All Questions

I'm trying to learn subnetting and working on a quiz but I'm going wrong somewhere. The prompt gives a source IP and a destination IP. There are 6 other IPs that I need to choose in the correct ...

I have a private VPN for general purposes which I need to bypass some firewall rules. I also have the VPN for hackthebox which uses an OpenVPN connection. I want to have both on so I can keep ...

Is there a simple tool set I can use to buffer a network capture for say the last 3 minutes and if an event happens perhaps by a GPIO trigger or UDP message I write the last 3 minutes and the ...

Is there a way to use a cisco 2800 router to create a point-point tunnel to a Palo alto 3020 firewall with support for 6 vlan's on the cisco side. I want to create a tunnel from a new office to my HQ ...

I find this question is best phrased with a scenario, so here goes nothing. Scenario Tom owns a modem and a router, and gets internet service from Comcast. Tom uses his router to broadcast his own ...

I have a network device in my LAN, which behaves totally strange for my understanding. It got the IP 192.168.178.51 and it is a Panasonic CT-TAW1 (google search link) which is a WiFi/LAN module for a ...

I'm thinking about how the "port" operates for the network connections and tried reading the CCNA cert. guide to understand the details, however, I need to clarify doubts: does occupying all the TCP/...

Can anyone point me to industry guidance of any kind for expected LAN reliability for normal, non-outage, non-overload conditions? I suspect some device is blocking or throttling my connections. I ...

I have a modem which is connected to a 24 port Ethernet switch, which intern is connected to a wifi router on different level of the building. It was working fine yesterday but I need to have ...

I'm working on a codebase where we're trying to test network health by verifying if we can ping the remote site having payload = MSS without any packet fragmentation (using -df flag). Typically, for ...

so, I created a kubernetes cluster using virtualbox on a dedicated server with a public ip (ex: 65.12.12.12). This cluster has an internal network, based on subnet 192.168.205.0/24 and, for example, ...

Actually I am reading a paper for school homework. This paper is called : "JASPER: Joint Optimization of Scaling, Placement, and Routing of Virtual Network Services". They use the term "substrate ...

New to networking so...Looking to see if this is possible...It's also not an ideal setup so if you have recommendations on better hardware/software, I'm open. I have a render farm with 23 computers, ...

I recently moved into a new apartment and found a connection box, but I don't know what kind of ports these are or what they are used for. My best guess would be some kind of fiber. Neither the ...

I have a local Jenkins server that I only need once a week. It is not worth hosting it on a local server (due to infrequent commits). I have some github webhooks that I use to trigger builds in that ...

I tried to get a setup working to make the following scenario work: Access a pc web service hosted in a different IP range/mask than the rest on-site PCs. Details: We have a network setup with a ...

I'm trying to change the value of MTU to test network fragmentation, OS : Windows 10 Pro When i try to lower it it says The parameter is incorrect C:\WINDOWS\system32>netsh interface ipv4 set ...

We have a strange issue in our network. We saw it the first time when we wanted to restore SQL databases to a test DB. The restore failed, in the windows log we saw iSCSI errors, the mounted iSCSI ...

I'm having issues setting up an ubuntu machine to control four computer vision cameras using a PTP protocol. Instructions for the camera I currently have access to a 4-port intel i350 based network ...

If I have 2 buildings on the same site, connected to each other via a fiber connection and they both run to the same ISP, would both buildings need to be connected to a firewall? For the main ...

so I am trying to answer proberequests with my nodemcu, like a Wifi Pineapple does, but I don't know how. I would preferable do it in Arduino. Does any one know how to?

I'd like to learn more about the applications of proxy caching. But I feel that the vast majority of online articles only explain it in the HTTP context. I'm looking for examples of applications ...

I am building a storage network, physically separated from the data network. I have two Cisco SG350-28P-K9 V02 switches: One on the basement. Has two NAS, two ESX servers. (in use) One on the 4th ...

For some reason our Cisco is responding to arp requests between machines on the same switch. It's not breaking anything but it is slowing initial connections. I've been making a lot of changes on the ...

Hi I have some trouble with this homework assignement. According to my calculation the maximum wire length would be 322 meters going by Transmission time => 2* Propagation time. Could someone confirm ...

I have a Windows 7 SP1 PC, but when I try to connect to an internal NTP Server, it failed to synchronize. With Windows 10 is working fine. Can anyone suggest why?

Trying to connect one room to the router. I have tried to use simple wiring - Cat6 with Keystone wall plate on one end I know that a lot dont advocate this setup but since I only have one room, I ...

I was configuring hostname resolution with DNS server on cisco packet tracer. I created the records and assigned ip to them then I configured everything on Router with ip domain command but the ...

It's been said that Cloud Computing provides three service models: Software as a Service (SaaS), Platform as a Service (PaaS) and Infrastructure as a Service (IaaS). Now there is a fourth model, known ...

I am trying to connect two routers in one switch to ping each other using IP route . router 0 has 192.168.10.1/24 gi0/0 router 1 has 192.168.20.1/24 gi0/0 I tried putting switch-port trunks on both ...

I'm running an iperf3 throughput test from my PC to another one, going through a router. I've tried the same configuration for TCP traffic and for UDP traffic. However, for UDP traffic, I get worse ...

I am connected to the my wireless network via UBNT rocket M2. DHCP is configured in the network through which I am getting my IP. now i wanna know the IP of my access point (Rocket M2). any command/...

The huawei S2300's interface protocol become --: <HW>dis interface brief *down: administratively down ...

TCP connection termination is performed by the four-way handshake, as shown below (the image is taken from here). I tried to verify it on Cisco Packet Tracer. With the following topology, I captured ...

I don't know that can I ask question about this problem in here?.I tried download and install some version of LordPE,but when I open LordPE then no program that running displayed in LordPE I hope ...

I'm implementing device discovery over mDNS / Bonjour on both mobile platforms and I'm observing that discovery is not always reliable. I'm trying to investigate and I have questions where I cannot ...

I am facing a problem when creating a VPN connection on an android device 9.0 using L2TP/IPSec PSK. The problem is when I set the DNS Server along with the Forwarding Routes everything works fine I.E. ...

I'm trying to apply DSCP (AF41) to an interface eth-trunk (if it matters) - [~HUAWEI] diffserv domain QoS \ creating diffserv domain named QoS [~HUAWEI] dsdomain QoS] ip-dscp-outbound af4 ...

I'm trying basic thing to do but I get error "Connection refused.". I don't where to go now. Where did I do a mistake? Depicted example: I have main Server master(My current PC) and want to do ...

On my Cisco 3750G, i have SNMPV3 enabled, this is working perfectly with Zabbix. I would like to separate production flows from supervision flows, Do you know if it's possible to enable SNMP ...

I can query a interface detail: admin@Juniper-EX# run show interfaces ge-0/0/1 detail Physical interface: ge-0/0/1, Enabled, Physical link is Down Interface index: 131, SNMP ifIndex: 504, ...

Does Cisco Packet Tracer support config memory and config network command? If no, then do enterprise routers still support it?

I am not network engineer. I have this problem in my home network. When I connect the cable to Linksys 2800SE switch the led indicator shows 1Gbps speed. If I connect the same cable to D-Link DGS ...

I have a problem with the router ASUS DSL-N16. Actually I want to pre-assign and IP to each device I have using the MAC of each device, no problem with this step. Now I put the IPv4, DNS and submask ...

I recently stumbled upon a problem concerning router redundancy when using CARP. I also expect this to be the same with VRRP after checking the concerning RFC 5798. Since this is a somewhat ...

How can I connect two laptops and take complete control of other machine using hardware device connected to same wifi network

I am trying to understand the distinction between public and private IP addresses in IPv4 networking. The picture I've been told has some problems with it, so I would like to present it here and ask ...

I am trying to set up one LAN network between two buildings connecting them with an optical link. I have in the main building Ubiquiti US-16-150 switch equipped with Ubiquiti SFP 1 Gb Fiber module (UF-...

I am in Eastern China using a UK based sim card. I am trying to trace a route to Hong Kong. The trace understandably goes initially to the UK source network and then on the long journey to Hong Kong. ...

Specifically the one that shows up when visiting https://www.whatismyip.com/. It looks something like this: 75.37.58.xxx. I am using AT&T Uverse. I have tried unplugging the router overnight and ...