fix up the ip address config in the example config.

you're supposed to configure the IP addresses inside the tunnel,
sec doesn't support configuration of the tunnel endpoint addresses
because that's

fix up the ip address config in the example config.

you're supposed to configure the IP addresses inside the tunnel,
sec doesn't support configuration of the tunnel endpoint addresses
because that's handled by SAs via ike config.

hit by Luca Di Gregorio on misc@

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equivalient -> equivalent

provide an example config for ikev1 with isakmpd and ipsecctl

a few people have bugged me for an example. hopefully this is enough.

some readability tweaks; ok dlg

sec(4) to support route-based ipsec vpns.

committing it now so jmc@ gets commits for any fixes he makes.