Should I Monitor My Service Provider?

How much monitoring should I do for services that I’ve outsourced? This question comes up frequently with my clients. They’ve paid someone else to manage a service for them, and...

Service Timestamps - make your log timestamps readable

The default logging style for Cisco IOS-based devices is to insert the system uptime in the log entry. This makes it basically useless. Here’s some typical log output:

Help Me Do Business With You

A good customer of mine needs to replace their Service Desk system. Having a fair idea of their requirements, I asked them if they had looked at $(insert very well-known...

How Long Before CCIE SDN?

Cisco made some announcements about SDN certifications at Cisco Live US, in June this year. These didn’t seem to get a lot of attention at the time, perhaps due to...

'Black Tuesday' - Isn't it Just Business as Usual?

Microsoft patches are released on a (mostly) monthly cycle, and other vendors have started following suit. When this first happened, people treated it like a major event. But I think...

DHCPv6 Client on Juniper SRX-110

Juniper recently released 12.1X45-D10 for the SRX-110. The key new feature for me was DHCPv6 Client support - finally! It’s still new, and buggy, and I wouldn’t rush it into...

IMC - Changing Predefined Device Model Definitions

IMC has a predefined list of over 6,000 devices. This list maps sysOIDs to devices, so when you add a new device to IMC, it will say “this is a...

Managing Hybrid Networks

The most interesting talk I attended at HP Discover in Las Vegas this year was Ken Gott’s talk on “Management of Software Defined Networks and Hybrid Environments with HP IMC.”...

Configuring Timezones on IOS, ProVision and Comware

Timezones can be complicated things - every country has its own set of rules around how to decide what time it currently is - and those rules change, frequently. Modern...

IMC - Clearing up Misconceptions about Templates

I’d just like to clear up a little confusion that people have about HP IMC templates, and how they are used. Templates can be used to define credentials for different...

IMC - Network Discovery Methods

Auto-discovery can help you populate your NMS, and keep it up to date. HP IMC supports several methods of adding devices - either by manually adding them, or getting IMC...

IMC NTA Licensing - Watch the Fine Print

HP IMC has an optional add-on module for NetFlow/sFlow Analysis called “Network Traffic Analyzer (NTA).” This comes in 10-, 20- or 50-node license packs. Based on the license names, you...