automation, networking, worklife
Who Said Comments Are Dead?
We don’t see as many comments on blog posts these days, as most discussion has moved to other forums, such as Twitter or Google+. But this doesn’t mean that comments...
07 Jul 2014
HPN Script Repository on GitHub
Dobias van Ingen is working to get an HP Networking scripting community together. This is to take advantage of various HPN scripting capabilities, such as:
02 Jul 2014
SNMP Counters - Collection Interval Variation
Counter data types are commonly used in SNMP monitoring. They are extremely useful, but there’s a couple of caveats around how to use them. Here’s a couple of issues I’ve...
29 Jun 2014
CloudFlare: That Was Easy
I switched this blog over to using CloudFlare a few days ago. It’s all been pretty painless, and I highly recommend it to others.
28 Jun 2014
APNIC - final 'final' /22 now available
APNIC entered their “final /8” phase in April 2011. From that time, new and existing APNIC members could request a maximum of one IPv4 /22 prefix. Once you had requested...
24 Jun 2014
Using Paramiko/Python with FortiMail
Fortinet makes an email security/anti-spam appliance called FortiMail. I wanted to collect spam and virus statistics from it, to integrate with our Network Monitoring Systems. Unfortunately the data is not exposed via SNMP or API,...
22 Jun 2014
Cisco Political Comments - Why?
I freely admit to not truly understanding the American political/economic system. Sure, I get the general mechanics of it, but I don’t understand the subtle plays, and why people do certain...
20 Jun 2014
Getting More Information From Your Logs
Packet Pushers normally focuses on networking, but episode 192 covered “Logging Design and Best Practices.” I often think about logging in the context of network management, so it was good...
19 Jun 2014
Is Cisco Struggling with Their ACI Messaging?
Cisco ACI represents a significant shift in the way we approach networking. This sort of shift will need massive customer education to explain their new vision. I’m getting the impression...
02 Jun 2014
Comparing Employment Relationships
I periodically re-evaluate my career, and my current position, and try to decide A) Should I change, and B) What sort of change should I make? One part of evaluating...
28 May 2014
War Stories: Proxy ARP Auto-Configuration
This article is Part 5 in a 12-Part Series. Part 1 - War Stories: Loops that Permanently Broke the Network Part 2 - War Stories: Switches Lying about Duplex Mismatches...
26 May 2014
Proxy ARP Sucks
Proxy ARP was often used in network designs 10–15 years ago, to enable NAT. It helped get around some specific challenges, but it was always an administrative hassle, and caused...
24 May 2014
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