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A collection of 9 posts

Freedom Internet on Cisco modem

Freedom Internet on Cisco modem

This morning I changed to another internet service provider (ISP) known as Freedom [https://www.freedom.nl/]. When into tech news in the Netherlands you've must have heard about the XS4ALL story, if not head over to this page [https://www.freedom.nl/over-freedom/waar-freedom-voor-staat/onze-oprichting]. The transition went not

Baby jumbo frames on VDSL by XS4ALL

Baby jumbo frames on VDSL by XS4ALL

Last week I acquired a new modem because the old one supplied by the provider was acting strange and I wanted it. The new modem is a Cisco 887VA router equipped with a VDSL2/ADSL2+ interface so that it could replace the previous Fritz!box. A day after I had

Upgrade Cisco IOS on the 877W

[https://vleeuwen.net/2012/12/upgrade-cisco-ios-on-the-877w/cisco-logo]Yesterday it struck me I was using a less secure wireless setup [https://vleeuwen.net/2012/12/improve-wireless-security-on-the-877w] while the more secure was just a simple configuration change away. While adjusting the configuration I noticed the software version was pretty dated because my

Improve wireless security on the 877W

[https://vleeuwen.net/2012/12/improve-wireless-security-on-the-877w/cisco-877w-front]I just discovered my three year old Cisco wireless router [https://vleeuwen.net/2009/05/new-isp-new-router] was configured to do WPA encryption instead of the more secure WPA2 version, which is the standard nowadays. WPA uses TKIP (Temporal Key Integrity Protocol) while WPA2

Intermittent WiFi signal

[https://vleeuwen.net/wp-content/uploads/2012/06/wifi.jpg]I experienced a intermittent WiFi signal lately on multiple devices. Since I haven’t touched my router configuration [https://vleeuwen.net/2009/05/new-isp-new-router] for a while it had to be something different. Some time passed before I realized it could

Cisco 877W CCKM authentication failed

Using the wireless functionality of the Cisco 877W router I discovered that the wireless connection being disconnected en reconnected intermittently. At fist I thought it might be my Linux notebook doing wierd things, but as other wireless clients acting the same I suspected my new broadband router. Looking at the

Cisco doing secure SNMP

Version 3 of the Simple Network Management Protocol (SNMP) is developed with as main purpose securing the insecure SNMP protocol. Since I needed to setup SNMP for a monitoring tool I decided to do it the secure way, which is SNMP v3. This article will describe how to configure SNMPv3

877W wireless config

As mentioned earlier I would post my wireless configuration of the Cisco 877W router as soon as I got it to work the way I like. In this setup the commonly used IRB bridge option is not used. This configuration will also work on the 857W model. ! dot11 ssid vlan

New ISP, new router

Recently I had to choose another ISP for my home internet connection, and because my previous modem was a bit limited in it’s capabilities I decided it was time to invest in a Cisco 877W Integrated Services Router. The main reason to choose for the 877W is that I