[j-nsp] How are max routes calculated on an SRX

[Morgan McLean]

700,000 routes in the control plane, as far as I know.

Let me share my experience. SRX650 cluster, max routes somewhere along that
700k number you gave. I was taking four feeds, giving me somewhere around
1.6M routes. It technically took all of them, but it took 20 minutes to
failover all of those routes to another interface. The box was way
overloaded and caused major headaches. It would do things like say next hop
unavailable etc, this was because the forwarding plane still was pointing
the route to the downed interface, while the control plane was already
looking to the backup.

Morgan

On Wed, Oct 17, 2012 at 5:04 PM, Skeeve Stevens <
skeeve+junipernsp at eintellego.net> wrote:

> Hey all,
>
> I am considering using an SRX550 as a border router - its cheap, fast, and
> flexible, with a great selection of interfaces.
>
> Question is.... the specs say it can support a maximum of 700k routes.
>
> Now, if what I suspect is right, that is great, but I am getting
> conflicting information.
>
> A full feed at the moment is about 430k routes.  So I am hoping that the
> SRX550 could take multiple full feeds... lets say - 3-4, and it just
> installs a single unique copy of the full feed which is way under the 700k
> threshold.
>
> But someone was trying to tell me that it couldn't take two world feeds as
> together they are 860k routes.. but my gut feeling is that this is wrong as
> I am not sure what purpose the SRX550 having 700k route capacity would be
> if it operated that way.
>
> Any pointers to documentation that supported how Juniper SRX counted their
> routes would be great.
>
> ...Skeeve
> *
>
> *
> *Skeeve Stevens, CEO - *eintellego Pty Ltd
> skeeve at eintellego.net ; www.eintellego.net
>
> Phone: 1300 753 383; Cell +61 (0)414 753 383 ; skype://skeeve
>
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>
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