5420 Series

10

5520 Series

10

5720 Series

100

Maximum number of Switched UNI Endpoints (C-VID or untagged port bindings)

5320 Series

See Maximum Number of Switched UNI Endpoints (C-VID or Untagged Port Bindings).

5420 Series

See Maximum Number of Switched UNI Endpoints (C-VID or Untagged Port Bindings).

5520 Series

See Maximum Number of Switched UNI Endpoints (C-VID or Untagged Port Bindings).

5720 Series

See Maximum Number of Switched UNI Endpoints (C-VID or Untagged Port Bindings).

Maximum number of Layer 3 VSNs per switch

See VRF Scaling.

5320 Series

48-port models: 64

16- and 24-port models: 1 local VRF and 23 remote accepted I-SIDs

5420 Series

64

5520 Series

256 including mgmt VRF and GRT

5720 Series

256

Maximum number of SPB Layer 2 multicast Data I-SIDs

5320 Series

See Maximum Number of SPB Multicast Data I-SIDs

5420 Series

See Maximum Number of SPB Multicast Data I-SIDs

5520 Series

See Maximum Number of SPB Multicast Data I-SIDs

5720 Series

See Maximum Number of SPB Multicast Data I-SIDs

Maximum number of SPB Layer 3 multicast Data I-SIDs

5320 Series

See Maximum Number of SPB Multicast Data I-SIDs

5420 Series

See Maximum Number of SPB Multicast Data I-SIDs

5520 Series

Maximum 4,000 for a BEB: Due to internal resource sharing IP Multicast scaling depends on network topology. Switch will issue warning when 85 and 90% of available resources are reached.

See Maximum Number of SPB Multicast Data I-SIDs

5720 Series

See Maximum Number of SPB Multicast Data I-SIDs

Maximum number of FA ISID/VLAN assignments per port

5320 Series

94

5420 Series

94

5520 Series

94

5720 Series

94

Maximum number of IP multicast S,Gs when operating as a BCB (intra-area)

5320 Series

16,000

5420 Series

16,000

5520 Series

16,000

5720 Series

50,000

Maximum Number of Switched UNI Endpoints (C-VID or Untagged Port Bindings)

The number of Switched UNI endpoints supported varies based on other feature configuration.

The following table provides the maximum number supported with and without vIST.

Product

Total Number of Switched UNI Endpoints

Feature configuration

5320 Series

Note:

Resources are shared with NEAP clients.

800

boot config flags macsec: NO

boot config flags spbm-node-scaling: NO

Platform VLAN present: N/A

800

boot config flags macsec: YES

boot config flags spbm-node-scaling: NO

Platform VLAN present: NO

700

boot config flags macsec: YES

boot config flags spbm-node-scaling: NO

Platform VLAN present: YES

400

boot config flags macsec: N/A

boot config flags spbm-node-scaling: YES

Platform VLAN present: N/A

5420 Series

800

boot config flags macsec: NO

700

VLAN-based with boot config flags macsec

400

boot config flags spbm-node-scaling: YES

5520 Series

4,900

N/A

5720 Series

12,000

N/A

Maximum Number of SPB Multicast Data I-SIDs

The number of I-SIDs supported varies for Layer 2 and Layer 3 ingress and egress BEBs.

Attribute

Product

Maximum number supported (with and without vIST)

Maximum number of Layer 2 multicast Data I-SIDs

Note:

Overall limits across all Layer 2 VSNs

On Ingress BEB: Dynamic and Static originated Data I-SIDs

5320 Series

16- and 24-port models: 250

48- port models: 500

5420 Series

500

5520 Series

3,580

5720 Series

4,000

On Egress BEB: Static Data I-SIDs Terminated

5320 Series

800 without boot config flags spbm-node-scaling

1,200 with boot config flags spbm-node-scaling

5420 Series

800 without boot config flags spbm-node-scaling

1,200 with boot config flags spbm-node-scaling

5520 Series

4,000

5720 Series

6,000

On Egress BEB: Dynamic data I-SIDs + originating BEB pairs terminated

5320 Series

800 without boot config flags spbm-node-scaling

1,200 with boot config flags spbm-node-scaling

5420 Series

800 without boot config flags spbm-node-scaling

1,200 with boot config flags spbm-node-scaling

5520 Series

4,000

5720 Series

6,000

Maximum number of Layer 3 multicast Data I-SIDs

Note:

Overall limits across all Layer 3 VSNs/GRT

On Ingress BEB: Dynamic and Static originated Data I-SIDs

5320 Series

16- and 24-port models: 250

48- port models: 500

5420 Series

500

5520 Series

3,580

5720 Series

4,000

On Egress BEB: Static Data I-SIDs Terminated

5320 Series

800 without boot config flags spbm-node-scaling

1,200 with boot config flags spbm-node-scaling

5420 Series

800 without boot config flags spbm-node-scaling

1,200 with boot config flags spbm-node-scaling

5520 Series

4,000

5720 Series

6,000

On Egress BEB: Dynamic data I-SIDs terminated, each I-SID counted after each originating BEB

5320 Series

800 without boot config flags spbm-node-scaling

1,200 with boot config flags spbm-node-scaling

5420 Series

800 without boot config flags spbm-node-scaling

1,200 with boot config flags spbm-node-scaling

5520 Series

4,000

5720 Series

6,000

Number of I-SIDs Supported for the Number of Configured IS-IS Interfaces and Adjacencies (NNIs)

The number of I-SIDs supported depends on the number of IS-IS interfaces and adjacencies (NNIs) configured.

The following table shows the number of UNI I-SIDs supported per BEB. UNI I-SIDs are used for Layer 2 VSN, Layer 3 VSN, Transparent-UNI, E-Tree, Switched-UNI and S, G for Multicast.

Number of IS-IS interfaces (NNIs)

Product

I-SIDs with vIST configured on the platform

I-SIDs without vIST configured on the platform

4

5320 Series

n/a

500

5420 Series

564

564

5520 Series

4,000

4,000

5720 Series

4,000

4,000

6

5320 Series

n/a

500

5420 Series

564

564

5520 Series

3,500

4,000

5720 Series

3,500

4,000

10

5320 Series

n/a

500

5420 Series

564

564

5520 Series

2,900

4,000

5720 Series

2,900

4,000

20

5320 Series

n/a

500

5420 Series

564

564

5520 Series

2,000

4,000

5720 Series

2,000

4,000

48

5320 Series

n/a

500

5420 Series

564

564

5520 Series

1,000

2,000

5720 Series

1,000

2,000

72

5320 Series

n/a

n/a

5420 Series

n/a

n/a

5520 Series

750

1,500

5720 Series

750

1,500

100

5320 Series

n/a

n/a

5420 Series

n/a

n/a

5520 Series

550

1,100

5720 Series

550

1,100

128

5320 Series

n/a

n/a

5420 Series

n/a

n/a

5520 Series

450

900

5720 Series

450

900

250

5320 Series

n/a

n/a

5420 Series

n/a

n/a

5520 Series

n/a

n/a

5720 Series

n/a

n/a

Interoperability Considerations for IS-IS External Metric

BEBs running VOSS 5.0 can advertise routes into IS-IS with the metric type as external. They can also correctly interpret route advertisements with metric type external received via IS-IS. In an SPB network with a mix of products running different versions of software releases, you must take care to ensure that turning on the ability to use metric-type external does not cause unintended loss of connectivity.

Note the following before turning on IS-IS external metric if the SPB network has switches running a release prior to VOSS 5.0: