Questions tagged [ip-address]
A numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the Internet Protocol for communication.
456
questions
0
votes
2
answers
71
views
What stops you from use private IPs in Internet?
I know there are some IP addresses ranges called "Private IPs" which are used in private networks and are not supposed to be used in public networks like Internet. I also read another ...
- 141
1
vote
1
answer
26
views
Inner header and Outer header in tunnel packet
What should be at Inner header and Outer header in tunnel packet ?
And then we have tunnel IP address(for both router), tunnel source IP address, tunnel destination IP address.
In my understanding, ...
- 45
0
votes
0
answers
37
views
What does a byte-boundary mean in this example from Tanenbaum's book on subnetting? [duplicate]
To make CIDR easier to understand, let us consider an example in which a
block of 8192 IP addresses is available starting at 194.24.0.0. Suppose that Cam-
bridge University needs 2048 addresses and is ...
- 101
2
votes
1
answer
65
views
How does the final next-hop router forward a frame to the destination device if the public IP address is that of its router
We know that all device’s connected to the same local network will have the same public IP address as each other, which belongs to their local router.
So, since the IP packet’s destination address is ...
- 21
2
votes
1
answer
83
views
Name for this network range formatting?
I'm working with an FTP server that only accepts IP ranges in this format:
192.168.128-255.0-255
What's the proper name for that format or presentation ?
It is none of:
CIDR: 192.168.128.0/17
Subnet ...
- 737
1
vote
2
answers
74
views
What exactly does the term "main network" mean in subnetting?
In the computer networks course, we solve subnetting questions together with the teacher. There is a term we call the "main network". As far as I understand, we fill in this according to ...
0
votes
0
answers
15
views
How is the number of sub-networks calculated? [duplicate]
I have lately taking interest in networking so I picked up a book to get acquainted with networking principles. The book I have chosen is that of Glen E. Clarke "CompTIA Network+ ...." which ...
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
2
answers
82
views
Forward traffic from one WAN port to the other WAN port on the same triple WAN port router
So here's the situation that I have at my workplace (local municipality):
I have received from my ISP a static IP address with a provided gateway, which all works normally when I input it into my ...
0
votes
0
answers
19
views
Why the length of IP address is fixed? [duplicate]
Is there technically reason for the fact that the length of IP address need be fixed? Now IPv4 address is 32 bits and IPv6 128 bits.
If IP address doesn't need fixed length, we would can structure IPs ...
- 1
0
votes
1
answer
67
views
What is hiearchy of IP addresses? [duplicate]
What is structure/hiearchy of IP addresses?
I mean, is mandatory that IP address e.g. 216.9.10.0 is subnet of 216.9.0.0? Of course many times that is the case and IMO it would be logical, but I have ...
- 1
0
votes
2
answers
93
views
Multiple computers disconnect from the network randomly at mostly random times; only fixed by renewing IP
I have recently been made the IT administrator in our organization. We have in-house servers; DNS, Windows Authentication, etc, and we have 2 switches with around 25 computers and devices connected to ...
0
votes
1
answer
65
views
Configuring multiple public IPs in Cisco 881 to forward private IPs with tags while bandwidth balancing [closed]
The ISP is sending four tagged public IPs (VLAN 30) through one WAN cable. Currently, this cable is connected to a switch that recognizes the tag and distributes it appropriately. Naturally, a router ...
- 103
0
votes
0
answers
14
views
about subnetting ip adress 172.16.0.0 [duplicate]
can you explain why we have 172.16.0.0 to 172.31.0.0 so it can't be for example 172.13.0.0 to 172.35.0.0.
And also why is 192.168.0.0 and is it possible to be 192.160.0.0? thank you
- 1
0
votes
1
answer
175
views
Basic Networking - IP address
guys, I am currently going through basic networking concepts... There is this piece of information:
'Briefly, an IP address (or Internet Protocol) address can be used as a way of identifying a host on ...
- 1