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7

No, switches are not just simplified routers. Although many devices combine functions of both routing and switching, the two functions are distinct. Switches create networks, routers connect distinct networks together. Switches operate using only MAC-addresses, while routers also user IP addresses. Switches have many ports in the same subnet, while routers ...


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No. Switches do the following: When something comes in on a port, it looks at the destination MAC address of the Ethernet frame it receives It looks in its CAM table for the MAC address. If it has seen that MAC address before, and knows what port the destination MAC is connected to, it forwards (resends) the frame out that port. If it has not seen that ...


3

The solution is to create a local DNS server as default DNS for your machines on your local network, and on that local DNS configure google DNS as Forwarders. So the result is a merged DNS with local and web entries


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You can use port forwarding for this. Lets say the machine you can connect to is on 88.88.88.88 and that is the public address of your server on 10.8.8.8. The machine you want to get to is on 10.8.8.9 You connect to the first machine with ssh, and set up a port forward to the next. I'll show the command line way so that you can see how it works: ssh ...


2

OK I figured out the problem myself so I'll answer my own question for reference. The issue was that all traffic was going through the LOGGING chain, and the second rule of the LOGGING chain drops all traffic. I just removed rule 2 from the LOGGING chain and everything worked.


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I had various issues with tomato firmware, none of which could be easily rectified. What I had to do was to install the original firmware again (linksys) then in the firmware do a reset to factory settings, and then upon rebooting upload the Tomato firmware again. Don't restore from backup, manually do the settings. The Tomato Shibby builds seem to work ...


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The problem is that your ADSL router is set to the same network as your local LAN. You are attempting to ARP for that router, however it is no longer on the same LAN as you. I would suggest changing the IP address of the ADSL router to something like 192.168.0.100 and that should solve your problem. You can access it again by directly plugging into the ADSL ...


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iptables -A FORWARD -d 2.2.2.2 -i eth0 -p udp -j ACCEPT -A --append = Will add one or more rules to the end of the selected chain FORWARD = will forward the traffic -d = Destination IP -i = Interface -p udp = Protocol for udp -j = Specifies the target of the rule Hope this helps!


1

You can with hping3 for example by sending a SYN Package to the host: hping3 -S -V host If it is a Webserver you know that port 80 would be open and can send SYN packets to that port hping3 -S -V -p 80 host Or scan the host for any open ports to which you could send packets and he will reply.


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The simplest mechanism is to route all the traffic through a secondary box that is running, for example, Linux, where you have access to tools such as tc which allow you to manipulate the traffic in many ways. Getting the PS4 to route the traffic is a matter of statically configuring the route to go through that device (I'm on a phone so detailing how to ...


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Ping uses the ICMP protocol. Somewhere along the way, these packets are being blocked, which is why you don't get a response. You can use wireshark filtered to ICMP packets on both ends to get a clearer answer. As your other services use different protocols using the IP protocol as their internet layer protocol, you can communicate using these without any ...


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Since you can see the web page on local network, the IP address and the web server are correct configured. Check subnet mask and default gateway settings of the web server. If malconfigured, the answer from server will not be sent back to you.


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If we are speaking about enterprise grade switches, usually this delay is caused by Spanning-tree protocol, which is used to ensure loop-free Layer2 topology. Legacy standard 802.1D has it's weakness in slow convergence. That's one of the reasons that Rapid Spanning-tree Protocol 802.1w was evolved from 802.1D. There exist mechanisms for faster convergence ...


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When the issue is not with all the machines, then the issue is specific to the effected machine alone and not a generic issue to analyze with other devices. Have you tried Uninstalling and Installing the Ethernet drivers?. From the Network properties window, Disable and Enable the Network Adapter Check and disable any security software's (Firewall & ...


1

Definition: Routers are small physical devices that join multiple networks together. Technically, a router is a Layer 3 gateway device, meaning that it connects two or more networks and that the router operates at the network layer of the OSI model. Home networks typically use a wireless or wired Internet Protocol (IP) router, IP being the most common OSI ...


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Network 1 (192.168.0.xxx) and Network 2 (192.168.1.xxx). Computer A (192.168.0.10) wants to talk to Computer B (192.168.1.10). Am I correct in saying that we need a router to do this? If the networks are separate or are on different subnets, then yes you would need a routing device to get the data to transverse the networks. Is a router just a ...


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As it is written here https://dotcio.rpi.edu/node/409 There are only two options: Use Control Panel. Open Network and Internet option and there open Network and Sharing Center. Select Change adapter settings, right-click on Cisco AnyConnect Secure Mobility Client Connection and there choose Properties. Then deselect the Comodo driver and click OK. ...


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I suspect the issue is due to uPNP being enabled on your router. I took a look at my own for comparison. Port Forwarding is enabled and I've been running with uPNP enabled. Log prior to disabling uPNP: Destination Proto. Port range Redirect to Local port ALL TCP 32400 192.168.0.15 32400 ALL UDP 32400 ...


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This can be changed in the "Network and Sharing Center" > Choose "Manage Networks" from the left pane of the window > Now, you have the list of adapters, where you can rename it by right clicking the adapter. Hope this helps.


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A quick search revealed to me this link. It suggests that you can use the net view command to view known computers NET VIEW [\\computername [/CACHE] | [/ALL] | /DOMAIN[:domainname]] NET VIEW displays a list of resources being shared on a computer. When used without options, it displays a list of computers in the current domain or network. \\computername ...



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