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With 100 byte pings?
—–Original Message—– From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Farrukh Haroon Sent: Thursday, August 28, 2008 10:20 AM To: groupstudy email Cc: Joseph Brunner; ccielab@groupstudy.com Subject: Re: Very Strange Issue
Could be a MTU related issue.
Regards
Farrukh
On Thu, Aug 28, 2008 at 5:15 PM, groupstudy email wrote:
> Actually, I misspoke. The users are all thin clients. They are using > citrix. > Thanks > > On Thu, Aug 28, 2008 at 10:13 AM, Joseph Brunner >wrote: > > > >Users in site B keep experiencing slowness and loss of connectivity to > all > > >services,(email, network drives, surfing). > > > > Let me get this straight… > > > > You are mapping users to “shared drives” over a 768k line, and > > > > YOU ARE WONDERING WHY ITS SLOW??? > > > > it would be slow over a T-1!!!! > > > > First, get more bandwidth… cifs & netbios are VERY CHATTY protocols… > > > > more chatty than your girlfriend telling you about her day at work… > > > > They need lots of bandwidth and or a Riverbed appliance to work well on > > slow > > speed wans (i.e. slow speed under 10Mbps), and even then they are not > > perfect. On 768K they would be absolutely Les Miserable… > > > > I ran a 50+ site wan with slow speed links using all these services, > email, > > fs, etc… > > > > >Two pings work, three don’t, two don’t, three do. > > > This is true for any windows server in the network. > > > > Perhaps complete saturation of the line… do your users run limewire, > etc. > > and download and share mp3’s? Time to break out wireshark… here we go > > > > Once we do that, lets look at the setup of this vpn to make sure its > good. > > Post your configs (hub and site b router) for us. We’ll look at. > > -Joe > > > > —–Original Message—– > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of > > groupstudy email > > Sent: Thursday, August 28, 2008 9:57 AM > > To: ccielab@groupstudy.com > > Subject: Very Strange Issue > > > > Hello All, > > I have a VPN tunnel between two cisco routers (site A hub side, site B > > remote side). The remote side is a 768K DSL line. > > > > Users in site B keep experiencing slowness and loss of connectivity to > all > > services,(email, network drives, surfing). While troubleshooting, we > issue > > pings from their machines to the various servers in remote networks. > Ping > > results are inconsistent. Two pings work, three don’t, two don’t, three > > do. > > This is true for any windows server in the network. > > > > Pings to any Cisco device from the same user machine work completely. No > > packet loss at all. > > > > I have never seen this before. Any idea why this happens? > > > > I have remote connectivity to all devices at site B, it’s just slow. > > > > Thanks! > > > > > > Blogs and organic groups at http://www.ccie.net > > > > _______________________________________________________________________ > > Subscription information may be found at: > > http://www.groupstudy.com/list/CCIELab.html > > > Blogs and organic groups at http://www.ccie.net > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html
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