- In the following diagram, R1 is performing path diagnostics towards R3's address, 2001::3. When a ping is triggered on R1, it generates an ICMPv6 echo message and forwards it to R2:
- As shown in the following screenshot, R1 sends an ICMPv6 echo request message (ICMPv6 type = 128) towards R3.
- R3, upon receiving the ICMPv6 echo request, will reply with an ICMPv6 echo reply.
As shown in the preceding screenshot, R3 replies ...