Difference between revisions of "Multicast notes"
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Notes about multicast | Notes about multicast | ||
| − | =test if multicast is working | + | =test if multicast is working between two nodes= |
*this uses '''ssmping''' | *this uses '''ssmping''' | ||
Install this on all nodes . | Install this on all nodes . | ||
Revision as of 11:50, 29 January 2012
Notes about multicast
test if multicast is working between two nodes
- this uses ssmping
Install this on all nodes .
aptitude install ssmping
On Node A:
ssmpingd
On Node B:
asmping 224.0.2.1 ip_for_other_host_here
example output from Node A:
asmping joined (S,G) = (*,224.0.2.234) pinging 192.168.8.6 from 192.168.8.5 unicast from 192.168.8.6, seq=1 dist=0 time=0.221 ms unicast from 192.168.8.6, seq=2 dist=0 time=0.229 ms multicast from 192.168.8.6, seq=2 dist=0 time=0.261 ms unicast from 192.168.8.6, seq=3 dist=0 time=0.198 ms multicast from 192.168.8.6, seq=3 dist=0 time=0.213 ms unicast from 192.168.8.6, seq=4 dist=0 time=0.234 ms multicast from 192.168.8.6, seq=4 dist=0 time=0.248 ms unicast from 192.168.8.6, seq=5 dist=0 time=0.249 ms multicast from 192.168.8.6, seq=5 dist=0 time=0.263 ms unicast from 192.168.8.6, seq=6 dist=0 time=0.250 ms multicast from 192.168.8.6, seq=6 dist=0 time=0.264 ms unicast from 192.168.8.6, seq=7 dist=0 time=0.245 ms multicast from 192.168.8.6, seq=7 dist=0 time=0.260 ms
for more information see
man ssmping
and
less /usr/share/doc/ssmping/README.gz