All Questions

We have two offices located across the street and the distance allows us to keep everything in one LAN without going through the Internet. However, it seems to require some MITM protection, since the ...

In any transport over MPLS (AToM), a customer's pseudowire (PW) is set up within a pre-extant label-switched path (LSP). This results in a label stack of two labels, with the customer-PW's label at ...

Im trying to setup a site to site vpn between two Juniper QFX5110's. Each end of the link is on the same subnet (so directly connected switches over dark fibre). I have configured each physical ...

I know how to perform regular overload PAT in my lab running sh ver Cisco IOS XE Software, Version 16.03.09 Cisco IOS Software [Denali], ISR Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 16.3.9, ...

I am currently having issues communicating through a Siemens Scalance XC224. I have two SICK AFM60 absolute encoders that used to work through the switch. A random power outage came by and now we cant ...

I need some information about RSTP If the port state is blocking, discarding alternate . Should BPDU be sent to external ports? I cant see any BPDU in wireshark if the port states Alternate,Discarding ...

This is more of a network design question, rather than question on specific implementation details. I want to discover, how I should solve my problem using best practises, because I have never done ...

I'm using an Ubuntu system which hosts my domain example.com in an apache server. Recently I have changed my router and configured all virtual servers with proper port forwarding. Unfortunately, after ...

I have a point-to-multipoint network composed of one mobile wireless video emitter and several receivers, the wireless network creating a LAN between all those devices. The receivers are connected to ...

layer 3 switch is connected with different vlan's using trunk ports and taking ip from DHCP server, now i want to block ping from pc2 to pc5 but it does'nt work. i apply command also but still when i ...

I want to user (1) switch connected to ethernet port 1 of my router/modem combo and use another switch connected to ethernet port 2... can this happen, as in will both Switches work? I have almost an ...

I have a system with three NICs, two NICS have a static IP and one has a DHCP IP. The static IP keeps changing and the config files .xlr keep disappearing. Any ideas? Antivirus?

When we type https://stackoverflow.com/ all the data which is sent to this server would be using HTTPS protocol in transport level So is it possible for me to know which error detection, flow control ...

Given following configuration in Linux: bond0 in LACP (802.3ad) mode with two VLAN networks running over it. bond0.111 configured with static IP bond0.222 configured with DHCP How to capture packets ...

My notebook computer does not have an RJ45 port and I have to use an USB-to-Ethernet adapter to connect my machine to the LAN port of my router. My operating system is Microsoft Windows 10 and ...

I’m creating networking for playing checkers. And what to use evolution algorithms to find best weights for my network. But how to create offsprings of network? By what amount weighs should be mutated?...

I have two cisco devices directly connected. router1 = 10.70.223.96/31 router2 = 10.70.223.97/31 on router2 there is an admin ACL permit 10.64.95.0 0.0.0.255 so I can't only SSH router2 from that ...

This is probably the stupidest question ever but I have to ask .... how can I get to the bottom of who owns this up address 169.234.229.230 ? I went thru some websites but couldn’t make sense of it ...

Sorry for my English. Let's say there is a chat server in AWS and it has bandwidth limit like 5Gbps. Someday, massive user comes and it spikes a lot of traffic in a second and finally it overs 5Gbps ...

I am a novice and I don't have a paloalto at hand. I don't know if it is possible that two devices communicate each other one of which belongs to Trust Zone and the other belongs to DMZ Zone. However, ...

I am trying to understand how peer to peer networks work, and I can't figure out how peer to peer file sharing systems like bit-torrent get the public ip of the users. For e.g. If I have to copy some ...

I am following this advice here. I have not managed to setup the secondary router yet. I don't see how what configuration here actually connects you to the primary router. I WPA-Personal on the ...

I have a server created on a server hosting platform and can ssh into it but I don't understand the mechanics behind it. When I want to ssh into something it normally has to either be on my same ...

To the best of my knowledge, baseband transmissions use (only) time division multiplexing. Why is that so? TDM isn't as efficient as statistical multiplexing. Why is TDM preferred for baseband ...

I would like to know if anyone here knows a network simulator like GNS3 in which i can emulate a network composed of two layers: a Zigbee network and some FoG nodes with minimal systems and one cloud ...

Good morning, I'm kinda sure that this is network problem so I'm posting it here, if its in bad category then I'm sorry. I have two problems, the first one is that I'm required to solve captcha each ...

I was reading a text book which shows a simple reliable data transfer service that is similiar to TCP: And the author said: Protocol rdt2.0 may look as if it works but, unfortunately, it has a fatal ...

By "reusable" I mean, once the connection is established could the original process unbind, allowing another processes to use the IP:port? For example, could a web browser establish a webrtc ...

When I want to get arp information about a single ip number or subnet, I have to snmpwalk the whole arp table, as some oid architects had the "great" idea to always insert an interface index ...

This is a really weird issue. Here are the players: My laptop: a Dell Precision with Pop OS 20.04 (a Ubuntu / Debian spinoff) which I use mainly for development work. It has Docker installed which ...

As an experiment, I'd like to get responses from a few different 8.8.8.8 servers (per anycast, multiple physical machines are grouped as one IP address, and I believe inspection of the request/...

As title says I have: PC (windows) (deviceA) raspberrypi4 (deviceB) PC2 (windows) (deviceC) I recently changed hostname on rpi4 and since then I cannot ping or ssh into it from my PC... sshing or ...

How can i setup a wireless LAN that can serve up to 20,000 concurrent devices. I am having a problem in figuring out if i need one router or several routers. A topology diagram with explanation would ...

So I've moved house and re-setup the network, pretty much the same apart from a different router and new Ethernet cables. And I think I should configure all the infrastructure more suitably and ...

Hello I don't really don't know where to ask this question and I'am new in here. My problem was that I tried to get a link into VirusTotal to try to see if it has some virus, the problem is that when ...

I do not like AT&T's gateway modem/router, I have a Netgear Nighthawk router and I'm looking for a modem that's compatible with AT&T's "ONT" connection...

I have blue iris running on a windows machine. Atm, my Ip cameras are all on my network. I want to isolate them in a separate network. Was thinking adding a 2nd NIC on my windows machine, connect all ...

I've installed OPNsense firewall downstream of my router and can't access what's behind it from the LAN. The complete network looks like: Internet (public ip) - Router (192.168.0.1) - (192.168.0.144) ...

so the problem happens lately that my site is not working for me and for all of my customers with the error message site can't be reached. the part it got me confused it when i use VPN it works fine. ...

I am a newb and misconfigures my Sonicwall Soho 250; it has two Interfaces configured: Fritzbox without any management activated, and WAN, where only ping and https management was activated. I ...

I am a proud owner of TP-Link Products and things are going well regarding everything except with something regarding this configuration. When the RE200 is connected to the network, Devices connected ...

I have started reading abt 802.11 I have a question plx help During Association in 802.11 the capabilities are matched from Association request and response and then further intersection of ...

And how does each type of internet work?

I am a beginner in wifi and have started reading it.. I have a question When I turnoff wifi in my phone what exactly happens deauthentication or diassocation? I am unable to differentiate..Plz help

When connecting to a Wifi on 2.4GHz or 5GHz channel, a device connects on a certain frequency. Is there a somewhere list of all possible frequencies that a device can connect to on a 2.4GHz/5GHz ...

I have bought a Netronome Agilio CX smartNIC which has QSFP interface. My switch HP 3500yl J8593A has 4xSFP+ interfaces. I bought Amphenol QSFP to 4xSFP+ breakout DAC. But the switch complained about &...

I have a customer that is set on using CAT6e cables throughout his building. My job is to terminate the ends into patch panels. Can't really find any info if CAT6e will get the full 10GBPS at 100 ...

Suppose we set up a public server, and we want to know exactly what happens with it. We set up a monitoring policy such that every incoming and outgoing packet is logged and saved to disk with a tool ...

Need to create a BGP authentication keychain between Cisco and Juniper devices. Need assistance with config commands for Cisco 9300-24S.

I am currently having an issue where I configured Dynamic NAT with one public IP in a pool. I intended to have the entire subnet use this one public IP instead of the default NAT outside IP configured ...