Windows Gets a 0.0.0.0 Default Gateway
KB ID 0000332 Problem Seen on Windows 7 but can also occur on Vista, I had this problem a while ago and fixed it then it reoccurred this morning (after I’d spent a morning on a client site changing my IP address a few times. As soon at I got back to the office the machine picked up an IP address form DHCP with the correct default gateway, but sat above that was a default gateway of 0.0.0.0 I could not ping anything outside my...
GNS3 – Assign an IP Address to Linux Microcore QEMU Guest
KB ID 0000932 Problem The whole point of having these guest machines is for testing communications, putting an IP address on them so you can ping things, is a pretty basic step. Solution 1. Console in, and execute the following commands, obviously change the IP addresses to the ones you require. sudo su ifconfig eth0 10.10.10.10 netmask 255.0.0.0 up route add ip default gw 10.10.10.1 route add default gw 10.10.10.1 Related Articles,...
Cisco Catalyst Switches – Set a Management IP and Allow Telnet and Web Management
KB ID 0000614 Problem If you want to manage your Cisco Catalyst switch it’s not always practical to plug a console cable in to change its settings or monitor what it is doing. Putting an IP address on it and enabling remote management via Telnet or from your web browser is a better alternative, particularly if you have a lot of switches. Solution Enable Telnet Management on Cisco Catalyst Switch 1. Connect to the Switch using a...
Cisco IOS – Find The ‘Default Route’ For A VRF
KB ID 0001086 Problem Routing is one of my weaker subjects, and today I was trying to chase some routes though a network to locate all the firewalls. The core of the network has a bunch of 6500 Switches in various data centers. I tracked the network I was working on to an SVI on one of the core switches, that was in a VRF. But how could I find the ‘next hop’, the routing table on these switches is very large. Solution...
Cisco ISE NFR Appliance Setup
KB ID 0001066 Problem The Cisco ISE NFR appliance is for demos and test bench use, I’m currently building a test lab for ISE so I spun a copy up. I looked at the associated ReadMe.pdf for instructions on the basic setup, and found a hyper-link to the instructions, that didn’t work! bah. Solution The appliance comes as an OVA file for importation into vSphere/ESX, I’m assuming you have already imported the appliance....