Prefix count limit?

[Eric Cables]

512k routes should be fine. ;-)

bird> show route count
48166116 of 48166116 routes for 509948 networks
bird>
bird> show mem
BIRD memory usage
Routing tables:   4123 MB
Route attributes: 3640 MB
ROA tables:        192  B
Protocols:          38 kB
Total:            7763 MB
bird>


-- Eric Cables


On Wed, Jul 30, 2014 at 4:46 AM, Sergey Popovich <popovich_sergei at mail.ru>
wrote:

>
> > Hi everyone,
>
> Hello.
>
> >
> > I got an announcement from my iptransit provider stating the ipv4
> > routing table size has now exceeded 500k routes, so I thought lets check
> > if bird is able to handle this and actually find out if there are any
> > limitations. I could not find it on the website, but if I remember
> > correctly the amount of routes is only impacted by the amount of memory
> > the bird server has?
>
> BIRD implements FIB using hash tables with maximum number of entries
> limited to the power of 'unsigned int' on the target platform (32 bit
> on the most targets).
>
> Thus teoretical limit of the FIB in BIRD is 2^32 == 4294967296
> entries.
>
> On practice BIRD is limited to the amount of virtual memory
> available to the process to store routing information.
>
> >
> > Kind regards,
> > Tom van Leeuwen
>
> --
> SP5474-RIPE
> Sergey Popovich
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://trubka.network.cz/pipermail/bird-users/attachments/20140731/88c1f349/attachment-0001.html>