automation, networking, worklife
Accounting Models and Cloud Service
Everyone talks about how moving to Cloud-based services can reduce CapEx, and that you only “pay for what you need.” People seem to assume this is a Good Thing, and...
06 Sep 2013
HP IMC: Troubleshooting Device Backup Problems
HP IMC is great at backing up your switch configurations, but it can be very frustrating when it doesn’t work. Here’s a list of steps I go through when debugging...
04 Sep 2013
OpenFlow implications for network monitoring
I’ve been reading more about OpenFlow recently, and something that was pointed out to me was that OpenFlow offers features that could give us deeper insights into our traffic flows,...
31 Aug 2013
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...
21 Aug 2013
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:
16 Aug 2013
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...
14 Aug 2013
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...
11 Aug 2013
'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...
10 Aug 2013
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...
07 Aug 2013
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...
02 Aug 2013
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.”...
29 Jul 2013
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...
27 Jul 2013
HP IMC (26)
HP Master ASE (8)
HP NNMi (6)
Routing & Switching (59)
Open Source (2)