Infrastructure

Java Update 13 breaks Cisco SDM 2.5

By Howard | Published April 22nd, 2009

Another post in a series designed to help Future-Howard work out why things have broken.
If you install Java 6 Update 13 and then try and log into Cisco SDM 2.5 it will fail. The SDM console will not load.
I found I had to go back to Java 6 Update 6 (available at the Java…

Bad Bell Wire!

By Howard | Published March 10th, 2009

It’s one of those “why didn’t I think of that before?!” moments.  BT are selling a device called the iPlate at the moment claiming that for 7 out of 10 people it will increase their DSL speed by filtering out the noise from the bell wire in your master socket.  By all accounts it does…

Clearing a Cisco Router's Dynamic NAT Table

By Howard | Published December 1st, 2007

I keep needing to do this – so once again to help my future self:
When you have a number of public IPs being translated through a router to an internal address space, a router’s dynamic translation can get full. I’ve got an 877W, and it seems that a combination of running BitTorrent and a…

Nooo! Infrant ReadyNAS NV Death

By Howard | Published June 27th, 2007

Noooo! One of my ReadyNAS devices died today. Based on the “hot component” smell and the fact that nothing lights up I’m hoping that it’s just the PSU/mainboard that fried, and that all my disks with their lovely XRAIDed data are intact.
I’ve sent a trouble ticket to support, but since they’re now owned…

m0n0wall and MS Virtual Server

By Howard | Published March 4th, 2006

We recently had the need to simulate a routed environment with low bandwidth/high latency links between remote sites.  To achieve this I used m0n0wall – a free software router – running inside Microsoft Virtual Server on multiple virtual NICs.  Here’s how to get it up and running…

Things I Have Learned This Week

By Howard | Published February 17th, 2006

Thing the first:
Microsoft Virtual Server 2005 does not support teamed NICs on the host.
This bit us on the arse earlier this week when we teamed the NICs on the hosts of our virtual environment. As a result, although we could RDP to the host desktop, all our guest machines dropped off the network. …

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