Router and vpn combination: what and How it works

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1. Can the router see VPN traffic?


   Yes and No: Routers can see that VPN traffic is being transmitted, but they cannot see the content of the VPN traffic, as it is encrypted. The router will know the source and destination of the data and the amount of data being sent. It still won't be able to interpret the data inside the VPN tunnel since it's encrypted.



2. Do routers have MAC addresses?


  Yes: Routers have MAC addresses for their network interfaces. Since routers connect to multiple networks (e.g., your home network and your ISP's network), they typically have at least two MAC addresses—one for the LAN (local network) interface and one for the WAN (internet) interface. These MAC addresses are used for data routing within the respective networks.



3. Does Starlink have a router?


Yes, Starlink provides a router as part of its satellite internet kit. It is a Wi-Fi router designed to connect to the Starlink satellite dish (the "Dishy") and broadcast the internet signal inside your home. However, it is also possible to connect a third-party router to the Starlink system, if desired, using a Starlink Ethernet adapter.



4. Which routers can you use with Xfinity?


   Xfinity works with many third-party routers. Here are some popular choices:  

  • Netgear Nighthawk series
  • TP-Link Archer series (e.g., Archer A7, Archer AX50)  
  • Google Nest Wi-Fi
  • ASUS RT-AC68U and similar models  
  • Linksys Max-Stream series
  • Routers that support DOCSIS 3.0 or DOCSIS 3.1 for modem-router combos are typically compatible.
  • It's always best to verify specific router compatibility with Xfinity before purchasing, as they maintain a list of approved devices.


5. When to reset the Netgear router?


  Resetting your Netgear router can help resolve various issues, and it's recommended in the following scenarios:

Internet connectivity problems: If the router is not connecting to the internet or the connection is slow.

Network performance issues: If devices struggle to maintain a stable connection or the Wi-Fi signal is weak.

Firmware updates: After a firmware update, completing a reset can eliminate any old sets that might cause points with the new update. Here are some reasons to assume a reset:

Configuration anomalies: Should the modifications to your parameters engender unexpected complications, you might need to revert to the original factory settings to re-establish optimal working functionality.

Protection Cases: Employing the process of reinstating the factory default settings may serve as a sensitive measure to eliminate any potentially treacherous formattings, mainly if there exists a legitimate concern that the integrity of your router may have been sabotaged.

  

A reset might be needed if you often experience network drops or sluggish performance.



6: What is the importance of my router exhibiting a blinking light sensation?


The brightness indicators on a router are generally designed to twinkle to convey the continuous shifting within the network ecosystem. The principal reasons for such oscillating lights are the following:

Standard operational protocol: Routers exhibit a blinking behaviour when transmitting or receiving data packages throughout the network.

Internet connectivity quality: The blink rate of the Internet (WAN) indicator displays that data is vigorously transiting the conduit between the router and the more comprehensive Internet infrastructure.

Wi-Fi activity: The Wi-Fi light blinks as devices connect and communicate via the wireless network.

Firmware updates: Some routers blink during firmware updates.

If the blinking is rapid and persistent, and internet service is unavailable, it may indicate an issue with your connection or hardware.



7. What effect would the `router1(config-ext-nacl)` command have?


   - This command references a configuration mode for creating an extended access control list (ACL) in Cisco routers. In Cisco terminology:

config-ext-nacl` mode allows you to define rules that filter traffic based on various parameters such as source IP, destination IP, protocol, and port number.

     The effect of such a command depends on the rules in the extended ACL. For example, you could block or allow certain types of traffic (e.g., restricting SSH access or blocking specific IP ranges).


Example: You might use `config-ext-nacl` to block all incoming traffic from a particular IP range while allowing other traffic, thereby improving network security.



Reference:


Ubuntu Server Firewall: Protecting Your Network with Ease: cybexhosting.net | Financial. https://www.havermannfinacial.com/ubuntu-server-firewall-protecting-your-network-with-ease-cybexhosting-net/


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