Sam Russell Central

A network engineer's story of routers, switches, flows and packets

Thursday, March 29, 2012

Polishing pyswitch

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Polishing pyswitch I've had my modified version of pyswitch running on NOX for a couple of weeks, and it's working fine. The key ...
2 comments:
Monday, March 26, 2012

Thugs at New Zealand skateparks

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This is totally off-topic, but I saw this and it made me really angry. I used to love skateboarding when I was a kid, and the thought of gro...
Saturday, March 17, 2012

Multicasts and Broadcasts and Flows, oh my!

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Background If you've set up pyswitch and NOX with Open vSwitch then you'll notice that any packets that don't match a flow get ...
1 comment:
Thursday, March 15, 2012

Dead drops: breaking open USB flash drives

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I love it when people come up with interesting ways of using technology, and when I came across dead drops , I was immediately hooked. The ...
Wednesday, March 14, 2012

Pyswitch bugfix, and DoS vulnerability in open vSwitch

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Pyswitch I had a bit of time to work on Pyswitch today, and I've cut it back so that it only sets the destination MAC and out port, and...
Monday, March 12, 2012

Openflow with NOX & Pronto/Pica8

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We've got a Pronto 3290 at work, and with Josh Bailey's help I've been getting it talking Openflow to a NOX controller running p...
Saturday, July 2, 2011

Woohoo, 3-way!

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I added my third router and machine, but couldn't get multicast to go more than one hop... it turns out that when I tried to test msdp a...
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Sam Russell
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