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jo

@sdsl.no

Low ipsec throughput USG 300

Hi!

We have two USG 300's, each connected to the Internet via 100Mbit/sec fiber. Each USG has a local subnet with 25-30 computers.

The USGs uses ipsec to connect the subnets. Everything works fine, but throughput is very low - about 4-8 mbit/sek.

Firewall and snat is used, no "extra" features are enabled.

So, we connected the USGs directly via a cat6 cable. Configured ipsec between them, and ended up with a 16 mbit/sek throughput. This is using ESP, and the results stays the same no matter which encryption we use.

If we use AH, we get 48 mbit/sek.

This seems very, very low. Does anyone have any hints or tips?



mozerd
Light Will Pierce The Darkness
Premium,MVM
join:2004-04-23
Nepean, ON

said by jo :

This seems very, very low. Does anyone have any hints or tips?

You should bet getting much closer to 80 Mbps. I have no idea why your not. I would contact ZyXEL support directly and have them figure out your issue.