Hello,
We're running xcat Version 2.6.10 on our cluster, and I've been taking a look
at the network with tcpdump recently. We have in the region of 1000 compute
nodes on the network, and they're all managed by xcat. The volume of ARP
related traffic on the network (I ran tcpdump on the xcat master) seems very
high to me, however I'm no expert in these things and so the level of ARP
activity may be reasonable. I ran tcpdump for just 1 minute, and recorded in
the region of 7,000 ARP transactions. Is this reasonable for a cluster of 1000
compute nodes?
If anyone can please advise us in this respect then that would be appreciated.
Best regards - David.
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