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 | |
|
Up to 2048 (minus any IPv4 numeric standard or extended ACL assignments and any RADIUS-assigned ACLs)[1] |
|
Up to 99[1] |
|
Up to 100[1] |
|
Up to 3072[1] |
Layer-3 | |
|
512 |
|
2048 IPv4 2048 IPv6[2] |
|
32[3] |
256 | |
IPv4 host hardware table |
72 K (8K internal, 64K external) |
IPv4 BMP hardware table |
2 K |
ARP | |
|
25,000 |
|
25 |
Dynamic Routing | |
|
IPv4 only: 10,000 (including ARP) IPv4 and IPv6: 10 K (IPv4) and 3 K (IPv6)[4] IPv6 only: 5 K[5] |
|
128 |
IPv6 Routing Protocol | |
|
32 unique addresses; multiple instances of same address counts as 1 towards maximum |
[2] These limits apply only to user-configured addresses and not to auto-configured link local and prefix IPv6 addresses. A maximum configuration could support up to 2048 user-configured and 2048 auto-configured IPv6 addresses for a total of 4096. [3] There can be up to 32 IPv4 and 32 user-configured IPv6 addresses on a single VLAN. In addition, each VLAN is limited to 3 auto-configured prefix-based IPv6 addresses. [4] Configured as an ABR for OSPF with four IPv4 areas and four IPv6 areas. [5] Configured as an ABR for OSPF with two IPv6 OSPF areas. |