What is Subnet Mask, Types of Subnet Mask? Why you should care? Well, every device in the IPv4 network has its own subnet mask, that defines which subnet device it belongs to. Subnet mask is a 32-bit number that is being combined with device IP for identification of its subnetwork.
Subnet mask can be written either in binary (111111.111111.111111.000000) or decimal ...
This protocol is necessary for ensuring that data has been successfully received by the recipient node. ICMP reports to the sender on successful or unsuccessful data delivery. It indicates reason for data delivery failure like:
TTL (Time To Live) expiry
Data destination reach failure
Network congestion
ICMP provides failure information, that might be very useful for problem troubleshooting, but it does not solve any ...
