In 60 seconds I was just over 100 (107) arp requests. This is a test network. I can definitely ramp that up to do more testing.
Thanks Jake Snyder Sent from my iPhone > On Aug 4, 2016, at 1:45 AM, James Andrewartha <jandrewar...@ccgs.wa.edu.au> > wrote: > > Hi Jake, > >> On 04/08/16 14:19, Jake Snyder wrote: >> Slightly different test, Meraki SSID, with a MBA13 running 10.10.5. > > Thanks for giving it a test. > >> I did a packet capture on the AP filtered for arp and used wireshark on the >> Mac with the same capture filter. I'm only tracking arp requests, since >> that's all I should see on the MBA. 100% arp requests sent OTA from the AP >> were seen by the MBA. But this is an older 11n MBA. I'll get my hands on >> an 11ac device tomorrow and rerun the test. > > How many ARP requests were on the network? In one case in 75 seconds I > saw 598 on the 10.9.5 laptop, with the 10.11.5 laptop seeing 184. > Filtered with (arp.opcode==1) && (eth.addr==ff:ff:ff:ff:ff:ff). > > Filtering just on eth.addr==ff:ff:ff:ff:ff:ff I see 1863 vs 564 packets, > roughly evenly split between NBNS, NetBIOS Browser and ARP requests with > a touch of Dropbox LAN Sync and BOOTP (DHCP). Extending it out to > eth.ig==1 (all broadcast/multicast traffic) it's 4353 vs 1310, with the > addition of mDNS and IPv6. > >> Is it possible you are in promiscuous mode in Windows? You shouldn't see >> the arp responses for anything that client didn't send, or in responses to >> the clients request unless promiscuous mode is enabled. which then isn't a >> fair test of what the laptop did or did not hear. > > My baseline hardware was a 15" Mid-2012 rMBP running 10.9.5, which is > only 11n capable. When rebooted into 10.11 it also exhibits the problem. > > Thanks, > > -- > James Andrewartha > Network & Projects Engineer > Christ Church Grammar School > Claremont, Western Australia > Ph. (08) 9442 1757 > Mob. 0424 160 877 > > ********** > Participation and subscription information for this EDUCAUSE Constituent > Group discussion list can be found at http://www.educause.edu/groups/. ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
