[Mikrotik] Connection pauses?

Jon Auer jda at tapodi.net
Tue Sep 28 12:57:54 CDT 2010


Correct: http://en.wikipedia.org/wiki/Ethernet_physical_layer#Ethernet_minimum_cable_lengths

I'm using silver satin cable for 3 inch ethernet patch in a tight
space situation. Works.
Standards have to be conservative. That doesn't mean you can't work
with less in some situations if you've tested it. :-)

On Sun, Sep 26, 2010 at 6:34 PM, Scott Reed <sreed at nwwnet.net> wrote:
>  That is the IEEE standard for 10Base-T.  I don't think it changed with 100
> or Gig.
>
> On 9/26/2010 1:21 AM, RickG wrote:
>>
>> Is that an MT thing? I'd like to know more about that since I have seen a
>> bunch of 1' jumper all over the place.
>>
>> On Sun, Sep 26, 2010 at 1:12 AM, Christopher Tyler<chris at mowisp.com>
>>  wrote:
>>
>>> I know that there is a specified minimum cable length for CAT5 cables.
>>> Some
>>> sources say 3ft some say 7.5ft.  Have you tried a longer cable?
>>>
>>> Christopher Tyler
>>> Total Wireless Communications, LLC
>>>
>>>
>>> On 09/26/2010 12:02 AM, Bill Prince wrote:
>>>
>>>> Locking them both to 100BaseT FDX did not fix it
>>>>
>>>> Since they're both gigabit, maybe I should lock them to 1000BT?
>>>>
>>>> bp
>>>>
>>>>
>>>> On 9/25/2010 9:26 PM, Bill Prince wrote:
>>>>
>>>>> No they are not. Would not expect them to flap, especially MT-to-MT.
>>>>> Also, both sides are showing 100 FD all the time. Just the same, it's
>>>>> worth a shot.
>>>>>
>>>>> Cables on this are very short. 1 footers, because the units are right
>>>>> next to one another.
>>>>>
>>>>> bp
>>>>>
>>>>>
>>>>> On 9/25/2010 7:25 PM, RickG wrote:
>>>>>
>>>>>> Are the ethernet ports locked down to 100Mbps?
>>>>>>
>>>>>> On Sat, Sep 25, 2010 at 9:04 PM, Bill Prince<
>>>>>> part-15 at skylinebroadbandservice.com>  wrote:
>>>>>>
>>>>>>  That sounded like a good idea, so I made both (the RB433 and the
>>>>>> RB450)
>>>>>>>
>>>>>>> arp entries static. No help.
>>>>>>>
>>>>>>>
>>>>>>> bp
>>>>>>>
>>>>>>>
>>>>>>> On 9/25/2010 5:33 PM, Mike Lyon wrote:
>>>>>>>
>>>>>>>  Sounds like you are losing an arp entry somewhere. What backhaul
>>>>>>>>
>>>>>>>> radio are
>>>>>>>> you using? I've seen this behavior with ubnt before...
>>>>>>>>
>>>>>>>> -mike
>>>>>>>>
>>>>>>>> On Sep 25, 2010 5:20 PM, "Bill Prince"<
>>>>>>>> part-15 at skylinebroadbandservice.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>> Let me correct that. When I was at the remote site, I plugged my
>>>>>>>> laptop
>>>>>>>> into ether5, and it seemed normal. I put "enough" of the basic
>>>>>>>> config
>>>>>>>> into
>>>>>>>> it so that I could access it from the NOC.
>>>>>>>>
>>>>>>>> It's when I kept getting disconnected from it (from the NOC) that I
>>>>>>>> resorted
>>>>>>>> to logging into it from the adjacent backhaul radio. When I'm SSHed
>>>>>>>> into
>>>>>>>> it, I don't get disconnected, but I get these pauses. Sometimes
>>>>>>>> short,
>>>>>>>> sometimes long.
>>>>>>>>
>>>>>>>> I can actually run Winbox on it, as long as I have the SSH running
>>>>>>>> the
>>>>>>>> outbound ping.
>>>>>>>>
>>>>>>>>
>>>>>>>> bp
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On 9/25/2010 4:55 PM, Bill Prince wrote:
>>>>>>>>
>>>>>>>>  Don't know. This is a remote POP, and there are 3 ...
>>>>>>>>>
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>
> --
> Scott Reed
> Owner
> NewWays Networking, LLC
> Wireless Networking
> Network Design, Installation and Administration
> Mikrotik Advanced Certified
> www.nwwnet.net
> (765) 855-1060
>
>
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