Huh? Interface SSLVPN-VIF0?
While checking interface statistics on a Cisco 3845, I noticed the following layer 3 interfaces. Interface IP-Address OK? Method Status Protocol GigabitEthernet0/0 74.124.155.67 YES NVRAM up up GigabitEthernet0/1 10.10.10.1 YES NVRAM up up GigabitEthernet0/0/0 unassigned YES NVRAM administratively down down SSLVPN-VIF0 unassigned NO unset up up Tunnel0 192.168.255.2 YES NVRAM up up I can explain … Read More
Playing with text files in Linux
I had a big Microsoft Event Viewer log file and I wanted specific information from the log file. At first I was thinking about using Microsoft Excel to do some filtering, but that didn’t really help. At the end Linux did the trick. I used Cygwin under Windows to extract the specific information. The raw … Read More
Cacti and HP Procurve
Finding a template for HP Procurve switches wasn’t that hard. I needed to find a template for HP Procurve 2510G switches. The place to look for templates is forums.cacti.net. I searched the forums on the key word “procurve”, which resulted in many hits. I used the template from the article HP procurve 2600 series. After … Read More
Configuration Example, Security
Configure IOS SSL VPN on IOS router
Yesterday I blogged about configuring a VPN client on an IOS router and today I blogged about importing PKCS12 certificates for WebVPN purposes. This follow up blog is about configuring the WebVPN functionality together with the AnyConnect client and port forwarding on an IOS router. I use the same setup as with the VPN client … Read More
Configuration Example, Security
Import PKCS12 certificate on IOS router
Nowadays IOS routers can be configured with WebVPN (Clientless SSL VPN) functionalities. WebVPN allows a user to securely access resources on the corporate LAN from anywhere with an SSL-enabled Web browser. To secure the connection you should use a SSL certificate to encrypt all transferred data. There are different ways of creating and importing SSL … Read More
Configuration Example, Security
Configure VPN client on IOS router
One way to remotely access a network is using the Cisco VPN client. Nowadays more and more implementations of SSL VPN are being done and Cisco stopped their development on their VPN client and pushes their Cisco AnyConnect client. Still the Cisco VPN client is often used to remotely gain access to a network. The … Read More