All Questions
38
questions
-1
votes
1
answer
27
views
VLSM Error on Cisco Distribution Switch [duplicate]
I have created 3 VLANS which should not overlap but somehow are giving me overlapping problems. Any reasons why? Is the switch buggy?
VLAN 10 10.1.1.0/28
255.255.255.240 Usable:10.1.1.0 to 10.1.1.15
...
0
votes
1
answer
141
views
Switch ping to router with trunk port
If I have a switch port trunk directly connect to a router with the follow scenario below:
-------- g1/0/1 (Trunk) g1/0/1 |------|
|switch| Native VLAN 1 SVI=...
- 103
0
votes
1
answer
678
views
Access multiple networks via one managed switch
We have a kind of granulated network structure. At the moment I have two network adapter connected to my system for two of the network areas. The Systems in network A and network B should not ...
- 101
0
votes
1
answer
232
views
Make printer in different subnet accessible to other subnet
i am creating a network and i want the printer which is in a different subnet to be accessible by all other subnets. The router network is 192.168.10.0/24 further subdivided into /28 subnets.
The ...
- 1
6
votes
5
answers
4k
views
Dividing a network into subnets using a router
I am learning about how L3 and IPv4 addressing works and I need some clarity on certain things.
I've encountered the following topology
So in this topology, the router stands in the center and ...
- 877
1
vote
2
answers
261
views
Can a host from different subnet bypass the network mask validation of destination host and communicate on layer 2?
I am aware that a host will always check the subnet of the destination node before the transmission in order known if it has to send it to the gatewey for different subnet.
However, would it be ...
- 329
6
votes
2
answers
3k
views
Can a single subnet work across several switches?
New to networking and studying hard but limited access to a kit to try things at the moment...
My question is - if I had, for example, two Layer-2 switches cable connected, could I have devices on ...
0
votes
3
answers
516
views
Bridges, hubs, switches and repeaters in subnetting
I'm learning to subnet and I'm constantly doing exercises on paper about this topic. I'm trying to breakdown a network into smaller subnets, given the number of hosts for each one. For now, I only ...
- 3
4
votes
1
answer
1k
views
Same Vlan Name / ID on different switches network subnet same or different?
I have several switches (some on same floor and another on other floors) all connected to core layer 3 switches through trunk links.
One of the vlan id / name is repeated along the switches. May I ...
27
votes
9
answers
31k
views
Why can't devices on different VLANs, but on the same subnet, communicate?
I have a question about switching. I have two devices connected to a switch with IP addresses 192.168.5.20 and 192.168.5.10. Both devices have the same prefix, /24. That means they are on the same ...
- 419
1
vote
3
answers
1k
views
how to do inter vlan for same subnet
I configure two same subnet network(ip:192.168.0.2 & ip:192.168.0.3) into VLAN...so they wont communicating with each other...but now i want them to communicate with each other...
For that i ...
- 11
1
vote
1
answer
3k
views
Can a VLAN have hosts with IP addresses outside it Subnet IP range scope?
I have 3 entities in my network.
A server,switch and an appliance which acts as a DHCP/PXE server.
When the server starts up, the DHCP server has to PXE boot the server. A seperate VLAN(1234) is ...
- 13
2
votes
1
answer
334
views
VLSM Determining Switch IP
i was given a network 130.4.0.0/16 that i needed to use vlsm on. which i did and got these vaules:
Address | Mask| Assignable Range | Broadcast
130.4.0.0 | /22 | 130.4.0.1 - 130.4.3.254 | ...
- 89
1
vote
2
answers
304
views
Overlapping IP addresses in CISCO 3650
I have overlapping also, but, my config is different.
Vlan 1 is 192.168.0.36/255.255.0.0 and Vlan 2 is 192.168.11.15/255.255.0.0.
Since the third octet is different, how is overlapping possible?
- 11
1
vote
3
answers
462
views
Vlan tips? New switches (hp 2920s), single subnet or multiple subnet per vlan?
we have a series of old switches that have been failing at the company for sonme time.. i've since purchased 6 hp2920's which are layer 3 (the old ones are layer 2).. we previously didnt use vlans... ...
- 11