Denis, > PPTP connection working well via Hairpin NAT 1:1.
Good to hear! Now if I could ask you for one favour to settle if we need an ALG or not. Could you analyse all your PPTP sessions (or all sessions that aren't TCP/UDP for that matter) and determine the total number of concurrent sessions using the same external DA and IP protocol. That number will be the total number of IP addresses you need in the external pool. Also interesting to see other statistics about those flows of course. Number of packets in flow, length in time of flow, number of total sessions, max concurrent sessions and so on. Cheers, Ole
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