All Questions
86
questions
1
vote
2
answers
3k
views
HP 1910 disable layer 3 mode
Is there a way i can make HP 1910 works in layer 2 mode.
I check the web interface but not seeing anything
Also i enable the cli and went to system view but not seeing any thing related no ip routing ...
- 17
-2
votes
1
answer
422
views
Layer 2 switch and VLAN [closed]
how to configure switch to do tagging and untagging of VLAN's?
what do the different 802.1q VLAN tag mode: bypass C-TAG, port isolation and .1q mean?
explain how will the VLAN's be tagged or untagged ...
- 69
2
votes
1
answer
592
views
How can a telecommunications carrier convert his layer 3 transmission network to layer 2 at client site?
Ok, my company has three telco providers, each telco provides data links from the central site to different remote sites. Telco provider 'A' provides layer 2 "dedicated" fiber optic links from the ...
- 149
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
5
votes
2
answers
656
views
Network topology suggestions?
Looking for guidance on network topology changes. Currently our network has 2 different stacks of switches running in layer 2. These switches then connect to a stack of layer 3 switches to do internal ...
- 453
2
votes
1
answer
450
views
To connect 3 LAN to a switch
I have to connect three LAN networks to a node through 24 fiber FO cable. The node contains three different networks a PLC,a security system, a CCTV network. Should I go for three separate CISCO ...
- 21
2
votes
1
answer
648
views
Cisco ME3x00 - QoS for layer 2 trunks
I have some ME3800's running 15.3(3)S which aggregate layer 2 circuits from customers. They all have a similar configuration of an incoming trunk on Gi0/1 and then Gi0/23 & Gi0/24 are layer 3 p-t-...
- 5,300
3
votes
1
answer
237
views
Consequences of an intra-switch Loopback cable
I am using Dell switch and I looped it to itself. If I enable STP on 2 ports, what happen the port states? I have attached the topology below. Let me know, if you need clarification.
- 127
5
votes
3
answers
2k
views
'interface vlanX' or 'interface loopbackX'
VLANs are a layer 2 concept. We can all agree on that but why, then, do we use the 'interface vlanX' to allow routing on a switch. If we want to setup a default gateway for VLAN X on a Layer 3 switch ...
- 1,005
3
votes
1
answer
2k
views
Routing of 2 Gateways via a Layer 2 Switch
Please refer to the network diagram below, it is a very simplified version of an actual network installation.
The Router has 3 Vlans, OSPF has been configured and all the 3 vlans have been added to ...
- 41
13
votes
3
answers
18k
views
Tracking down an invalid source mac address
I have inherited support of a remote site which contains a Cisco 4500 and is connected to ~2 dozen cisco access switches - primarily 2960s with a couple of 3750s and 3560s. Not all access switches ...
- 859