While I agree with Don, it might prove instructive to put a couple of NICs in a desktop/laptop and bring up a *nix in bridging mode with wireshark running, and see if there's anything else going on. You're probably going have to do it at a couple of different points in the chain, though.
On Sun, Jan 25, 2009 at 12:54 PM, Micheal Espinola Jr <[email protected]> wrote: > Good good... its always nice to hear some affirmation from someone > like yourself. Thanks Don! > > -- > ME2 > > > > On Sun, Jan 25, 2009 at 3:49 PM, Don Ely <[email protected]> wrote: >> Sure sounds like rate limiting... >> >> On Sun, Jan 25, 2009 at 12:47 PM, Micheal Espinola Jr >> <[email protected]> wrote: >>> >>> 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/> ~ >> >> >> >> > > ~ 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/> ~
