[Xorp-users] Unreachable default route.

[Ben Greear]

Ok, I think this is working now...patch is attached.

In addition to the 'unreachable' feature, this also includes the
hack to let the 'static' priority be set though an environment
variable, and a slight modification of the error logging for
receiving pkts not destined for this Xorp's interfaces.

If it is more convenient, I can cut those extra two things
out of the patch, but I would also be happy if they went into
Xorp proper.  I understand the getenv hack is not a long term
solution, but it is better than nothing, and if the variable is
not set, you get the current default behaviour.

Please look for 'TODO' in the patch, as I had a few questions
as to whether I did it right.  It seems to be working right on
Linux:

10.2.0.0/24 via 10.0.0.1 dev rddVR1  proto xorp  metric 2 notify
10.0.0.0/24 dev rddVR1  scope link
10.4.0.0/24 dev rddVR44  scope link
10.1.0.0/24 via 10.4.0.2 dev rddVR44  proto xorp  metric 2 notify
10.3.0.0/24 via 10.0.0.1 dev rddVR1  proto xorp  metric 2 notify
unreachable default  proto xorp  metric 1 notify


cfg-file snippets:

interfaces {
     interface my_discard {
         unreachable: true
         vif my_discard {
         }
     }
}

protocols {
     static {
         interface-route 0.0.0.0/0 {
             next-hop-interface: "my_discard"
             next-hop-vif: "my_discard"
         }
     }
}




Thanks,
Ben

-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com

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