Questions tagged [collision-detection]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
115 views

High collision count on a specific switch port for security cameras

I am getting a lot of collisions reported from my switch on a specific port. The port in question is where our security camera DVR connects to our LAN. The port is set to auto-negotiate the speed. Is ...
Dr_Xunil's user avatar
  • 336
0 votes
1 answer
3k views

Maximum length for an ethernet cable

I was reading a similar question about cables here which claimed the max length you'd be able to use a CAT5 ethernet cable at would be 2.5km. Is there a rating of ethernet cable that would work well ...
haxonek's user avatar
  • 11
0 votes
1 answer
938 views

Managing filenames collisions while merging folders (linux)

I'd need a sort of syncing sw to perform bidirectional (recursive) merging of folders. Say I have 2 folders A and B. Folder A contains files : 1, 3, 5 and 7. Folder B contains files : 1, 2, 3 and ...
GattoVizzato's user avatar
1 vote
2 answers
405 views

Is a trunk switchport multiple collision domains for all its individual device switchports?

All devices on a switch belong to the same broadcast domain but each switchport is its own collision domain. As a result they operate in full duplex with no need to sense traffic. Assume a simple non-...
Willie's user avatar
  • 101
1 vote
1 answer
3k views

Why are there distance limitations on CSMA/CD? [closed]

I understand that one of the reasons is that ue to the effects of attenuation the collision detection mechanism is not effective beyond 2500 metres (1.5 miles). Segments cannot sense signals beyond ...
Rowana Ravenclaw's user avatar
31 votes
3 answers
125k views

Maximum length of Ethernet over CAT5

As part of my course I’ve been reading the paper Ethernet: Distributed Packet Switching for Local Computer Networks. I understand that “classic” Ethernet (over coaxial cable) has a maximum length of ...
user avatar
4 votes
1 answer
8k views

Collisions in CSMA/CD Ethernet

I am confused about collisions in CSMA/CD Ethernet. When would a jam signal be sent? Why are jam signals sent? If two simultaneous packet transmissions interfere with each other, the two transmitting ...
Baran's user avatar
  • 305
1 vote
1 answer
5k views

how does a NIC actually detect a collision when using CSMA/CD?

I understand that a network card detects collisions because their signal has a higher amplitude than normal signals. But why is that signal of higher amplitude? For example, say we have the simplest ...
Claudiu's user avatar
  • 635