Did you downgrade both back to R77.30?p- yes we downgraded both boxes to R77.30
Also some samples of the rules in question may be helpful.
In R77.30 The working rule is
Source:Local Vpn domain network
destination :Remote vpn domain network
service :any
community :specific site to to vpn community
In R80.10 – we tried to create a specific rule with custom port on site to site vpn policy\
The custom ports are 8080,1521.avaya ports
Are you using App Control as well?- No
Also did you open a TAC case on this?- yes we opened a critical case but unfortunately TAC worked for 8 hrs and said that it was not an issue with the checkpoint .TAC mentioned that remote site (firewall cyberroam)have issues. But later when we reverted back everything worked .
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