On 27/03/16(Sun) 16:20, Stuart Henderson wrote: > Noticed while looking at the minidlna problem with ART, but this is > not responsible for the problem. > > /etc/netstart has a "route -qn delete 224.0.0.0/4" before it adds > the multicast reject route: > > 270 # Multicast routing. > 271 route -qn delete 224.0.0.0/4 >/dev/null 2>&1 > 272 [[ $multicast != YES ]] && > 273 route -qn add -net 224.0.0.0/4 -interface 127.0.0.1 -reject > >/dev/null > > So there's no way to hook in to create the route before daemons start. > You can't set it in hostname.if because the "route delete" will zap it. > You can add it in /etc/rc.local but that's a bit late, really. Should > we just get rid of the "delete"?
I think that keeping the delete makes sense if we say that running /etc/netstart should "restore" your network configuration to what's defined in /etc. So I'm ok with your diff. > Index: netstart > =================================================================== > RCS file: /cvs/src/etc/netstart,v > retrieving revision 1.167 > diff -u -p -r1.167 netstart > --- netstart 29 Dec 2015 19:37:31 -0000 1.167 > +++ netstart 27 Mar 2016 15:18:06 -0000 > @@ -268,9 +268,10 @@ done > done > > # Multicast routing. > -route -qn delete 224.0.0.0/4 >/dev/null 2>&1 > -[[ $multicast != YES ]] && > +if [[ $multicast != YES ]]; then > + route -qn delete 224.0.0.0/4 >/dev/null 2>&1 > route -qn add -net 224.0.0.0/4 -interface 127.0.0.1 -reject >/dev/null > +fi > > # Configure PPPoE, GIF, GRE, TUN and PFLOW interfaces, delayed because they > # require routes to be set. TUN might depend on PPPoE, and GIF or GRE may > > > Here's the code before simplification - i.e. if you set multicast_host > to an interface name, it would add the -interface route at this point > during startup. > > 270 # Multicast routing. > 271 # > 272 # The routing to the 224.0.0.0/4 net is setup according to these rules: > 273 # multicast_host multicast_router route comment > 274 # NO NO -reject no > multicast > 275 # NO YES none installed daemon > will run > 276 # YES/interface NO -interface YES=def. > iface > 277 # Any other combination -reject config > error > 278 route -qn delete 224.0.0.0/4 >/dev/null 2>&1 > 279 case "$multicast_host:$multicast_router" in > 280 NO:NO) > 281 route -qn add -net 224.0.0.0/4 -interface 127.0.0.1 -reject > >/dev/null > 282 ;; > 283 NO:YES) > 284 ;; > 285 *:NO) > 286 maddr=$(if [[ $multicast_host == YES ]]; then > 287 ed -s '!route -qn show -inet' <<EOF > 288 /^default/p > 289 EOF > 290 else > 291 ed -s "!ifconfig $multicast_host" <<EOF > 292 /^ inet /p > 293 EOF > 294 fi 2>/dev/null) > 295 if [[ -n $maddr ]]; then > 296 set $maddr > 297 route -qn add -net 224.0.0.0/4 -interface $2 >/dev/null > 298 else > 299 route -qn add -net 224.0.0.0/4 -interface \ > 300 127.0.0.1 -reject >/dev/null > 301 fi > 302 ;; > 303 *:*) > 304 echo 'config error, multicasting disabled until rc.conf is fixed' > 305 route -qn add -net 224.0.0.0/4 -interface 127.0.0.1 -reject > >/dev/null > 306 ;; > 307 esac >
