Anycast: IP-SLA HOWTO

The complete configuration necessary to implement anycast DNS using Cisco IP SLA, though it’s a little weird without the background.

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Anycast: DGRAM vs. STREAM

For internal anycast services, it doesn’t really matter if it’s using TCP or UDP, so long as your routing protocol fails over quickly.

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Customer Service Fail

One of the bad ideas currently infecting companies in the technology field is the LivePerson “chat with a support person now” thing. This is a bad idea for multiple reasons: It’s a gigantic floating piece of garbage distracting me from whatever it is I’m trying to learn about your company or it’s products. The representatives […]

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Distributing Static Routes with DHCP

I’m setting up an isolated network for people to test internal applications on, since the developers all have Sun workstations with a dual-port Gigabit NIC on the motherboard, and we’ve got a bunch of older network equipment that we haven’t gotten around to eBaying yet. What I’m doing is linking the second NICs together with […]

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New Books

Latest on the “done” pile are Rule The Freakin’ Markets and IS-IS Network Design Solutions. Summaries/reviews of both are up.

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Living with Telcos

Your network engineer orders four T1 lines from locations in City A to a datacenter in City Z via a large telco. He leaves the week before these are to be dropped, and of course, does not document what he was doing or even keep copies of the contracts. Either way, the lines are in […]

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Xen and The Art of Free Speech

Aside from the laughable idea of “militantly” supporting anything with a blog post, Miguel simply noted that these people exist, have written a book, and will be doing the speaking-tour-thing near him. Does he agree with the contents? (shakes eight-ball) Signs point to Yes. Is he free to do so? Also yes. Are you free […]

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