Questions tagged [network]

For questions about Networking that includes design, and use of a network, the physical cabling, hub, bridge, switch, router, and so forth. Anything in relation to networking and its technologies.

Filter by
Sorted by
Tagged with
0
votes
1answer
20 views

Network Protocol vs Framework?

I've been a network engineer for almost 4 years now. I thought I understand what a network protocol means. but now I'm having doubts. For me, Ethernet is a protocol used at layer 2. there would be ...
0
votes
0answers
13 views

Video conference traffic [closed]

I have to set up a video conference room which will have 1 AP, a desktop in the corner, Large TV screen opposed to a projector, and a VOIP phone. A VOIP VLAN and Guest VLAN will be used. The VOIP ...
0
votes
0answers
13 views

Are there any limitations to having a router connected to a router? [closed]

I have router A in a very bad spot so I've been thinking of power-lining one of its LAN ports to another location and connecting another router there. This second router would have its own clients but ...
-1
votes
0answers
35 views

Hello, Network Problem [closed]

I have a question I wanted to implement a program in C++, Object Oriented and threaded. The program must be run in a shell, like the example: PROGNAME ifs=[IF-LIST] ./desiredprogram ifs=eth01,eth02,...
0
votes
0answers
6 views

Unable to connect to wireless networks [closed]

I recently moved to a different hostel at my university, and my router's wireless network, which worked fine in the previous hostel, suddenly started behaving weird. My devices (tried with my phone ...
0
votes
0answers
32 views

CAT 5 cables work, but CAT 6 doesn't? [closed]

My setup is, Router - CAT 5 cable - CAT 6 rated wall socket - CAT 6 cable - CAT 6 rated wall socket - CAT 5 cable - PC This works fine but the speed is limited. When I replace the CAT 5 cables with ...
0
votes
0answers
10 views

public static NAT IPv4 address also for outgoing traffic? [closed]

Since my ISP doesn't assign public static IPv4s anymore (but only IPv6), I bought a static NAT IPv4 address, which I use as my "public IPv4 address". The main reason I need this is that I'm ...
-1
votes
0answers
17 views

Is there any such thing as a decentralized network of any kind which actually has some serious amount of users? [closed]

Note: I asked this earlier today. It was redirected to: "Is an entirely decentralised peer-to-peer network feasible? How far could it be scaled?". That question, and the answers, are sadly ...
-1
votes
0answers
9 views

Is there any such thing as a decentralized network of any kind which actually has some users? [duplicate]

I have exactly one .onion bookmarked in my Tor Browser. I use it once every few months. I have tried out countless decentralized projects and they are all absolute ghost towns. Nobody uses it. I have ...
0
votes
1answer
24 views

iperf3 UDP tuning

I am trying to test throughput in the network. But when i start iperf3 client for sending UDP packets it sends TCP SYN packets. Why does it behave like this? (it should not send udp tcp syn while ...
0
votes
0answers
13 views

100 devices on virgin media cable broadband [closed]

Some simple questions for the experienced. Assuming 100 devices are running the same application which requires 3Mbps and all devices are connected to the same internet connection of 512Mbps such as ...
0
votes
2answers
23 views

How is this tool called for sorting out wires on newly installed patch panels?

I've lost my tool I use frequently. Since I don't know the name for the tool I am having a hard time to find a replacement. How is above tool called? It is meant for patch panels to correct faulty ...
0
votes
2answers
49 views

Couldn't connect 2 networks in a single router

I made a topology which has 2 separate networks connected to a router, each network has 1 switch and 2 pc's. I took a screenshot of the topology: https://i.gyazo.com/f99231fc75a41faa3ccd0315859fd84f....
0
votes
1answer
31 views

Router and layer 3 switches RIP

Ok so newb question: If I connect the layer 3 switches in each building together, which also link to the internal router, does RIP need to be configured on the layer 3 switches and the router, or just ...
-1
votes
1answer
25 views

different network mask and subnet mask and netmask [duplicate]

1- what is network mask? 2- what is subnet mask? is there any differnt between network mask and subnet mask? i'm tried to search about network mask and nothing found is it called netmask ? thank you
0
votes
1answer
40 views

i am so curious about naming IEEE standard network,like why do we use “802” these three numbers? [duplicate]

I learnt some information about networks in Wiki,and I am so curious about naming IEEE standard networks. As far as I know: The standard name of Wifi is 802 The standard name of Ethernet is 802.3 The ...
1
vote
2answers
51 views

EVPN/VxLAN border-leaf question

I have couple of question in above design where i have typical clos network design and my leafs are configured for Cisco vPC for redendency and anycast gateway and running OSPF for underlay and BGP ...
0
votes
2answers
30 views

Is it possible to completely mask an IP address to a point where no IP address can be detected yet an active connection is live?

I’ll keep it short and sweet; We all know to connect to internet you’ll need an address like 2001:x** or 192.x**. Using a vpn, while it does encrypt things and mask your IP, it still returns an IP. ...
0
votes
1answer
33 views

Routers and layer 3 switches for connecting two buildings on site using fiber

I understand layer 3 switches are essentially routers, but often don't have the capabilities a router has, e.g. NAT. So I'm trying to work out where it would be necessary to have layer 3 switches vs ...
0
votes
1answer
24 views

Automatic backup internet connection, is it possible? [closed]

I am trying by best to understand this topic. Apologies if this isn't the correct format or if it's lacking required information, I am little more than a home user. If someone could help point me in ...
0
votes
3answers
56 views

Private IP Address Subnetting Standards. How strict are they today?

How strict is this standard today. The 172.16.0.0/12 range is: 172.16.0.0 – 172.31.255.255 Conceptual Config 172.Location.VLAN.Host Location A (10): VLAN 10 - 172.10.10.0/24 VLAN 20 - 172.10.20.0/...
0
votes
2answers
34 views

Proof of the formula of redundancy bits in Hamming code for single error correction problem

m ---> number of data bits of a frame r ---> number of redundancy bits n=m+r ----> lenght of a codeword(data + redundancy bits) Imagine that we want to design a code with m message bits and ...
0
votes
3answers
59 views

Assigning IP addresses to multiple switches

Thank you in advance for taking the time to read my question, i appreciate it. I am in need of help on IP assigning to 4 brand NEW Araknis switches that I am replacing with the current netgear/tp-link ...
0
votes
1answer
22 views

Public IP address does not work in internal network [closed]

I have configured port forwarding to my system from the router configuration menu, when I try to access the public IP address in the internal network it does not respond but it is accessible outside ...
2
votes
1answer
46 views

Two Datacenter location with same BGP AS number

Currently we have DC-1 running eBGP with my ISP using AS:1111 and i have prefix 1.1.1.0/24 and using BGP Default route because we have only single ISP. Now we are opening new Datacenter in remote ...
0
votes
2answers
27 views

multicast udp streaming dst and src address assignment

If I am streaming on a host using the internet outside my nat, how is multcast addressing work with respect to streaming for example, if the application outside sends to 224.0.0.1 how is the packet ...
1
vote
2answers
52 views

IPSec Tunnel Mode

Assuming an organisation has 2 offices at two different locations and needs secure communication between them. As far as I understand IPSec, we can use tunnel mode to provide end to end encryption for ...
0
votes
2answers
51 views

IPV6 static Routing

I'm new to networking and I'm currently learning about IPv6 in static routing. I set up an environment in Cisco Packet Tracer like this: have connected two routers with serial medium , each router ...
0
votes
1answer
67 views

What happens if the localhost does not interpret 127.0.0.1 as the loopback address?

For the sake of the example, assume gateway to be 10.0.0.1 and host A (my machine) to be 10.0.0.2. If gateway (10.0.0.1) is running a service bound to a port on localhost only, the service should be ...
0
votes
1answer
21 views

Why we use IP address in sockets? [closed]

When a server want to create a socket, it will use a combination of its IP address and some well-known port, let us say 80. So, when a segment arrived, both the server IP and port 80 will be used to ...
0
votes
2answers
43 views

BGP influence outbound traffic based on prefix

I have two router core1 and core2 connected with ISP router border1 and border2 using eBGP peer and i have 5 public subnect (/24). My ISP sending me default route instead of full BGP table. Question:...
0
votes
0answers
35 views

vPC + HSRP load-balancing issue on Cisco CML 2.0 lab

I am playing with new cisco cml 2.0 lab simulator and seeing strange behavior not sure if its real issue or limitation of cisco lab. dist1 and dist2 is my vPC (NSOX 9000v) peers, and tor1 is IOSv ...
0
votes
1answer
23 views

Who can get ARP packets? [duplicate]

I'm new to networking. And as far as I understand about ARP messages, Alice can only send ARP to Bob if two are connected. But if Alice and Bob are connected to a router, but not connected to each ...
0
votes
1answer
94 views

How is the PPP protocol byte-oriented as well as bit-oriented?

Many articles considered PPP as a byte-oriented, and the others mention it as a bit-oriented. +----------+----------+----------+----------+------------ | Flag | Address | Control | ...
0
votes
0answers
6 views

difference between Local Internet Breakout and regional internet breakout? [duplicate]

I searched over the internet but could not find the answer so i want any one of you to help me out in this. i don't know whats the difference between both of the terms and which is more preferable or ...
0
votes
1answer
34 views

Simplest way to achieve single IP communication with IP camera and simple MCU?

I have a product that uses an IP camera and a simple ATmega-based motherboard for general I/O control, managing a very simple web interface, etc. Ideally, I would like to be able to access both of ...
0
votes
2answers
24 views

Speed comparison between agregated and non agregated internet

I have an offer for internet connection, where they offer me these speeds for a symetric and non aggregated connections over fiber optics (upload/download): 10/10 Mbit/s 20/20 Mbit/s 30/30 Mbit/s ...
0
votes
2answers
31 views

ICMP is a protocol working in the Network Layer. Why does it send few fields of the transport layer while reporting an error?

I was confused if ICMP is a network layer protocol why does it send transport layer fields in its error reporting messages.
0
votes
1answer
14 views

Why can I forward email without mx record set up properly? [closed]

Say I have a domain domain.com I do not set anything on mx record in domain.com Yet I can set a forwarder from say hello@domain.com to another email. I set a address. Is this normal?
0
votes
1answer
35 views

What environment is still using the Token Ring network?

I have struggled to find what kind of environment (Eg: Educational, Medical environment, etc) where the Token Ring network is still used in this present time and why are they still being used. It is ...
0
votes
0answers
15 views

using SNAP/ LLC on ethernet

Why is it not desirable to use Logical Link Control (LLC) and Sub-Network Access Protocol (SNAP) on Ethernet 802.3 frames while carrying IP packets when it is often used for wireless networks?
0
votes
2answers
24 views

How could I build a Inner-Net of multiple networks?

I have multiple theoretical(not at the time being) WiFi Networks with one on each property(3 properties) and I want to have the three networks connected similarly to the internet. For example, I would ...
1
vote
1answer
44 views

Cisco anyconnect VPN router specific public IP via tunnel

I have fully functional cisco Anyconnect VPN running on Cisco ASA5585-X and today i got requirement that there are some remote public sites we need to whitelist our VPN public IP to access them over ...
1
vote
0answers
31 views

How can one detect TLS inspection as a user with an enterprise managed device? [closed]

Let's assume Alice is an employee of the Company Chuck. Alice likes to communicate with Bob, a server somewhere in the internet. Chuck being a security orientated company, inspects all TLS connections ...
0
votes
1answer
31 views

RIP always add same network adress

From network 10.10.0.0/23 i made 10 subnetworks. But when i try to add any network address to RIP it always add 10.0.0.0. Router configuration: Router(config-router)#router rip Router(config-...
5
votes
2answers
110 views

Can you become your own ISP?

How exactly does an ISP connect you to the vast network of computers which is the internet? In my area there are several ISP's. For example. Bell, Rogers, and Cogeco all connect you to the "same ...
1
vote
1answer
47 views

eBGP failover without packet drops

I have core1 and core2 router peer with same ISP but distinct hardware and they are sending us default route. currently all in/out traffic going over to core1 and core2 is idle (standby), I have iBGP ...
0
votes
3answers
60 views

Multi LAN network does the main router to the internet need to be in its own subnet?

I have to design a network where there are 4 within which are different number of VLANs with varying number of hosts per VLAN depending on the building. My confusion lays in the main router, does it ...
1
vote
2answers
67 views

Which is the best way to encrypt all the IP traffic in LAN?

I'm trying to encrypt all the IP traffic in a small LAN network but the in that network all kind of devices are connected i.e. PCs, Laptops, IP Cameras, IP Sensors, etc (new and old devices). I have ...
0
votes
1answer
62 views

What steps must be accomplished in each layer of the TCP/IP model to connect a website?

What steps must be accomplished in each layer of the TCP/IP model to connect a website?

1
2 3 4 5
11