On (2012-05-29 07:08 -0700), Doug Hanks wrote:

> Or just use BFD ...

Not really solution for SPF timers though. Juniper is clearly lacking in
SPF configuration options. What you operationally want is 0 delay for SPF
calculation to start, to cover typical event of single link going down as
rapidly as possible. (Sure for some topologies LFA will cover that)
But if LSPs keep coming in, you want to exponentially back-off, to run SPF
less and less frequently.

Same thing as interface up/down dampening, here also JunOS has just static
values, no exponential back-off.

Both cause you to choose rather conservative value in JunOS, while in IOS
you can rock aggressive values.

-- 
  ++ytti
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