Re: (PM) Slow throughput

Jason Hatch (zone@berkshire.net)
Sat, 13 Jun 1998 11:53:43 -0400 (EDT)

That periodic hang may be a result of retrains. You can telnet into the
PM3 and show the modem you're on to see how many errors or retrains its
had.

-Jason

On Fri, 12 Jun 1998, Joe Hartley wrote:

> Robert Hough (rch@iserve.net) wrote:
> > I was just wondering if anyone has noticed any slow, or sluggish throughput
> > with the pm3 when connected via modem? I've had a few people complain that
> > it 'feels' slower than when they connect to our pm2 & mp16's... Connect
> > rates are high, and seem very stable.
>
> I had a chance to experience this firsthand today when I was at a client's
> site. I had dialed in to check email, and my first thought was "cool,
> 45K! This is great!" It was so damn slow that it felt like 2400bps!
>
> Not all the time - it seemed very "bursty". I went to our website and
> watched what happened. I'd be pulling down images at 5.5Kb according to
> Netscape, then boom - nothing for 5, 10, 15 seconds, then the data would
> start up again.
>
> This was with a USR V.90 Sportster and ComOS 3.8b15.
>
> This has also been reported with a V.90 Global Village modem and a
> Zook 56K v.90.
>
> Collisions on the network, which had been mentioned, seem a little high...
> pm3> sho netstat
> Name Ipkts Ierrs Opkts Oerrs Collis Resets Queue
> ether0 1136566 9 982822 0 22359 0 0
>
> ...but the 2 PM2's on the same network don't bog down at all, even the one
> with the 2 5-BRI cards.
>
> I'll probably call this in as a bug on Monday, but I'd be curious to hear
> if anyone else has seen this, and especially if they've solved it!
> Unfortunately, dropping back to a non-V.90 ComOS isn't really an option;
> the people who are beta testing the PM3 would howl if the V.90 support was
> yanked, though we may have to do that before it all goes live to the whole
> customer base unless there's a new beta before then that's less problematic.
> (No, that's not a slam, or even a poke - I know it's beta code, and am willing
> to wait. I would, however, be in the crowd that would appreciate the
> occasional "here's what we're working on now" update.)
>
>
> ========================================================================
> Joe Hartley - jh@brainiac.com - brainiac services, inc
> PO Box 5069 : Greene, RI : 02827 - vox 401.539.9050 : fax 401.539.2070
> Without deviation from the norm, "progress" is not possible. - FZappa
> -
> To unsubscribe, email 'majordomo@livingston.com' with
> 'unsubscribe portmaster-users' in the body of the message.
> Searchable list archive: <URL:http://www.livingston.com/Tech/archive/>
>

-
To unsubscribe, email 'majordomo@livingston.com' with
'unsubscribe portmaster-users' in the body of the message.
Searchable list archive: <URL:http://www.livingston.com/Tech/archive/>