Layer 3 Route Table Size

Table 1. Layer 3 Route Table Size Maximums

Attribute

Maximum number supported

IPv4 BGP routes (control plane only)

1.5 M

IPv4 OSPF routes

64,000

IPv4 RIP routes (per VRF/per switch)

2,000/16,000

IPv4 routes

252,000

IPv4 SPB Shortcut routes

16,000

IPv6 Shortcut routes (Incoming, processed ISIS routes):

32,000

IPv6 Shortcut routes (Outgoing, advertised ISIS routes):

64-bit long prefix

22,000

128-bit long prefix

15,000

prefix length 64-128 (across all VRFs)

16,000