Tag Archives: Cisco
iPad for Engineers – Generating strong passwords
Creating passwords is not something that any of us really enjoys doing. To keep the wolfs at the door, we all need to do a better job with creating strong passwords. Sometimes you get into a rut and cant come … Continue reading
Network Toolkit – Basic etherchannel setup for server use
Once in a while I need to setup a multi-port connection between a server and one of the Cisco switches. This process is usually started by the vendor whose product is running on a server or by a group who … Continue reading
Network Toolkit – Cisco 10GbE Optics Cheat Sheet
As networks become faster and faster, we keep having to make changes to keep things going at warp speed. I had been doing some research lately on 10Gig fiber connections using Cisco gear. Finding the information as to what fiber … Continue reading
Change to Cisco RMA procedure
For those that haven’t had to work with Cisco TAC on an RMA return, there is a change that I ran into a couple of days ago that you might want to know about. In the past, you would get … Continue reading
Network Toolkit – Poor Man’s way of testing an SFP
When I walked into a company recently, they had a stack of SFP’s that were not in any type of anti-static container or bag. Needless to say, there was no way of telling at first glance if the SFP’s were … Continue reading
Network Toolkit – Routed vs switched interface
I was working on a switch recently and noticed a physical interface configured similar to this – Int gi3/5 ip address 10.1.1.2 255.255.255.0 This port was on a 6500 Chassis. The challenge I ran into was that I was replacing … Continue reading
Network Toolkit – When to use a console server
A console server is viewed far too often as a luxury item that can be justified. Console servers are useful at more than just data center locations. Sometimes you don’t know how much you may need or use one until … Continue reading
Network Toolkit – Uploading IOS binary via xmodem and console port
I was working on a switch recently and ran into something I hadnt seen before. I uploaded an updated IOS binary to the flash memory, verified the file using the IOS Verify command and used the boot system command to … Continue reading
iPad for Engineers – Cisco Technical Support App
This is an app that I use frequently. It allows me to watch for replies to questions I have posted in various Cisco Support Community forums. For forums that match the various technologies that I work on, I can “subscribe” … Continue reading
Network Toolkit – Where to place taps, multiple single taps or a single tap with multiple ports to use
The downside to using a Ethernet TAP is that you have to have a momentary disruption on a network when you install or remove a TAP. If you need to use one in a longer term situation, an outage shouldnt … Continue reading
