3
votes
1answer
47 views

Determine what MAC addresses are connected to a given port on a Netgear GS724T via SNMP?

In looking through the output of an snmpwalk against our GS724T Netgear switch I was surprised that it doesn't list what MAC address(es) are connected and/or using a given port on the switch. This ...
1
vote
1answer
63 views

Screw size for Dell PowerConnect rack ears?

Does anyone know what the Screw size is (Thread and length) that Dell use on their PowerConnect Switches, to connect the ears to the switch? In particular the 6224 and 8224?
1
vote
2answers
261 views

24 Port Switch versus 4 x 8 Port Switch

While prices for switches in the end-customer sector are decreasing, I found that 24 port switches are much more expensive than multiple 8 port switches with the same speed. Are there any ...
0
votes
5answers
2k views

New office cabling: should we use CAT7 or CAT6a? [closed]

We are going to do the cabling in our new office building and we are thinking to lay down 10Gbit cables since we use HP switches that come with 10Gbit ethernet ports. We will also lay down few fiber ...
2
votes
1answer
61 views

May a low DRAM router be a bottleneck for a LAN?

I need to install a LAN that is a hybrid between a star LAN and a cascade LAN. There are two levels (I mean that the maximum number of link to go from the central switch to the most external switch is ...
2
votes
1answer
116 views

How to bind stackable switches

Let's say that I have a non modular switch, and that in future I might need to expand my LAN, connecting it to more switches. If I take stackable switches, physically how do I bind them? May I take a ...
1
vote
2answers
326 views

If I have computers linked through a switch, will they communicate directly? [closed]

If I have a network like: Group1 -> Switch -> Switch -> Server (configured as gateway by DHCP) Group2 -> Switch -----^ (Hope that makes sense...) When computers in each group send ...
1
vote
1answer
92 views

Combo ports and SFP

I have Netgear GSM7324s prosafe switch. Switch has 24x1G ports. 4 ports are labeled as combo ports while 2 are labeled as SFP ports. I connected 2 PCs (each having 1gig and 10Gig NICs), with the ...
4
votes
2answers
704 views

Network card or wiring causing physical damage to a switch?

About two weeks ago I replaced a switch because it had spawned a number of bad ports over the last year. Now, the new switch also has failing ports. Of course I'm looking into the environment. I've ...
2
votes
4answers
780 views

Can a switch be noise reduced?

We have a 24 port switch in a metal closet, and despite this, it still makes a great deal of noise. Are there ways to noise reduce switches?
1
vote
2answers
187 views

Internet access for a number of diffirent VLAN's

There is about 60 UTP cables coming from some different offices into a server room. Every cable could be lead to a single computer or the unmanaged network switch. I need to give them all an ...
0
votes
1answer
275 views

Rack Mount for a 3Com 4210 switch

Does anyone know where I can get a rack mount kit for a 3Com 4210 9 port switch. Needs to fit into a 19" rack
2
votes
3answers
172 views

How do I know if an off the shelf switch is vlan capable?

I have a managed switch that handles the vlan config. VoIP phones run on one, everything else on another. I need to buy some off the shelf switches due to the difficulty of adding another drop in some ...
2
votes
1answer
339 views

Need a dumb switch or a smart hub

So here is my goal. I have a number of interfaces that I want to use to playback recorded traffic. I also have a number of interfaces that I want to use the listen to the recorded traffic. I'd like ...
1
vote
4answers
733 views

CISCO 3550 HW Crash

were facing 5 Cisco CAT 3550 crashes now, we send out configuration to 3rd party company CISCO Gold partner and did environment power checking with the server site, no clue as yet what would be the ...
45
votes
12answers
3k views

What should I pay attention to when I'm buying a network switch?

Since I'm not a hardware expert, I don't know what features make a network switch a good network switch. What should I pay attention, when I'm comparing the different models from different vendors?