>
>Other than in ISP's, has anybody seen IS-IS in use in a real production
>network?
ISIS is used in most telcos, where a DCN is used for getting billing
information back from the switches. The switches being standardised all
talk X.25 over async, and ADMs all talk ISO, so ISIS is always the best
option. Management traffic for the ADMs, and the Billing information
normally travel over the same network, which should be provided out of band
(AT&T, are you listening?)
So, a telco running SDH (I know alcatel now support IP, not sure about the
rest), should run ISIS.
I Love ISIS, it's so easy to work with.
Rob./
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