automation, networking, worklife
'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
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...
21 Jul 2013
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...
17 Jul 2013
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...
15 Jul 2013
WMI Corruption on Citrix XenApp Servers
The Windows WMI repository can become corrupted on Windows 2008 R2 servers being used with XenApp. WMI corruption can cause problems for monitoring systems, and potentially some applications. Here's how...
11 Jul 2013
Has HP Abandoned Operations Manager?
HP Operations Manager has been around a long time in the Enterprise server management space. I first started working with it around 2001, and I’ve always had a soft spot...
08 Jul 2013
NNMi - replacing LDAP SSL Certificate
NNMi can use LDAP for authenticating users, with or without SSL. Recently a customer changed the SSL certificate used on their LDAP server, which broke NNMi authentication. NNMi trusts one...
05 Jul 2013
IMC or NNMi - Which One is For Me?
This is a companion post to my review of the technical differences between NNMi and IMC. That one tried to stay focused on technical matters, but this post is more opinion-based....
01 Jul 2013
HP IMC (26)
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Routing & Switching (52)
Open Source (2)