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Yes, however, the problem is that the mail server announces itself as: Received: from mail.example.com (unknown [111.111.111.111]) by mail.example2.com That would be fine except 111.111.111.111 is the external NAT ip of the firewall and not the public address given to the mail server...

We have a /27 block of IP addresses and have assigned various internet-facing servers public addresses using: ip nat inside source static tcp i.i.i.i port e.e.e.e port extendable The mail server, for example, will not report its address as e.e.e.e - it will instead report the address of the...

We have a situation at one site where 4 PSTN lines enter the building and go straight into a 4FXO module in a C1700. These 4 lines are configured in a hunt group - there is one "master" phone number and if that's busy the next number will ring etc. This system works fine if 4 analog phones are...

Forgot to ask - on which pix should I set the "isakmp nat-traversal 30" command? I assume the remote pix but does the local pix need to know explicitly or will it find out from the type of packets it receives.

Hmm.. The remote pix plugs straight into a cable modem but I'll ask the user to "show ip address outside" after the pix has received an IP. I take it that's what you meant - to make sure it's public. Are there any drawbacks to using "isakmp nat-traversal 30" regardless of the outcome of the...

I've just been informed that the remote PIX can initiate the VPN tunnel but can't do anything else like map drives or ping hosts on the other side. The VPN light comes on and I can look back in the local PIX's log to see an active IPSec/IKE tunnel at the same time. I know it's something...

I'm trying to configure a simple VPN between two PIX 501s - one with a static IP and one on a cable modem. The guide entitled "Configuring PIX to PIX Dynamic-to-Static IPSec with NAT and Cisco VPN Client" at...

Anyone?

Having a few issues connecting a PIX501 to a Cisco 1700. The 1700 has been configured as a VPN server and has for months been working fine for remote users with the Cisco VPN Client software. I'm trying to get a "site to site" VPN working and have run into a brick wall. I'll paste the PIX config...

Thanks. I've implemented the call forward on busy feature and that seems to work ok. We're upgrading to ccm4 as soon as the disks arrive and I'd like to take that opportunity to redesign the system again from the bottom up, especially in light of the availability of broadcast hunt groups -...

I've got what I think is a rather trivial problem but I'm new to CallManager and there are a fair amount of knowledgable people here, so here goes: We're using CallManager 3.3 with a fair amount of 7940s and a couple of 7960s. One of those 7960s has three external lines pointing at it...