All Questions
9
questions
0
votes
0
answers
31
views
Why are connected switches not a good substitute for the network layer? [duplicate]
Unless I am missing something, because switches can be chained together, I am not sure why the network layer is needed. Theoretically, one can dedicate a frame to any MAC address, and assuming there ...
- 109
8
votes
6
answers
5k
views
How Does A Layer 2 Switch Differentiate Between Different Networks?
I know that different IP-based networks can be connected to the same layer-2 switch. and I know each network's nodes can communicate just fine, however, no normal traffic can occur between two nodes ...
- 285
0
votes
3
answers
346
views
Propagating Static MAC Addresses
I have a situation where I need to place a static MAC on a switch as the server in question does not generate any outbound traffic. This static MAC seems as if it will work for hosts on the same ...
0
votes
1
answer
42
views
Broadcast Timer [duplicate]
This question is regarding in the process of L2 MAC Address learning.
As we know, if a sender sends a packet to some receiver host which switch doesn't know, it will broadcast for learning.
Assume an ...
user60007
6
votes
2
answers
495
views
How to connect a special device in a network
I have a question which is puzzling me.
I have a couple of custom electronic devices (are identical, one is a master and the other is a slave) which implement only up to level 2 of the ISO/OSI layer, ...
- 61
1
vote
1
answer
525
views
Frame transfer from one switch to another configured with VLANS
Hi,
My question is related to the Vlan. And this question would consist of 2 parts.
1)Would Switch 1 know all the devices present in Vlan 2 or Vlan 3, including the ones present in the Switch 2.
...
- 405
3
votes
2
answers
4k
views
What is the difference between CAM and FIB table?
As far I know,
CAM table is Content Addressable Memory table where MAC address is stored
FIB table is Forward Information Base table which is a dynamic table that maps MAC addresses to ports.
Both ...
- 613
1
vote
2
answers
2k
views
Why does a switch have different MAC addresses?
I am working with Cisco Nexus 3000 switch. I was under the assumption that a switch will always have a single MAC address but when I ran the following command, it displayed two different MAC addresses ...
- 581
8
votes
2
answers
13k
views
Why each and every single port on Layer 2 switches need to have it's own MAC address?
A switch doesn't alter the frame, and source/destination mac addresses remain how sending host specified them,so let me say it again Layer 2 Switching never changes the frames means no changes in MAC ...
- 435