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Which Switches?

 
 
Joe Biadasz
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      11-05-2003, 02:06 AM
Along with our wireless network we are setting up, we are also setting up a
wired network as well..

This is what we decided. but what the diffference between the two? which one
should we get?
Both are from Dlink

24-Port High Performance Unmanaged Layer 2 Switch
http://dlink.com/products/?pid=73
Or
Express EtherNetwork 24-port 10/100Mbps Switch
http://dlink.com/products/?pid=75

The Lines connected to these switches will not have pc's connected to them
at all time. this will be installed in a hotel. I will be installing 80
total ports.



 
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Walter Roberson
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      11-05-2003, 02:51 AM
In article <(E-Mail Removed)>,
Joe Biadasz <(E-Mail Removed)> wrote:
:Along with our wireless network we are setting up, we are also setting up a
:wired network as well..

:This is what we decided. but what the diffference between the two? which one
:should we get?
:Both are from Dlink

:24-Port High Performance Unmanaged Layer 2 Switch
:http://dlink.com/products/?pid=73
:Or
:Express EtherNetwork 24-port 10/100Mbps Switch
:http://dlink.com/products/?pid=75

:The Lines connected to these switches will not have pc's connected to them
:at all time. this will be installed in a hotel. I will be installing 80
:total ports.

I have looked at the specs, and my recommendation as a LAN administrator
is that you choose a different model or different product. With
80 ports, I would strongly recommend using a managed switch instead
of an unmanaged switch. Managed switches make it MUCH easier to locate
errors in the network. If a guest is complaining that s/he is
having network problems, you don't want to be having to break out
the network test probe and go around to every wiring closet and monitor
for awhile -hoping- that the problem shows up. You want to instead be
actively monitoring the system for error reports and having monitoring
software that creates notifications (possibly pages) when there is
trouble on the network.


Looking at the specs of those two devices, it appears that one of them
has a module that can have two 100FX ports, which are used for fibre
optic connections to remote switches or routers. Fibre connections are
required if the switches are too far apart (more than 100 metres.)
The limit for 100FX is 2 km with regular multimode fibre. Built-in
fibre ports is not strictly required, as you can use a regular ethernet
port together with a "media convertor" -- but decent 100 Mbit/s media
convertors cost a few hundred dollars per pair.

Only one of those two DLink devices quotes any performance specification
that I could find: it says has a 4.3 Gbps backplane. The speed of
the other one is not rated. 4.3 Gbps is comparable to Nortel's
respected Baystack 470 [managed] switch, but is about half of Cisco's
(noticably more expensive) 3550 multilayer switch.


The fact that you are considering unmanaged switches for this project
suggests to me that you have not had an experienced LAN administrator
review the details. I would suggest to you that bringing in a
consultant to look over your proposed plans would be well worth the
money in the long run.
--
This signature intentionally left... Oh, darn!
 
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Joe Biadasz
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      11-05-2003, 03:06 AM
I have looked at the some of the managed switches. Problem I have with
setting up this network is cost.. I have been given a low budget. so far I'm
running around 2000 in equiptment, not to mention the normal pay my hotel
owner has to pay me to install all the jacks into the walls of the guest
room.

If it would be better I could cut out the wireless options as I was going to
install antennas and access points around the hotel as an extra amenity.

As for any other type of Managed switch what would you recommend that would
be decient and cost effective for the networking.. Also will be needing a
router that will be connected to a cable modem.
"Walter Roberson" <(E-Mail Removed)> wrote in message
news:bo9s3q$qq6$(E-Mail Removed)...
> In article <(E-Mail Removed)>,
> Joe Biadasz <(E-Mail Removed)> wrote:
> :Along with our wireless network we are setting up, we are also setting up

a
> :wired network as well..
>
> :This is what we decided. but what the diffference between the two? which

one
> :should we get?
> :Both are from Dlink
>
> :24-Port High Performance Unmanaged Layer 2 Switch
> :http://dlink.com/products/?pid=73
> :Or
> :Express EtherNetwork 24-port 10/100Mbps Switch
> :http://dlink.com/products/?pid=75
>
> :The Lines connected to these switches will not have pc's connected to

them
> :at all time. this will be installed in a hotel. I will be installing 80
> :total ports.
>
> I have looked at the specs, and my recommendation as a LAN administrator
> is that you choose a different model or different product. With
> 80 ports, I would strongly recommend using a managed switch instead
> of an unmanaged switch. Managed switches make it MUCH easier to locate
> errors in the network. If a guest is complaining that s/he is
> having network problems, you don't want to be having to break out
> the network test probe and go around to every wiring closet and monitor
> for awhile -hoping- that the problem shows up. You want to instead be
> actively monitoring the system for error reports and having monitoring
> software that creates notifications (possibly pages) when there is
> trouble on the network.
>
>
> Looking at the specs of those two devices, it appears that one of them
> has a module that can have two 100FX ports, which are used for fibre
> optic connections to remote switches or routers. Fibre connections are
> required if the switches are too far apart (more than 100 metres.)
> The limit for 100FX is 2 km with regular multimode fibre. Built-in
> fibre ports is not strictly required, as you can use a regular ethernet
> port together with a "media convertor" -- but decent 100 Mbit/s media
> convertors cost a few hundred dollars per pair.
>
> Only one of those two DLink devices quotes any performance specification
> that I could find: it says has a 4.3 Gbps backplane. The speed of
> the other one is not rated. 4.3 Gbps is comparable to Nortel's
> respected Baystack 470 [managed] switch, but is about half of Cisco's
> (noticably more expensive) 3550 multilayer switch.
>
>
> The fact that you are considering unmanaged switches for this project
> suggests to me that you have not had an experienced LAN administrator
> review the details. I would suggest to you that bringing in a
> consultant to look over your proposed plans would be well worth the
> money in the long run.
> --
> This signature intentionally left... Oh, darn!



 
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TC
Guest
Posts: n/a

 
      11-05-2003, 06:45 AM
"Joe Biadasz" <(E-Mail Removed)> wrote in
news:(E-Mail Removed):

> Along with our wireless network we are setting up, we are also setting
> up a wired network as well..
>
> This is what we decided. but what the diffference between the two?
> which one should we get?
> Both are from Dlink
>
> 24-Port High Performance Unmanaged Layer 2 Switch
> http://dlink.com/products/?pid=73
> Or
> Express EtherNetwork 24-port 10/100Mbps Switch
> http://dlink.com/products/?pid=75
>
> The Lines connected to these switches will not have pc's connected to
> them at all time. this will be installed in a hotel. I will be
> installing 80 total ports.
>
>
>
>


/\/\/\/\
Both of these are pretty much the same except that the first one ....
(the DSS-24+) allows you to plug in a 2 port fiber module (SC square
connectors). This would likely be of value for chaining these things
together if you can arrange fiber runs between locations (if they are
all together this wouldn't be necessary exceptto save port count but
that would depend on how close all 80 rooms are to a central location)

campbell
 
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Uncle Ken
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      11-05-2003, 01:59 PM
You can view a few fairly inexpensive managed switch options here:
http://www.provantage.com/buy-66MANF...s-shopping.htm

"Joe Biadasz" <(E-Mail Removed)> wrote in message news:<(E-Mail Removed)>...
> Along with our wireless network we are setting up, we are also setting up a
> wired network as well..
>
> This is what we decided. but what the diffference between the two? which one
> should we get?
> Both are from Dlink
>
> 24-Port High Performance Unmanaged Layer 2 Switch
> http://dlink.com/products/?pid=73
> Or
> Express EtherNetwork 24-port 10/100Mbps Switch
> http://dlink.com/products/?pid=75
>
> The Lines connected to these switches will not have pc's connected to them
> at all time. this will be installed in a hotel. I will be installing 80
> total ports.

 
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Walter Roberson
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Posts: n/a

 
      11-05-2003, 05:28 PM
In article <(E-Mail Removed) >,
Uncle Ken <(E-Mail Removed)> wrote:
:You can view a few fairly inexpensive managed switch options here:
:http://www.provantage.com/buy-66MANF...s-shopping.htm

I had a look, and noticed that most of those are Allied Telesyn,
with a small number from another brand I am unfamiliar with.

The category there is "Managed Fiber Switches"; there is probably
also a "Managed Switch" category that would have some useful information.

There are a lot of managed switches available; it can be difficult
to know which ones have good (working!) features and reliability for
the price.


Before buying a switch for a professional or commercial environment,
I would do some research into the support reputation of the company.

Inexpensive switches are often sold on thin profit margins that
are not conducive to responsive support.
--
Would you buy a used bit from this man??
 
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