[AG-TECH] multiclient single subnet lag question

Mark Hereld hereld at mcs.anl.gov
Tue Apr 26 09:50:09 CDT 2005


Ti weighs in on the question Jonathan and the ABCUC crowd posed at today's 
meeting.  With regards to the possibility that the logy network when 
multiple clients live on same subnet, you could be getting multiple copies 
of streams if your local switch isn't configured correctly to deal with the 
multicast:

" If their switch is configured right, the switch only recievs one stream 
and replicates it to the clients. So there will be multiple streams on the 
local network. If theire switch is misconfigured, it wil flood traffic to 
all ports and cause major grief. They will wnat IGMP Snooping on for 
whatever vlan their AG machines are on at a minimum."

-- Mark
"Information Relay to the Stars"


Mark Hereld                     Futures Laboratory
http://www.mcs.anl.gov/~hereld/ Mathematics & Computer Science
                                 Argonne National Laboratory
Voice: 630 252 4170             9700 S. Cass Ave. #221
FAX:   630 252 6424             Argonne, IL 60439
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