[nsp] L3 and Full BGP?

[Pavel Narozhniy]

Stephen J. Wilcox wrote:

>In my limited experience with 3550 you -may- get it to hold the table in memory
>but the sdm is limited in size and you will not be able to hold all the routes
>in the sdm meaning you fallback to process switching and regularly generated
>warning messages.
>  
>

Quoting from 
http://www.cisco.com/en/US/products/hw/switches/ps646/products_data_sheet09186a00800913d7.html

    * 64 MB DRAM and 16 MB Flash memory

    * Configurable up to 12,000 MAC addresses (Catalyst 3550-12G and
      3550-12T), Configurable up to 8,000 MAC addresses (Catalyst
      3550-48, 3550-24, 3550-24 PWR, 3550-24-DC, and3550-24-FX)

    * Configurable up to 24,000 unicast routes (Catalyst 3550-12G and
      3550-12T), Configurable up to 16,000 unicast routes (Catalyst
      3550-48, 3550-24, 3550-24 PWR, 3550-24-DC, and 3550-24-FX)


Current number of BGP prefixes is 117799, according to my router. If 
number of routes, specifed above (24 000), is not hardware limitation, I 
don't think that full view will fit in 64MB RAM :(