All Questions
10
questions
3
votes
2
answers
162
views
Industrial Ethernet network design
looking for some advice on network architecture for an industrial switchroom with several constraints.
Modbus TCP devices are located in motor control centre cells, these need to connect to the ...
- 31
1
vote
1
answer
58
views
IP/Device Question
I am very new to this field and I want to ask a quick question about IP/Device HTTPS.
When we type in the IP address of the device (cisco switch, router, firewall, etc), we can access to the web ...
- 13
1
vote
1
answer
839
views
Where to plug the Firewall into the SFP or a normal port?
I have a Cisco SG220 and a ZyXel USG20 firewall appliance. I'm new to the SG220 and SFP ports in general. Where is the optimal place to plug in the Firewall to the Switch. Normally I would just plug ...
- 113
0
votes
1
answer
48
views
What decides the Bit Rate on a channel/link?
Could someone please help me with this doubt I have regarding how the Bit Rate is decided for a network/link because for the maximum bit rate one need to be aware of the channel/link bandwidth,right?...
- 127
4
votes
3
answers
23k
views
Whats the difference between VTP and DTP
I am preparing for CCNA and i came across both VTP and DTP. It seems confusing. Are they both trunking protocols to trunk interfaces? But the modes are different for each. Can someone explain how they ...
- 95
5
votes
2
answers
362
views
Bridging LAN networks privately in office environment
I've begun looking into network bridging, must most of it is witchcraft for me so far. I currently have the following setup:
I use PC 1 as my development station and PC 2 as a deployment/test station....
- 53
15
votes
3
answers
29k
views
How does a switch know where to route packet, when there is another switch in front of the destination?
I am just wondering how a switch does know how to route packets to destinations "hidden" behind another switch.
In my understanding a switch has a table that maps each of its hardware ports to exactly ...
- 253
0
votes
1
answer
696
views
Small office network - overload problem [closed]
Dear fellow network engineers,
One of my friends has asked me to help him with his small office network.
It's a small accounting firm that has about 5 PC (desktops and laptops). They also have a 4TB ...
1
vote
3
answers
220
views
New Small Business, New IT Engineer, Need help on design and hardware
I've recently helped my friend start his business and now he wants me to take control of the IT side of things, I graduated university recently so my experience isn't so great, I was wondering if you ...
- 11
8
votes
1
answer
3k
views
Something is filling my force10 ARP table
I have 2 force10 s25 switches that are used for a dark fiber link between two school buildings. One of my switches is filling its ARP table to the brim and then failing. This can happen as often as ...
- 852