[c-nsp] switch with 2x 10GBASE-T interfaces

[Nikolay Shopik]

Martin,

Yes, you right, my mistake, we are using C3KX-NM-10G, and at time when 
we bough it there no C3KX-NM-10GT modules, so I automatically think them.

You probably won't able to do so, because we even had problems with size 
of regular SFP(not rj45) on C3KX-NM-10G, so we had to replace them from 
different company. And from what I see sfp on 3750X-24S-S sit to each 
other very closely same as on C3KX-NM-10G.

Can't say anything about 4900 series.

On 02.10.2011 5:33, Martin T wrote:
> Nikolay,
> I'm afraid you are confusing this with C3KX-NM-10G module. Check the
> table 3. C3KX-NM-10GT module is strictly 2x 10GBASE-T RJ45 ports(image
> of the C3KX-NM-10GT: http://mcaf.ee/0bjty).
>
> In general, "WS-C3750X-24S-S + C3KX-NM-10GT" seems to be a perfect
> solution. WS-C3750X-24S-S has an "IP Base" image, which is enough
> because I don't need advanced L3 features like EIGRP, OSPF, BGP and
> IPv6 routing provided by "IP Services". WS-C3750X-24S-S is easily
> upgradable thanks to StackWise Plus and StackPower technologies.
> Supports dual redundant power supplies and in overall is a nice 1U
> feature-rich switch according to specifications.
>
> Just one hesitation with WS-C3750X-24S-S..is it possible to insert
> 1000BASE-T SFP's to first 22 ports(I would use last two SFP ports for
> 1000BASE-LX10 SFP's)? I mean 1000BASE-T SFP's have RJ45 connector
> which is bit bulky and I'm not sure if it's possible to physically
> insert 1000BASE-LX10 SFP's besides each other? Any experience with
> this?
>
>
> In addition, as I checked the 4900 series as well, do built in X2
> ports(the ones in the chassis http://mcaf.ee/us1dt) in 4900M support
> "TwinGig Converter Module"? According to documentation they don't. Any
> experience with this?
>
>
> regards,
> martin
>
>
> 2011/10/1 Nikolay Shopik<shopik at inblock.ru>:
>> Martin,
>>
>> C3KX-NM-10GT allow you to install only two 10Gb SFP+ or 4 1Gbit SFP, or just
>> ony 10Gbit SFP+ plus 2 1Gbit SFP. You can take look here
>> http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6406/data_sheet_c78-584733.html
>> at table 4.
>>
>>
>>
>> On 30.09.2011 23:44, Martin T wrote:
>>>
>>> Alan, Arne:
>>>
>>> WS-C3750X-24S-E + C3KX-NM-10GT seems to be a perfect solution!
>>>
>>> WS-C3750X-24S-E has 24 SFP ports so one could use 12 1000BASE-T SFP's
>>> + 2 1000BASTE-LX10 SFP's and C3KX-NM-10GT module provides two
>>> 10GBASE-T ports so all the requirements seems to be fulfilled.
>>>
>>>
>>> Jim,
>>> I'm afraid WS-C4928-10GE would not suite because two 10GBASE-T ports
>>> are must-have. If there would be 10GBASE-T X2 modules available, this
>>> switch would be a nice option.
>>>
>>>
>>> Kevin,
>>> if possible, I would prefer Cisco.
>>>
>>>
>>>
>>> What do you think about "WS-C3750X-24S-E + C3KX-NM-10GT" solution? In
>>> addition, are there 10GBASE-T SFP+ modules available on the
>>> market(Cisco or third-party)?
>>>
>>>
>>> regards,
>>> martin
>>>
>>>
>>> 2011/9/30 Kevin Loch<kloch at kl.net>:
>>>>
>>>> Martin T wrote:
>>>>>
>>>>> Is there a Cisco switch(non-modular preferably) which fulfils those
>>>>> requirements:
>>>>>
>>>>> 1) 12 or more 1000BASE-T ports
>>>>> 2) 2x SFP port for 1000BASE-LX10 SFP's
>>>>> 3) 2x 10GBASE-T ports(for IBM 10Gb iSCSI Host Interface Card 81Y9613,
>>>>> which has two 10GBASE-T interfaces)
>>>>
>>>> It's not Cisco but Dell 6248 does have a 2 port 10Gbase-T module
>>>> option.  The onboard SFP ports will accept any generic 1G SFP's
>>>> (for your LX10 optics).
>>>>
>>>> - Kevin
>>>>
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