[c-nsp] 7301 - copper vs fibre port throughput

[Sigurbjörn Birkir Lárusson]

Can we have a look at

sh mls qos int fa.... queue


For the FastEthernet port on that 3750

Kind regards,
Sibbi

On 1.9.2014 13:01, "Tom Storey" <tom at snnap.net> wrote:

>Yes.
>
>But per my original email, even when autoneg'd at 100/full he could
>only pull 25 or so mbit through a 100mbit link.
>
>If it can push 500-600 with a gigabit port, why cant it push 100mbit
>on a 100mbit port?  Thats my question. :-)
>
>On 1 September 2014 13:58, Lee <ler762 at gmail.com> wrote:
>> On 9/1/14, Tom Storey <tom at snnap.net> 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 <lukasz at bromirski.net> wrote:
>>>>
>>>> On 31 Aug 2014, at 23:00, Tom Storey <tom at snnap.net> 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:lbromirski at jabber.org
>>>>  about."               John von Neumann |
>>>>http://lukasz.bromirski.net
>>>>
>>>
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