Useful tips for everyday
What happens when a fragment is lost? What happens to the original IP datagram when one or more fragments are lost? When one or more…
Does VLAN interface have MAC address? The MAC to VLAN configurations are shared across all ports of the device (i.e., there is a system-wide table…
What does show IP access list do? Access lists filter either inbound or outbound traffic based on the ip access-group options of in or out…
What is interesting traffic in IPsec? With most VPN devices, the IPSec tunnel comes up only after “interesting traffic” is sent through the tunnel. Interesting…
Which protocol is used for clock synchronization? Network Time Protocol (NTP) Abstract. The Network Time Protocol (NTP) is widely deployed in the Internet to synchronize…
How does the computer know the IP addresses of other computers? How does the computer know the IP addresses of other computers? Your computer consults…
How do I stop someone from using all my bandwidth? How to prevent roommates from hogging bandwidth First, try to educate your roommates and ask…
How does MTU affect network? The larger the MTU size is, the more data that can fit into fewer packets. This generally results in a…
Why is LAN switching important? LAN switching technology helps to improve the overall efficiency of local area networks and address the existing bandwidth issues. What…
What is selective Q-in-Q? Selective Q-in-Q is the way to achieve Q-in-Q per CVLAN basis, where you have the flexibility to selectively choose and add…