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On 24/08/2013 22:06, kb9mwr@gmail.com wrote:
(Please trim inclusions from previous messages) _______________________________________________ The tunnel interface is a gateway to the rest of the class A network. You have to allow this by setting a netmask of netmask 255.0.0.0
An your second ethernet interface to your radio LAN, you may set a smaller netmask.
Only true if you're using the amprd encapsulation and routing daemon.
For all other cases the tunl0 interface is defined without a remote host ip address, setting the mask to 255.0.0.0 might bypass the static routes setup via rip44d or encap.txt or any other way. Connected routes usually have a higher preference than static routes. So unless you're using the new amprd, usage of netmask 255.0.0.0 might result in issues contacting non-local AMPR subnets.
In the style of your description from above, the tunl0 is not the gateway to the AMPR network 44.0.0.0/8 as the tunl0 is setup without a remote host address. As such the tunl0 interface will allow you to reach exactly 0 hosts within the AMPRnet without the routes created by rip44d or other means. With rip44d the gateway is provided via the routes added to the kernel routing table.
73 de Marc, LX1DUC