[streaming] multicast ttl ??

Richard Ham rich-lists at edit-co.com
Thu Sep 11 06:22:03 CEST 2003


Hello all.....

Guess this comes down to killing one prob at a time ... ;)

Using a copy of vls from cvs (mid aug...... every new one I try to d/l
doesn't have "configure"...) and trying to change the ttl so that I
can get through two hops of routers....

Config includes:

BEGIN "multicast1"                       # multicast example
  streamtype = "multicast"
  DstHost    = "239.255.10.13"             # multicast address
  DstPort    = "1234"                    # destination port
  TTL        = "5"                       # Time To Live
END

but no matter what, I get this outa the machine when I look at the
stream using tcpdump :

14:06:55.207874 10.10.10.252.1037 > 239.255.10.13.1234:  udp 1316 (DF)
[ttl 1]

I've hammered away at this for a bit now, and can't figure it
out........ any clues??? Is this something Linux does (Debian 3.0r1,
running kernel 2.4.22) or is this VLS??

Regards,

Richard

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