On 9/1/14, Tom Storey <[email protected]> wrote: > > The other end was a Cisco 3750 switch. Originally just a straight > copper patch, but with only 10/100 ports on the 3750 it autoneg'd at > 100/full on both ends just fine
>>> After moving the ISP link over to fibre, the throughput shot up to >>> 500-600mbit (NATed.) fibre port is 1Gb, right? Lee > > They are happy with the fibre uplink and will leave it that way. I was > hoping someone might have been aware of some kind of obvious > limitation of the copper ports or something. > > > On 31 August 2014 22:39, Łukasz Bromirski <[email protected]> wrote: >> >> On 31 Aug 2014, at 23:00, Tom Storey <[email protected]> wrote: >> >>> Hi all. >>> >>> Been watching a thread on a forum where someone using a 7301 was >>> suffering rather lousey speeds through a 7301 when using an onboard >>> copper port between him and his ISP - only able to obtain about 25mbit >>> or so of throughput (all traffic NATed.) >>> >>> After moving the ISP link over to fibre, the throughput shot up to >>> 500-600mbit (NATed.) >>> >>> Theres not much room for playing around with the setup at this stage, >>> but does anyone have any ideas why this might be so? >>> >>> The onboard ports are all gigabit as far as I know, whether or not you >>> use copper or fibre, and the copper port augo negotiated at 100/full >>> with the remote device so I cant think of a reason for the disparity. >> >> And how was the fiber connected on the other end? >> >> It looks like problem with the autonegotiation. Or maybe flow >> control - is the remote device using fiber natively and going >> to copper through some intermediate converter? Those can cause >> such problems also. >> >> We need way more info to get this through troubleshooting. Or maybe >> they should involve TAC? >> >> -- >> "There's no sense in being precise when | Łukasz Bromirski >> you don't know what you're talking | jid:[email protected] >> about." John von Neumann | http://lukasz.bromirski.net >> > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
