Linux-User #280138 with the Linux Counter, http://counter.li.org/
05-16-2011, 06:29 PM
Seth Mattinen
NIC 1000Base-SX needed
On 5/16/2011 11:19, Michelle Konzack wrote:
> Hello Sven Hartge,
>
> Am 2011-05-16 18:04:19, hacktest Du folgendes herunter:
>> It _is_ MTRJ. I just went to our stack of decommissioned 49xx here and
>> compared the part number Michelle gave for the addon module.
>>
>> Quite common 10 years back, but mostly out of use today.
>
> Are there PCI-X NICs available?
>
Why not just get some MTRJ to LC/ST/SC cables?
~Seth
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05-16-2011, 06:40 PM
Michelle Konzack
NIC 1000Base-SX needed
Hello Andrew Miehs,
Am 2011-05-16 16:57:32, hacktest Du folgendes herunter:
> Stupid question, why don't you just use the front ports on the 3Com
> 4924?
> It should have 24x 10/100/1000 TX ports according to Google - and
> just ignore the SX ports on the back of the switch?
> BTW - it looked like the switch uses "LC" connectors.
Because I have from the 4924 only two and all 24 ports alredy used.
The other Switches are 4400 and 4400SE (10/100 MBit, all 24 ports) but I
need an upstream to the Router with Gbit.
The 4port 1000Base-T would be this one
http://cgi.ebay.de/ws/eBayISAPI.dll?ViewItem&item=370509522820
but I need also the small one for the 4400
Thanks, Greetings and nice Day/Evening
Michelle Konzack
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Linux-User #280138 with the Linux Counter, http://counter.li.org/
05-16-2011, 08:23 PM
Henrique de Moraes Holschuh
NIC 1000Base-SX needed
On Mon, 16 May 2011, Michelle Konzack wrote:
> I need only six 1000Base-SX ports in ONE ROUTER.
> (prefered Duap-Port NICs)
It is a software router? And you want it to route 12Gbps? I thought
you wanted to plug a bunch of servers on a 1000Base-SX switch.
You better not expect a lot from that box, unless you're willing to
really go very far (at which point you're strongly encouraged to just
buy a Cisco or juniper *hardware* switch-router).
It is not the throughput, it is the PPS workload that will kill it. You
really don't use software routers with normal hardware for anything
above 1Mpps (and even that requires a seriously modern multi-core
server, which won't come cheap and can actually be far more expensive
than a small switch-router).
You're also likely to need kernel 2.6.38, but YMMV.
At least get three i82576 cards. You will need intelligent interrupt
mitigation, and horizontal (per-core) scalability. Do not virtualize,
and prepare yourself for some serious kernel (and NIC) tuning.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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05-16-2011, 08:27 PM
Seth Mattinen
NIC 1000Base-SX needed
On 5/16/2011 13:13, Michelle Konzack wrote:
> Hello Seth Mattinen,
>
> Am 2011-05-16 11:29:16, hacktest Du folgendes herunter:
>> Why not just get some MTRJ to LC/ST/SC cables?
>
> Ehm?
>
> Because my Router has curreently only Eth Nics and
> need 1000Base-SX plus some preconfigured cables?
>
I assumed you were asking if PCI-X NICs with MTRJ were available based
on the quoted response. They are probably not. 1000Base-SX has nothing
to do specifically with MTRJ.
~Seth
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05-16-2011, 10:01 PM
Henrique de Moraes Holschuh
NIC 1000Base-SX needed
Not to mention any box which still bothers with PCI-X will likely be too old
to route a lot of gigabit ethernet traffic, anyway.
All high-performance GBE NICs are PCIe v2.0 anyway, and you'll want a
v2.0 x4 slot for dual-port GBE.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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NIC 1000Base-SX needed
