Skip to content
50FiftyPage

Glossary: TCP/IP in Depth, Part 1

time exceeded

Also written: type 11, time exceeded in-transit

An ICMP error (type 11) that a router sends when it lowers a packet's TTL to 0 and drops it. traceroute uses these errors to learn each router's address.

Where the book teaches it

Related terms

TTL (time to live)tracerouteICMP (Internet Control Message Protocol)