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Tag: icmp

Exact meaning of ICMP protocol 1 port xxx unreachable in a ping exchange

By JamesPosted on December 28, 2022

QUESTION : A tcpdump of a ping session shows the following two lines: IP gateway.comp.com > somehost.comp.com: ICMP redirect 10.8.0.10 […]

Does ICMP use any processes from above layer 3?

By JamesPosted on July 24, 2022

Problem : I’m doing a project and have to describe the process of a ping from layer 7 to 1. […]

Does ICMP use any processes from above layer 3?

By JamesPosted on September 4, 2021

QUESTION : I’m doing a project and have to describe the process of a ping from layer 7 to 1. […]

How do I forward traffic between Tun device and eth0?

By JamesPosted on August 22, 2021

QUESTION : In summary, I would like to have Tun device traffic forwarded back and forth through another network interface […]

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