Here is some visualization to how the data is moving via RoboCopy's percentage ticker:
via direct: Mostly streaming/bursting, with seemingly random pauses or slowdowns in counting. via phone: Constant slow counting and pausing. No bursts of speed. via D-Link switch: Constant streaming/bursting, with no pauses or slow counting. -- ME2 On Sun, Jan 25, 2009 at 3:38 PM, Micheal Espinola Jr <[email protected]> wrote: > Hi everyone, > > I'm at a new job/network where I have started to become aware of some > odd-ball performance issues. We have a 3rd-party managed VoIP solution > with Cisco Catalyst 2950 switches, for which I have absolutely no > access or control over our internal switching and routing equipment - > except for our perimeter firewall. > > For the majority of the desktops, their workstations/laptops are > daisy-chained through Polycom IP 501 phones to the switches. A few of > us, like myself, use two data ports (one for phone, one for our > workstation.) > > What lead up to this aside, here is the throughput I am seeing ala > RoboCopy while copying XP SP3 (316.43 MB) as a test subject: > > Via direct connection: Speed=131.192 MB/min, in 2:24m (meh) > > Via phone-chained: Speed=36.764 MB/min, in 8:36m (asolutely horrible) > > Via D-Link DGS-2205 switch: Speed=451.726, in 0:42m (WTH ?!) > > I'm currently stymied, and our telco provider isn't able to make heads > or tails of the issue. Everything is hard-coded for 100 Mbps / > Full-Duplex. > > Any ideas? TIA! > > -- > ME2 > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
