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VPN Client - Concentrator, large file transfers hang

svuorilehto
Level 1
Level 1

Hi all,

We have a problem with our VPN Concentrator setup. Clients are able to connect and can browse network resources just fine.

But with large file transfers (100-200mb), sometimes connection just hangs at some point. Sometimes file transfers succeed and this is what gets me very puzzled...

I have configured both ike and ipsec data lifetime to 1000000 KB and that should be more than enough for these transfers.

I don't think this is a MTU problem, because sometimes these transfers succeed.

Our concentrator version is somewhat old, 3.5.3 and clients are version 4.0.2.

Any suggestions? For concentrator update I have to be pretty sure, that new version will work because our IT staff doesn't like "unnecessary" network outages at all... But who does ;)

Thanks in advance,

*******

Saska

1 Reply 1

umedryk
Level 5
Level 5

I think you have to upgrade your concentrators with the latest code.