leave » Ср мар 04, 2009 10:23 am
Two 3725 “core” routers: $15.000
A layer-3 switch to connect them: $3.000
Connectivity to two upstream ISPs: $3000/month (estimate)
Bringing down the whole Internet because you’ve saved $3000 on the BGP training (or $50 on a BGP book): priceless.
И оттуда же:
"Whole internet" must not use ancient IOS on their crap devices.
Fallman,
$this->bbcode_second_pass_quote('', '
')Now suppose you just got your Internet learner's permit yesterday and you really don't want your backup provider being used unless your main provider is down. You could prepend your AS a few times in the route announcements you make to your backup provider and that would do the trick, but to make really sure you go for a few hundred instead.
$this->bbcode_second_pass_quote('', '
')SuproNet (AS 47868) normally announces a single prefix, 94.125.216.0/21, to a single provider, CD-Telematika (AS 25512). On February 16th at 16:23:30 UTC, we saw this same prefix via a different provider, Sloane Park Property Trust (AS 29113), but with an AS path exceeding 255 ASNs.