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05/23/2003 at 08:11AM PDT, ID: 20624584
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7.8

problem with Lan2Lan tunnel using 2 Cisco 3005, via PIX 525/515E

Asked by nealgs in Network Software Firewalls, Cisco PIX Firewall, Enterprise Firewalls

Tags: lan2lan, 525, interface, ping, pix

Our remote office is moving premises next week (30/31 May) and i've been given the task to get them connected to our head office.

There is a 2mb ADSL circuit at the new office which is being linked to HO via a VPN tunnel.  The tunnel is created between 2 Cisco 3005s which inturn connect thru a PIX 525 (HO) and a PIX 515E (New Location).

The tunnel is up and i can ping from the HO to a PC on the inside network, and from NewLocation to HO internal lans, but I can't telnet to the Inside interface on the 515E at the new office (weird), so at the moment i'm VPNing to the concentrator at the new location and VNC onto a PC there, then using telnet from it to the firewall.

What am I missing that prevents me from telneting to the inside interface.

I've configured telnet for ip's thru the tunnel etc but no luck.  If I try to ping the inside interface (192.168.52.1) with debug on, nothing arrives yet if i ping a PC on the inside (192.168.52.2) the ping is seen on the PIX.

If it's any easier with a diagram, i've got a jpg image that will help - don't think you can post them on here?

UPDATE....
I'm trying to do a TFTP from the Newlocation PIX to a machine at HO (192.168.8.241), which i can ping from the firewall, but the TFTP fails with a timeout error even though HO pix has a nat/access-list rule :

nat (inside) 0 access-list 101
access-list 101 permit ip 192.168.8.0 255.255.255.0 192.168.52.0 255.255.255.0

am i misunderstanding what this does?.  192.168.52.0 is the inside network at the Newlocation and is accessed via the vpn tunnel, I don't want the addresses NATted, hence the nat (inside) command

Also, i'm unable to VNC to PC's inside, which i'm unsure as to why, althought using debug on the PIX, i can see the VNC requests entering etc

It's definately a rule problem, but i'm not completely understanding their application etc yet

can anyone assist with this please.

many thanks
Gary
[+][-]05/23/03 10:50 AM, ID: 8573656

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[+][-]05/24/03 06:14 AM, ID: 8577081

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[+][-]05/24/03 06:15 AM, ID: 8577084

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[+][-]05/25/03 05:17 PM, ID: 8581632

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[+][-]05/28/03 01:40 AM, ID: 8596410

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[+][-]05/28/03 02:57 AM, ID: 8596683

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[+][-]05/28/03 04:41 AM, ID: 8597092

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[+][-]05/28/03 08:42 AM, ID: 8598886

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About this solution

Zones: Network Software Firewalls, Cisco PIX Firewall, Enterprise Firewalls
Tags: lan2lan, 525, interface, ping, pix
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Solution Provided By: lrmoore
Participating Experts: 1
Solution Grade: A
 
 
[+][-]05/28/03 09:09 AM, ID: 8599101

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[+][-]06/02/03 12:55 AM, ID: 8627707

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