Large routing table - routes not loading and/or disappear

Hi all,

I am setting up a FreeBSD 10.1 server to act as a router with multiple interfaces. Quagga is being used, and has been successfully set up to peer using BGP. A condition is that there will be large routing table. There will be a different next-hop for each of the routes. However, while I see the routes received by Quagga, only ~ 120 routes are actually visible using netstat -rn, and after a time all those disappear, leaving the remaining static routes and default only.

I have set the following in sysctl.conf:
Code:
net.inet.ip.rtmaxcache=262144
net.inet.ip.redirect=0
net.inet.ip.rtminexpire=0
net.inet.ip.rtexpire=0

But the issue still occurs. What am I missing?

Thanks,
 
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