Author: Chris

Tweet [ Phone Configuration ] 1. Getting setup mode. When the Nortel IP phone is powered on, wait until "Nortel network" sign comes on the…

  It took a while to figure out how to setup Nortel IP phone with window 2008 server DHCP auto configuration and here is the…

While I was configuring GNS3 with VirtualBox, I noticed VirtualBox host-only network adapter was not created. And I got below error message, when I add…

How to add DHCP scope option on Window Server for Nortel IP phones 1. From DHCP server manager, highlight on name of DHCP server  …

Tweet   Default password of Nortel IP Phone 1140E is color*set

NX server package is not included on Ubuntu distro as default. So, you need to add repository URL on sources.list at /etc/apt. Let’s configure FreeNX…

DHCP – Modify ‘interfaces’ file at /etc/network/. Kubuntu_Server# pico /etc/network/interfaces   # The primary network interface – use DHCP to find our address auto eth0…

Tweet   Why Cisco 6509-E indicates "operationally non-redundant"? and  occasionally, one of slot is reloaded itself. It might be couple of reasons, but in my…

As you know, there is an limitation of vlan-port instance (logical port) on certain platform. Here is the fomula to get that info. Total number…

Cisco 6504-E, with IOS 12.2(33) SXH5, indicated below message in the log…. "%PM-SP-4-LIMITS: The number of vlan-port(logical port) instances on module 3 exceeded the recommended…

Tweet Came across nice putty add-on utility to make auto login…. it’s handy for engineer who needs to access multiple device in daily basis. Check…

By default, EBC(Edge Boundary Controller), Net-Net 4500(Acme Packet) is not allowing ICMP reply to others. Here is the way to setup in order to ping…