Scalability: IP Address, VLAN, and Routing Maximum Values
The following table lists the switch scalability values for the areas of VLANs, ACLs, hardware, ARP, and routing.
Subject |
Maximum |
---|---|
IPv4 ACLs |
|
total named (extended or standard) |
Up to 2048 (minus any IPv4 numeric standard or extended ACL assignments and any RADIUS-assigned ACLs)1 |
total numbered standard |
Up to 99 |
total numbered extended |
Up to 1001 |
total ACEs in all IPv4 ACLs |
Up to 30721 |
IPv6 ACLs |
|
total IPv6 ACLs |
Up to 20481 |
total ACEs in all IPv6 ACLs |
Up to 30721 |
Layer-3 |
|
VLANs with at least one IP Address |
512 |
IP addresses per system |
2048 IPv42048 IPv6 |
IP addresses per VLAN |
32 |
Static routes (IPv4 and IPv6 combined) |
256 |
IPv4 host hardware table |
72 K (8K internal, 64K external) |
IPv4 BMP hardware table |
2 K |
ARP |
|
ARP entries |
25,000 |
Packets held for ARP resolution |
25 |
Dynamic Routing |
|
Total routes supported |
IPv4 only: 10,000 (including ARP)IPv4 and IPv6: 10 K (IPv4) and 3 K(IPv6)IPv6 only: 5 K |
IPv4 Routing Protocol |
|
RIP interfaces |
128 |
OSPFv2 |
|
Interfaces/subnets |
512 (128 active) |
Max. areas supported |
16 |
ECMP next hops |
4 |
IPv6 Routing Protocol |
|
DHCPv6 Helper Addresses |
32 unique addresses; multiple instances of same address counts as 1 towards maximum |
OSPFv3 |
|
Interfaces/subnets |
512 (128 active) |
Max. areas supported |
16 |
ECMP next hops |
4 |
Actual availability depends on combined resource usage on the switch.