[strongSwan] what does "sent QI2, ipsec sa established" on Initiator and "sent MR3, isakmp sa established" mean?

[Rajiv Kulkarni]

Hi

I have a question for IKEv1. when i run the command "ipsec status", i get
to see:

-------------------------------------------------
On initiator:

sent QI2, IPsec SA established
(ISAKMP SA established)
and on Responder:
(IPsec SA established)
sent MR3, ISAKMP SA established
---------------------------------------------------

so what does the QI2 and MR3 mean?

thanks & regards
rajiv
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