ASR Route Scale


Different generation of line cards, can hold different number of prefixes, MAC addresses, bridge domains.


  • By default trident line cards have 512K ipv4 prefixes, but can be expended to 1.3M. See table below.


  • Typhoon line cards have different processors for L2 and L3.
  • The hardware profiles scale doesn't apply to Typhoon line cards.
  • 2 M MAC addresses.
  • 4 M IP addresses.

Relevant Commands

hw-module profile scale

Changes the hardware scale profile.

RP/0/RSP1/CPU0:router(admin-config)#   hw-module profile scale (default | l3 | l3xl)

show cef platform resource summary location

Shows the utilization of ipv4/ipv6 prefixes and how much more is available.

RP/0/RSP0/CPU0:r1# sh cef platform resource summary location 0/0/CPU0

Show hw-module profile scale

show  hw-module profile scale


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