You’ve probably been using ping, traceroute, Telnet, and SSH all through your lab efforts. But maybe not. This next chapter (CCNA Vol 1, Chapter 18) looks at those tools precisely, rather than treating them a brief aside to do some
Sometimes experienced network engineers just assume new engineers instantly know how all the fundamental tools work – but everyone needs time to think about and practice with the tools to get comfortable and proficient. This chapter in the CCNA books
This latest practice question looks at how a particular tracert command works. The previous explanation looked at the logic that occurred for all the TTL=1 packets. Today’s post next looks at all the TTL=2 packets created by the tracert command,
In this post I’ll start diving into an answer for that latest question about what happens when a host does a tracert command for a subnet broadcast address. You’ll need to check out the question first before most of this
Here’s a new question that makes you think about LAN broadcasts. I made this one up because of a post on the Cisco Learning Network about whether routers always choose to not forward broadcasts, or not. Traditionally, routers have been
