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EVPN-VXLAN Campus Network Scaling Data for CRB

 

Table 1 lists the scaling values for the EX9251 and EX4650 switches in the EVPN-VXLAN CRB campus example. You can find the topology and configuration in How to Configure an EVPN-VXLAN Fabric for a Campus Network With CRB. These numbers do not represent the maximum supported scale. They represent only the solution testing performed for this example. The results of the tests are provided for reference purposes only.

Table 1: Scaling Values for CRB based EVPN-VXLAN Campus Network

Attribute

Fabric

Per Core Node (EX9251)

Leaf Node (EX4650)

Virtual switches

1

1

1

VLANS/bridge domains/VNIs

4000

4000

4000

ESIs

62

Not Applicable

62

IRB interfaces

4000

4000

Not Applicable

VRF instances

2000

2000

Not Applicable

ARP entries

60,000

60,0001

Not Applicable

ND scale (incudes link local)

60,000

60,0001

Not Applicable

Multicast *,G

15,000

15,000

Not Applicable

Multicast S,G

15,000

15,000

Not Applicable

IGMPv2 snooping

15,000

15,000

15,000

MAC addresses

60,000

60,0002

60,0003

Unique MAC address configured per IRB

100

100

Not Applicable

Unique Virtual GW MAC address configured per IRB

100

100

Not Applicable

DHCP-Relay Session

30,000

30,000

Not Applicable

1Tested with 60,000 ARP and ND entries. The EX9251 switch can support up to 128,000 entries. The EX9253 switch can scale up to 256,000 ARP entries with EVPN-VXLAN.

2Tested with 60,000 MAC addresses on the EX9251. We can scale up to 500,000 pure Layer 2 MAC Addresses.

3Tested with 60,000 MAC addresses on the EX4650 switch. We can scale up to 291,000 pure Layer 2 MAC addresses with layer 2 profiles.