PIX config problem

From: Michal Mertl (mime@kpnqwest.cz)
Date: Mon Jun 03 2002 - 07:08:05 EDT


I'm building IPsec VPN using PIX 515 as hub a 1751 a spokes. I want to
centralize all Internet access on PIX. I have 3 interfaces on the PIX -
private network of HQ, DMZ and external. I thought I would configure the
tunnels on PIX, the decrypted traffic would than be routed - when destined
for Internet PAT translated. It seems it may not be possible to configure
according to "Cisco Secure PIX Firewall FAQ" and question 'Can I operate
the PIX in a "one armed" configuration?'.

The error I get is "106011: Deny inbound (No xlate)
icmp src outside:10.1.0.2 dst outside:aa.bb.cc.dd (type 8, code 0)".

The topology of the hub-site is this (numbers are security levels):
Internet--<router>--outside(0)--<PIX>--DMZ(60)
                                  |
                               inside(100)

After more diging the docs seem to indicate that it's impossible to build
hub and spoke network where everyone can communicate with each other with
PIX (http://www.cisco.com/warp/public/110/pixhubspoke.html). I find it
hard to believe. Please tell me that's not the case or I'm completely
screwed.

I've already found that Internet access is possible with four interfaces.

-- 
Michal Mertl
Specialist IP Service Development
KPNQwest Czechia s.r.o.
GTS Czech a.s.
Vinohradska 184
130 52 Praha 3
Tel.: +420 2 96157111
Fax: +420 2 96157444
e-mail: Michal.Mertl@kpnqwest.cz
____________________________________________
Počínaje datem 1.5. 2002 došlo k provoznímu
sloučení společností KPNQwest a GTS



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