Re: cisco and linux VPN

From: administrator (administrator_at_integrated-group.com)
Date: 12/06/03

  • Next message: Arden Norder: "Re: SV: [Cron <root@mail> sh /root/save_slox]" 
    To: redhat-list@redhat.com
Date: Sat, 06 Dec 2003 14:42:39 +0200

    well yes i sorta was like short on details , now i know what i'm gonna
    do ( i guess,correct me please )

    we have 3 vpns established on an 2600 router that is located at our ISP
    (the router is remote)

    and here on my local lan i have this set up

    * internet > modem > cisco 805 router > Redhat 9(NATting here) < switch
    < users

    we need to access the vpns on the 2600 router

    ^ that was my question

    so far i got :
    i will use IPsec , and establish sn encrypted tunnel (vpn) between the
    linux server and the 2600 cisco , on the cisco 2600 , a route from the
    one interface to the other is configured , so that traffic from the
    linux will be fwded to the already established 3 vpns
    and on the linux there will be a static route so that any traffic from
    LAN to vpns ips will take the tunnel :)

    vpn will be between the linux and cisco
    on Linux will use Free S/WAN

    no pptp i guess
    is all that i just said OK , or lacks anything , i did configure the
    cisco , working on freeswan now , someone mentioned spit-tunneling to me
    , what is that ??

    Jason Dixon wrote:

    >On Thu, 2003-12-04 at 09:30, Willem van der Walt wrote:
    >
    >
    >>No, but GRE is what passes through your nat ant routers.
    >>All equipment does not support the handeling of GRE.
    >>Cisco and linux does.
    >>Do you have a particular problem or do you just want to know
    >>how it fits together before you start?
    >>There is a particular port that is accessed on the server end.
    >>This is with pptp.
    >>If it is just nat and no firewall, it aught to work.
    >>
    >>
    >
    >Maybe it's just my lack of familiarity with Cisco VPNs, but I wonder why
    >you've assumed he's using PPTP. Most [non-Microsoft] VPNs out there use
    >IPSec, which utilizes one or both of ESP (Encapsulated Security Payload)
    >and AH (Authentication Header). IPSec-based VPNs do not use GRE.
    >
    >Granted, the original poster was lean on details, I didn't fully
    >understand his question.
    >
    >
    > 

    -- 
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