non sure aboutt convergence time for spanning tree

From: Rob Clav (robclav@gmail.com)
Date: Sun Nov 02 2008 - 09:43:17 ARST


Hi Guys,
after reviewing cisco docs, and groupstudy old mails regarding
forwarding time It's not clear for me yet.
From my point of view convergence time for pvst+ is the time between
blocking state to forwarding state (50 seconds by default), so max age
should be changed as well.
But there are several answers from people:

1st solution, the most extended one says, total time 8 seconds?
      spanning-tree vlan 1 forward-time 4 (that value is the minimum)

2on solution, total time 14 seconds???
      spanning-tree vlan 1 forward-time 4
      spanning-tree vlan 1 maxage 6

The second one for me is the convergence complete time. what do you think?

The non Cisco links are:
http://cciepursuit.wordpress.com/2007/08/12/spanning-tree-timers-reminders/
http://www.groupstudy.com/archives/ccielab/200606/msg01446.html
http://www.groupstudy.com/archives/ccielab/200504/threads.html#01150
http://www.groupstudy.com/archives/ccielab/200504/msg01150.html
http://www.groupstudy.com/archives/ccielab/200510/msg01570.html

Blogs and organic groups at http://www.ccie.net



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