Using Quickvpn from behind cisco pix router

Discussion in 'Cisco Small Business Routers and VPN Solutions' started by Nsdesign, Feb 5, 2006.

  1. Nsdesign

    Nsdesign Network Guru Member

    I am unable to connect to my wrv54g using quickvpn, when behind a cisco pix router. The same wrv54g is accessible when connectiing outside the cisco pix router. I am told this is a known problem relating to the absence of nat-t on the wrv54g. Is this true?, and is there a work around solution, without adding additional hardware between the eqipment?
  2. TazUk

    TazUk Network Guru Member

    Partly, the WRV54G doesn't support NAT-T so you can't use a third party VPN client from behind a NAT enabled router. This is not the case for Linksys's own Quick VPN client, that should work fine. It's probably a firewall issue, check what ports are open on the PIX.
  3. Nsdesign

    Nsdesign Network Guru Member

    I believe my pix is not blocking any outgoing ports. So you must be referring to incoming traffic. If this is true, do you know offhand which incoming ports need to be opened on the pix?
  4. DocLarge

    DocLarge Super Moderator Staff Member Member

    You'll need to forward ports 443 (TCP) and 500 (UDP) from your PIX to the WRV54G. After you do this, you should get solid performance. I have ports on my perimeter router (SMCBR18VPN) forwarded as such to my WRV54G and all services to include quickvpn work fine...

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