KB.15.15

MaximumSubject

128RIP interfaces

OSPFv2

512 (128 active)Interfaces/subnets

16Max. areas supported

4ECMP next hops

IPv6 Routing Protocol

32 unique addresses; multiple instances of same address counts

as 1 towards maximum

DHCPv6 Helper Addresses

OSPFv3

512 (128 active)Interfaces/subnets

16Max. areas supported

4ECMP next hops

Actual availability depends on combined resource usage on the switch.

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.

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.

Configured as an ABR for OSPF with four IPv4 areas and four IPv6 areas.

Configured as an ABR for OSPF with two IPv6 OSPF areas.

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