Cisco ASA5505 Setup (Via ASDM)
Nov17

Cisco ASA5505 Setup (Via ASDM)

KB ID 0000067 Problem Regular visitors to PNL will know I much prefer to do things at command line, but I appreciate most people trying to set up a new firewall will want to use the GUI. Before you start you will need to know what IP addresses you want to use, what password you want to use etc. Solution 1. You get two network cables in the box, connect your PC/Laptop to Ethernet port 1 (See the photo, that’s the second one in...

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IP Address Conflicts with VMware ESX and Cisco ASA
Nov17

IP Address Conflicts with VMware ESX and Cisco ASA

KB ID 0000635 Problem My colleague was setting up a DMZ server for one of our clients, it was a virtual server that was presented to the DMZ of a Cisco ASA 5510. Every time he gave it a static IP address it popped up an IP address conflict (no matter what the IP address was). Windows has detected an IP address conflict Another computer on this network has the same IP address as this computer. Contact your network administrator for...

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Cisco ASA 5500 – Configuring PPPoE
Nov17

Cisco ASA 5500 – Configuring PPPoE

KB ID 0000831  Problem Until very recently I’d never had to configure PPPoE. Most of my clients in that sort of connection speed range have ADSL with a router provided by their ISP. A Router that connects via PPPoA usually. Here in the UK the main ISP’s (BT and Virgin) are busy rolling out FTTC connections that terminate with a ‘modem’ that presents an RJ45 socket. So without the need for a router, you can get...

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AnyConnect Client Fails To Get IP From Windows DHCP Server
Nov17

AnyConnect Client Fails To Get IP From Windows DHCP Server

KB ID 0001053 Problem A few days ago I did an article on AnyConnect and Windows DHCP. I ran it up on the test bench for a client, and everything worked fine. Doing the install my test ‘remote’ client failed to get an IP address. As you can see the DHCP Server (Windows Server 2012 R2) is on a different network segment to the inside of the ASA. Solution 1. First this to do was debug the connection, ‘debug webvpn...

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