help to VPN between Cisco and FGT

[quynhln8]

I set VPN site2site between Cisco2911 and FGT v6.4
Config as attach

so phase 1 done, but phase 2 down

The things is, I don't set crypto policy with DH group14, so phase1 up with this DH group. When I change DH group on FG to group2, phase1 down.

pls help me to fix this bug 

[MHM Cisco World]

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Debug crypto isakmp 

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MHM

[balaji.bandi]

I have seen some issue some time back - try lower the DH 5 and test it.

also post the debug log what is the errors you getting on Cisco routers.