All Questions
154
questions
0
votes
2
answers
58
views
Is it possible that not adhering to a standard color coding in ethernet cables would affect performances?
I have two gigabit devices connected to a gigabit switch using cat 5e ethernet cables, but the wirings on the RJ45 connectors do not respect any of the established color standards, because they were ...
- 101
0
votes
1
answer
60
views
Do unmanaged switches automatically do bonding/multi-link? [closed]
If i have 2 cheap unmanaged non-smart consumer level switches such as "Netgear GS308", do they support having 2 cables between them, and effectivly having 2gbit transfer between them? or ...
- 103
1
vote
1
answer
139
views
Are integrated networking devices, frequently called routers, of the switch type or of a router / NIC type?
Odom,Wendell-_CCNA_200-301_Official_Cert_Guide,_Volume_1.pdf :
many SOHO Ethernet LANs today combine the router and switch into a single device. Vendors sell consumer-grade
integrated networking ...
- 113
0
votes
0
answers
97
views
I can no longer access my Dell EMC N1124T-on through its GUI interface
We configured and set up our Dell EMC with a Putty interface first and went through the Set up wizard and gave it a static IP. Then joined it to our network and Deployed it into our IDF. Accessed it ...
- 1
1
vote
2
answers
536
views
What components of a network switch qualify as ASICs?
While studying for CCNA, I came across the information that in a network device, say a switch, the CPU is responsible for the control and management planes work, while the actual data forwarding is ...
- 301
0
votes
1
answer
65
views
What is an Ethernet Network Switch Port
I am trying to understand what an Ethernet Switch internally considers a single port.
My current understanding is that when a seller advertises an Ethernet Network Switch, like the one below, has five ...
- 103
0
votes
1
answer
64
views
Ethernet Basics - Switch Fabric, Managed Ethernet Switch & Virtual PHY terminology
I'm a new member to this community.
I've just started to learn and practice on working with LAN Ethernet PHYs, Switches and other ICs related to Ethernet.
However, I've a few questions where I couldn'...
- 105
0
votes
1
answer
177
views
Switch with 100Mbit and 1Gbit ports - using its full capacity
There are switches with mixed-speed ports, usually 24x100Mbit + 2xGbit, looking something like this: .
How are these different-speed switches internally connected? The point is, can you use multiple ...
- 3
1
vote
1
answer
882
views
MAC address table and frame forwarding on Layer 2 switches - question about when two computers are connected via hub to same switch port
My apologies if this is not the right forum to ask this, but I am a newbie when it comes to networking. I am currently going through the CISCO Networking Essentials course, and one of the Activities ...
- 125
3
votes
2
answers
454
views
Is there an equivalent of the Cisco/ Cisco esque command "ip helper-address a.b.c.d" on Mellanox switches?
Apologies for my newbie question. I have recently had a Mellanox switch added to the mix. I was using an "IP helper-address" to forward DHCP requests in different VLANs to my DHCP server(s) ...
- 33
0
votes
0
answers
29
views
Why collision domain occurs in hubs but not switches [duplicate]
if anyone knows the actual point and in depth answer to my question please help. the links in the comments didn't helped at all
Most of the websites which i saw are just vaguely saying that collision ...
- 101
2
votes
1
answer
139
views
If one of hub is damaged,will it cause others hub damage too?why can't i enable the rapid dual homing
There is a multi-ring topology, combined with 8 Hubs and 2 switches, i want to ask two questions
1. If H3 is damaged,but the fiber is still ok, will H2 damage too in the future? i have thinking to ...
- 91
0
votes
0
answers
22
views
What is preamble in ethernet frame and why is it used? [duplicate]
I've searched all over the internet and every say that it synchronize the receiver clocks. What does that mean?
Also I've seen another definition that preamble gives NIC time to realize a frame is ...
- 107
0
votes
3
answers
576
views
Does duplex depend on the cable or the interface?
I wanted to know what made a Duplex system work? I always thought it was the Switch that made it work. But I just read on my Cisco course 2 things that made me question it.
It said this, and made me ...
2
votes
2
answers
653
views
Connecting two HP 2910al Switches using SFP to get 2Gb/s speed
I would like to Connect my two HP 2910al switches using SFPs to get a maximum of 2G links.
is this possible, and how?
I want to make both of them to use the IP address (ex 192.168.2.xxx).
I have the ...
- 27