All Questions
79
questions
3
votes
1
answer
116
views
Computers on different subnets can't talk to each other
I'm teaching an introductory computer engineering course in HS and had students in the lab network together the computers they built in the hardware unit - I appreciate the irony of somebody teaching, ...
- 33
-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
104
views
Why is there overlap with two interfaces?
I am trying to configure router0, I assigned ip 192.168.26.1 to gigabitEthernet 0/0 and I tried to assign this ip: 192.168.26.33 to interface serial 0/0/0 but this error appears:
192.168.26.0 overlaps ...
- 13
0
votes
1
answer
56
views
What device to use as an intermediary " Wifi Router" for a subnet, plug-and-play architecture?
I am new to network architecture so I apologize in advance for any nomenclature errors.
I have 50 IoT devices (running Ubuntu) that I want to stream significant data from. These devices are only ...
0
votes
1
answer
144
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
1
vote
2
answers
849
views
Can networks with different netmasks overlap?
Let it be this diagram:
Can I assign such networks at each segment without overlapping? In my understanding each network has a range of usable IPs and those ranges overlapps each other.
For instance, ...
user80646
0
votes
1
answer
854
views
Connect a router to multiple router/subnet - Cisco Packet Tracer
I'm studying DNS Server. So I try this.
Here is the flow when I request abc.com webpage from My PC.
My PC (192.0.1.2) send DNS query to Router0. Router0 then forwarding to DNS Nameserver (10.0.0.2).
...
- 103
0
votes
2
answers
578
views
Sharing one VLAN with two routers each one will route different subnet
We are transitioning to new WAN connectivity. I have one VLAN (let's say ID 10). Currently there is one router R1 that has one private subnet and one public subnet on the VLAN 10 which goes through ...
- 3
2
votes
2
answers
132
views
Will 2 redundant Routers configured with HSRP consume 3 IP Adresses in each Subnet?
The Problem occured while studying for my exams
Problem: I have to design a Network for a Company. The given IP Adress Space is 192.168.1.0/24 which has to be divided into 4 Subnets. These Subnets ...
- 23
0
votes
1
answer
296
views
How can I set up two sub networks that can communicate by LAN but where only one has internet? [closed]
With only two routers, where one has a connection to the internet, is it possible to set up a second sub network that has no access to the internet, but where devices connected to either router can ...
- 1
1
vote
0
answers
26
views
Personal VPN sub-network accessible through Work VPN? [closed]
I currently access my work network via Cisco VPN.
At work, I have my own three computers and NAS on a personal dedicated router using my own DHCP. For several reasons, I do not want these computers to ...
- 111
3
votes
1
answer
418
views
why can a router make two PCs in different subnets access each other?
Case 1: PC A: 192.168.1.2 / 24, and it connects to LAN port1 of router A PC B: 192.168.2.3 / 24, and it connects to LAN port2 of router A Given above we know A and B can't talk to each other due to ...
- 203
2
votes
5
answers
3k
views
Router interface on same subnet
Could someone please explain why a router can't have 2 interfaces on same subnet?
Do routers use network addresses to forward traffic?
- 31
1
vote
1
answer
114
views
Must the host IP be contained in Router's subnet?
The settings are:
manually set my host IP: 10.0.1.6/24, gateway: 10.0.0.138/24
they both know each other's MAC (arp -a shows the list) and there is a direct physical connection between them.
From the ...
- 11
0
votes
1
answer
933
views
Addresses in router's subinterfaces overlapping [duplicate]
I can't really understand why I'm getting overlapping addresses in subnets when they're between the allowed range.
I have the network 192.168.1.0/24, and I have to create 3 subnets:
A - 58 Hosts
B - ...
- 135