About Packetslave Industries
I am a Senior Network Engineer for a large global IT consulting company. I completed my CCIE Routing & Switching certification (#23115) in January 2009 and am currently working on CCIE Security. From time to time, I manage to sleep. more →Delicious Bookmarks
- Quirks of the Cisco 6500 Sup720 Module Ports
Some things to look out for when working with the Sup720-10GE on the Cat6k. - A List of FREE VMware vSphere Tools
Great collection of 3rd party (and some official) tools for VMware that don't cost a cent. - Make Sure Your Rails Application is Actually Caching
Quick tip to ensure that Rails is actually serving from cache and not just pretending to do so. - Enabling VMotion on internal vswitch
How to make VMotion work when VMs are connected to a vSwitch with no physical interfaces. - Release Notes for the Cisco ASA 5500 Series, 8.3(x)
Update for the ASA appliances, featuring Anyconnect updates for 64-bit operating systems and a radically new NAT syntax. - Cisco Catalyst 6500 Architecture White Paper
The official source for Cat6k architecture and design questions. - Notes on Cisco Catalyst 6500 architecture
High-level overview of the various backplane and fabric options in the Cat6k. - Extracting a 3DES key from an IBM 4758
Software-based attack for stealing the crypto keys from a tamper-resistant IBM crypto processor. - PowerCLI: Changing a VM IP Address with Invoke-VMScript
How to update the IP address of a Windows VM programatically using the PowerShell-based PowerCLI. - Auto-configure Linux vmware-tools at Boot time
Bash initscript to ensure your vmware tools get reconfigured when the kernel is upgraded. Could use a tweak to not run on a non-VM host. - Upgrade SQL Express to Standard or Enterprise
This will come in handy if you start out with vCenter running on the included SQL Express server and later outgrow it. - VMware Virtual Center Attributes – It’s all about the details
Covers a lesser-known but VERY useful feature in vCenter for adding metadata to virtual machines. - VMFS or NFS
Performance and other considerations when choosing a storage architecture for vSphere. Also touches on FC vs. iSCSI/NFS. - Designing Secure Multi-Tenancy into Virtualized Data Centers
Cisco Validated Design for the just-announced VMware/NetApp reference architecture. - Cisco Internal WAAS Implementation
High-level overview of Cisco IT's WAAS rollout to 200+ remote offices. The resulting CIFS optimization lead them to massivly consolidate file services to regional hubs.