[c-nsp] CSR1000V and CPU usage

[Pshem Kowalczyk]

Hi,

The bandwidth is assessed as a sum on ingress:
http://www.cisco.com/c/en/us/td/docs/routers/csr1000/software/configuration/csr1000Vswcfg/licensing.html#pgfId-997645

My unscientific experiments seem to indicate that the control plane traffic
is probably not counted towards the licensed bandwidth. For example - if we
drop all licences (default is then 100kb/s max) then router keeps all
adjacencies (BGP, OSPF, LDP even BFD) but forwarded traffic gets  dropped.
I haven't investigated this further, so it's also possible that QoS is
helping the adjacencies to stay up.

kind regards
Pshem


On Fri, 14 Aug 2015 at 02:35 Steve Glendinning <steve at warwicknet.com> wrote:

> > > Mostly folks were using these for Route reflectors I think.
> >
> > That's what we do. Works like a charm, over 12x months now.
>
> In this application how low bandwidth license can you get away with in
> practice?  Do the bandwidth license limits apply to both routed
> traffic and control-plane traffic (such as RR BGP updates)?
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