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Beacon 0.63 (Java) and TTL;


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  • From: Michael Hare <>
  • To: I2 Multicast Working Group <>
  • Subject: Beacon 0.63 (Java) and TTL;
  • Date: Wed, 21 Aug 2002 09:45:01 -0500

Sorry if it's off topic but..

Anyone have issues with the multicast beacon client not respecting TTL on outbound packets? According to the docs, I believe there should be a default TTL of 127. This doesn't seem to be the case, and using -ttl 127 on the command line didn't help either.

Redhat 7.3

cd /usr/local/beaconclient; /usr/java/bin/java Beacon -group 233.2.171.1 -port 56464 -server beaconserver.accessgrid.org -serverport 9997 -name WiscNet_Madison -ttl 127

09:43:55.229320 farnsworth.wiscnet.net.32883 > beacon-mcast.accessgrid.org.56464: udp 69 (DF) [ttl 1]
09:43:55.339329 farnsworth.wiscnet.net.32883 > beacon-mcast.accessgrid.org.56464: udp 69 (DF) [ttl 1]
09:43:55.449321 farnsworth.wiscnet.net.32883 > beacon-mcast.accessgrid.org.56464: udp 69 (DF) [ttl 1]
09:43:55.559329 farnsworth.wiscnet.net.32883 > beacon-mcast.accessgrid.org.56464: udp 69 (DF) [ttl 1]

-Michael

/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
Michael Hare
UW-Madison/WiscNet Network Engineering
My phone: 608-262-5236
24-Hour NOC: 608-263-4188
WiscNet: 608-265-6761




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