IPSEC aggressive exhange mode and enable passive mode

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IPSEC aggressive exhange mode and enable passive mode

I woulld like to understand the advanced IPSEC gateway configuration.

between to ike gateway on  with a static ip address and the other with a dynamic ip allocated.

to established the phase 1, i need to set the aggressive mode on both firewall or only on the one with dynamic ip allocated?

and  when I need to activate the enable passive mode?

thank's   


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1) the mode (main or aggressive) should be the same on both firewalls. so in case of dynamic ip -> set both to aggressive

2) passive mode -> this means that the PA will not initiate a VPN (but will listen to on being initiated to him).

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1) the mode (main or aggressive) should be the same on both firewalls. so in case of dynamic ip -> set both to aggressive

2) passive mode -> this means that the PA will not initiate a VPN (but will listen to on being initiated to him).

View solution in original post

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passive mode

- You don't need to enable this for VPN with dynamic IPS.

- This is handy for troubleshooting VPNs, since only the receiving side has advanced logs which can indicate the problem (the initiator will mostly only see "timeout"). So if you enable this you will always be the receiving side and thus have more logging...

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thank's for this

L1 Bithead

I have a IKEv2 site to site IPSEC VPN and I am trying to enable aggressive mode.  I can't find the option for aggressive mode anywhere?

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