Cisco ASA missing hop in traceroute
tracert * * * request timed out? By default if you do a Traceroute behind a Cisco ASA or PIX, you will notice that the ASA is missing in the Traceroute table. ie. the IP address of your ASA does…
Cisco
How to enable Cisco Anyconnect VPN through Remote Desktop
Problem: RDP not working over VPN? Getting this error message? VPN Establishment capability from a Remote Desktop is disabled. A VPN Connection will not be established. Solution: By default, VPN establishment capability is disabled once you remote into a remote…
How to configure Cisco Netflow for Unsupported switches such as Cisco Catalyst 3750
Does my switch/router support Cisco Netflow? If you’ve come here you already know what Cisco Netflow is and you are probably looking for the best way to collect Netflow stats for an unsupported layer 3 switch or router. Well you’ve…
iPhone Exchange push email over Cisco VPN – IPSec or Anyconnect ?
Background: Why configure push email when you can set a very low fetch frequency? Fetching email frequently helps achieves the affect of getting notified of an email earlier. The main problem is however, on a mobile device the more frequent…
Cisco IOS schedule automatic configuration backup
Backing up a Cisco router or switch configuration is crucial for any network administrator. Wouldn’t it be useful if you could schedule an automatic configuration backup to an offline location? Or backup your configuration automatically to an offline location whenever…
Cisco IOS backup config via SSH!
Did you know you can backup your running-config or startup-config via ssh? I’ve been backing up configurations via TFTP for a long time but only recently started using SSH. Here’s how to do it. If you have a Linux/Unix server…
Ethernet Layer 1 Basics
In order to understand more complex network technologies it is important to have a strong understanding of the basics. So here we are Layer 1 – Ethernet, the most commonly used access medium for LAN network. An Ethernet cable consists…
Speed problems between a Cisco router and server
When plugging a workstation, server or PC directly behind a Cisco router, you might notice that you may experience speed problems. Why am I not able to get the full 100Mbps speed? I had run into this problem while deploying…
How to clear Cisco interface configuration
How do you clear cisco interface configuration? Using the “no” command on each line to remove the configuration can be tedious and cumbersome. Use the default command in global configuration mode to clear the interface configuration and restore the interface…
Configuring Cisco EzVPN on Cisco ASA and IOS Router
Cisco EzVPN – EASY VPN A Cisco EZVPN client is basically hardware VPN client that is always ON. It helps simplify deployment of branch locations where their public IP is handed out by a DHCP server and constantly changes. Today…