Huawei EchoLife HG520s pass-through VPN?

Hi expert,

I would like to know whether the Echolife HG520s can pass through IPSec packets (UDP 500)?
Have already found and tested the port forwarding website but wan't able to make VPN connection:
http://portforward.com/english/routers/port_forwarding/Huawei/EchoLife-HG520s/Echolink.htm

Search the manufacturer website and look like this model does not support port fordwarding:
http://forum.huawei.com/jive4/thread.jspa?threadID=320885&tstart=100&orderStr=8

Are there anyone have the same problem? Any idea appreicate! Thank you.
FphcareEnginnerAsked:
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Kerem ERSOYPresidentCommented:
Hi,

I've checked the product manual. It does not mention about either VPN or IPSec pass through. IPsec protocol has two components. First of all it requires some IP packets (to be passed through) during the sending of AH phase. So it is not enough to pass UDP 500 packets.

You need a router that specifies it supports "IPSec Pass-trough" explicitly.  

Given that I don't think you can use IPSec passthrough with EchoLife HG520

Cheers,
K.
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Kerem ERSOYPresidentCommented:
I've also checked for DD-WRT which is an open source implementation of Wireless Access Points. But unfotunately your hardware is not supported at the moment.
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FphcareEnginnerAuthor Commented:
Hi Kerem,

Thank you for your advise.
I have tried the port forwarding again (http://portforward.com/english/routers/port_forwarding/Huawei/EchoLife-HG520s/Echolink.htm) and confirm it works on both physically and wireless.

However, it seems to reset itself (loss of network connectivity) every time when I try to connect to VPN either connected physically or wireless. Does that mean my VPN program sending IP packets and HG520s try to refuse them by reset?

For your information, my VPN client program is SafeNet SoftRemote 10.8.3.
Thank you for your help once again.
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