Networking

Feb 092015
 
Observium - new monitoring software

Observium is an autodiscovering network monitoring platform supporting a wide range of hardware platforms and operating systems including Cisco, Windows, Linux, HP, Juniper, Dell, FreeBSD, Brocade, Netscaler, NetApp and many more. Observium seeks to provide a powerful yet simple and intuitive interface to the health and status of your network.

Observium Community is available free and open source. Observium Professional … MORE

Dec 142013
 
Orion Failover Engine (FoE)

SolarWinds’ Orion Failover Engine (FoE) is based on NeverFail‘s Heartbeat which allows installation of nodes (servers) in 2 ways:

  • High Availability (HA), commonly called LAN implementation, in which nodes have the same IP address and Packet Filter is responsible for isolating respective node from the network by blocking (filtering) traffic on Principal (public) interface
  • Disaster Recovery (DR), commonly called
MORE
Oct 292013
 
NeverFail Heartbeat DNSupdate for servers not in AD

NeverFail’s Heartbeat allows installation of servers (nodes) in 2 ways:

  • High Availability (HA), commonly called LAN implementation, in which nodes have the same IP address and Packet Filter is responsible for isolating respective node from the network by blocking (filtering) traffic on Principal (public) interface
  • Disaster Recovery (DR), commonly called WAN implementation, in which nodes have different IP addresses and
MORE
Sep 242013
 
SNMP Enterprises

Some useful information for anyone working with SNMP:

 

BASE OID: 1.3.6.1.4.1 (Enterprise MIB)

 

VENDOR ICON VENDOR NAME VENDOR ID
IBM 2
Cisco 9
SUN MIcrosystems 42
UCDavis 2021
FreeBSD 2238
Juniper 2636
VMware 6876
Net-SNMP 8072
SolarWinds 11307
Riverbed 17163
Apache Software Foundation (ASF) 19786

 

REF: http://www.iana.org/assignments/enterprise-numbers/enterprise-numbers

 

MORE
Jun 202013
 
SolarWinds Orion Webconsole slow...

Well, that is very common complain. And in majority, and I mean majority cases I came across it is related to the way system’s environment is set up. Starting from the fact that everybody is going virtual without serious review of requirements to meet expectations, to simple DNS mistakes. So to highlight how to go about it:

  1. check OS itself
MORE
Apr 162013
 
My broadband speed test results

I’m using the fastest at the moment broadband service – 150 Mbps (down) and 10 Mbps (up) – from UPC. Initially I had 100 Mbps / 7 Mbps service but at some point UPC automatically upgraded my service to 120 Mbps / 7 Mbps free of charge (isn’t that great…). Soon after they introduced 150 Mbps / 10 Mbps … MORE

Bandwidth conversions

 Posted by on 2013-04-16 at 00:11  Networking  No Responses »
Apr 162013
 
Bandwidth conversions

Always getting these bandwidth calculations bit confusing so for once for most common units something quick and useful. Let’s focus on type of units in which we can express data transfer rate of the network interface.

Fundamental units, or suffixes, are below:

BIT – smallest unit of information, either 1 or 0, written as bit or b (small letter … MORE