Routing

  What is the best way to originate a subnet of a directly connected route into BGP?  For instance, if you have an interface with 10.0.0.1/16, and you want to advertise the 10.0.0.0/24 network into BGP?

You can examine http://www.juniper.net/techpubs/software/junos/junos94/swconfig-routing/interface-routes.html and http://kb.juniper.net/InfoCenter/index?page=content&id=KB16724 

I could suggest you to use route to null like the following and redistribute this route to BGP

# set routing-options static route 10.0.0.0/24 discard

you will face problem in that case consider this block is lost so for any traffic target this range will go to null as it is more preferred so I guess you couldn't do that setup

Regards,

Mohamed Lardier

Thanks for the suggestions, I have figured out a method.  You are on the right track Mohamed, I place a static route to discard in the routing table, however I use the 'no-install' keyword on it so that the route is not installed in the forwarding table and won't break any connectivity.

So with the 'no-intsall' the more specific route is in the routing table, so I can export it to BGP, but it isn't in the forwarding table so none of my connectivity is broken by it.