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8 votes
3 answers
7k views

Does Ethernet still use CSMA/CD?

1 vote
1 answer
161 views

If the router is a Layer 3 device, does it even support Layer 2 forwarding (like a switch does)?

0 votes
1 answer
2k views

How to connect GNS3 to loopback adapter on Windows 10

1 vote
1 answer
2k views

How are required Keys inside MACSec Key agreement protocol (MKA) generated?

1 vote
1 answer
173 views

replace analog phone with VoIP door box over 2-wire Ethernet?

3 votes
5 answers
1k views

What is the difference between Ethernet types, considering bandwidth?

0 votes
2 answers
611 views

Connecting L3 and L2 switches with VLAN settings

1 vote
1 answer
2k views

Creating a distributed ethernet using a single mode fiber ring

1 vote
2 answers
92 views

Practical importance of bonding and grounding Ethernet cables in IP camera installations

3 votes
3 answers
265 views

Wifi solution to connect two warehouses on to same network

4 votes
5 answers
1k views

In a network operating on layer 3 of the OSI model, why is the destination MAC address needed if the target host is in another network?

6 votes
1 answer
599 views

How does a multirate SFP work?

9 votes
2 answers
7k views

Ethernet's frame format, length or EtherType?

0 votes
2 answers
2k views

Pins #6 and #8 of my CAT6 ethernet cable are broken. Should I replace the entire cable or is it usable?

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