Re: weird gateway to gateway vpn issue

From: David P (dp_at_cways.co.uk)
Date: 08/27/04


Date: Fri, 27 Aug 2004 13:57:06 +0100

nothing at all. not a sniff of information!

looks like an expensive call to microsoft! brand new install too... do I get
a free incident at all ?
"Bruno GUERPILLON" <spam@gerpion.com> wrote in message
news:%23SBN5PDjEHA.356@tk2msftngp13.phx.gbl...
> David P wrote:
> || bruno,
> ||
> || each site has their own internal DNS and DHCP server. Each client at
> || each site is configured to connect to the local site ISA server.
> ||
> || As stated, works fine if the vpn link is broken. but then the vpn
> || link is automatically re-established and then the other site can no
> || longer connect to Web pages.
>
> Any info in the event viewer ?
>
>
>
> || "Bruno GUERPILLON" <spam@gerpion.com> wrote in message
> || news:OgyuOtCjEHA.644@tk2msftngp13.phx.gbl...
> ||| David P wrote:
> ||||| Bruno,
> |||||
> ||||| The only protocol rules I have on server A on site A is for HTTP
> ||||| allow. ( FTP, FTP Download Only,Gopher, HTTP,HTTPS) and a real
> ||||| player rule (PNM client, PNM Server, RTSP,RTSPServer) and I have
> ||||| the same for server B on site B.
> |||||
> ||||| I can get out to web sites only from one site, If i want to get to
> ||||| web sites from site B I have to disconnect the gateway to gateway
> ||||| VPN. Once disconnected the VPN re-establishes itself and users on
> ||||| site B can get out to the internet but users on site A then
> ||||| cannot !
> |||||
> |||
> ||| Weird is the exact word.
> ||| Does both site got a DNS for internet name resolution ?
> ||| Does clients configured to only use their ISA ?
> ||| Is there any DHCP on the sites ?
> |||
> ||| Bruno
> |||
> |||||
> ||||| "Bruno GUERPILLON" <spam@gerpion.com> wrote in message
> ||||| news:OFVPGsAjEHA.1048@tk2msftngp13.phx.gbl...
> ||||||
> |||||| "David P" <dp@cways.co.uk> a écrit dans le message de
> |||||| news:uA7gc33iEHA.3712@TK2MSFTNGP15.phx.gbl...
> ||||||| I have a weird issue.
> |||||||
> ||||||| Scenario is single Windows 2003 domain with 2 sites. each site
> ||||||| has a domain controller that connects over the internet through
> ||||||| RRAS dial on demand gateway to gateway vpn links. Both sites
> ||||||| are part of the same windows 2003
> ||||||| domain and replication works fine between remote and hub domain
> ||||||| controllers.
> |||||||
> ||||||| Each VPN gateway at each site is running ISA 2000 SP2.
> |||||||
> ||||||| The vpn's work fine and I can access resources on the remote
> ||||||| sites. The issue I am having is that only one site can connect
> ||||||| to the internet through their local ISA server at any one time.
> |||||||
> ||||||| If I am on site A and the gateway to gateway is up only site B
> ||||||| can connect
> ||||||| to the internet through ISA. If I disconnect the VPN gateway on
> ||||||| site A. site A can then connect to the internet through ISA but
> ||||||| site B then cannot connect to the internet through ISA and so on
> ||||||| !!!!! The gateway to gateway
> ||||||| vpn is a persistent connection too.
> |||||||
> ||||||| I can resolve web sites to IP address's on the local ISA
> ||||||| server's no problem at all times.
> |||||||
> ||||||| What am I doing wrong ??? I have to implement another 2
> ||||||| additional sites next week so would like this bottomed.
> |||||||
> ||||||| Thanks in anticipation
> |||||||
> |||||||
> ||||||
> |||||| Hi David
> ||||||
> |||||| How are defined your protocols rules on each ISA ?
> ||||||
> |||||| Regards
> ||||||
> |||||| Bruno GUERPILLON
>
>



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