CatOS Problem
Christopher E. Brown
chris.brown at acsalaska.net
Thu Oct 7 21:29:13 UTC 2004
john heasley wrote:
> Wed, Oct 06, 2004 at 05:12:20PM +0200, Soren Hansen:
>
>> Well, on all my CatOS boxes I only had the output from "write term"
>> in CVS. With the update, I now have the output from "write term
>> all". No changes in CatOS recently. I'll probably change the
>> intervals for retrieving end user access switch configurations now,
>> as I keep getting mails when users come and go, because of the
>> spanning tree port cost changes.
>
>
> In theory, you should not run spanning tree on access ports, only
> trunk ports; ie: should which connect to another switch. And, if
> there are no forwarding loops in your switch topology, dont run it at
> all.
Even if spanning tree is shut down things like port costs are still
tracked by CatOS. And they change on up/down or rate change.
An example of something we see many times daily (and YES, spanning tree
is shutdown on this switch.
Index: configs/xxxxxx
===================================================================
retrieving revision 1.842
diff -u -4 -r1.13 xxxxxxxx
@@ -1419,10 +1419,10 @@
set spantree portinstancepri 8/45 0 mst
set spantree portinstancepri 8/46 0 mst
set spantree portinstancepri 8/47 0 mst
set spantree portinstancepri 8/48 0 mst
- set spantree portcost 8/1,8/3-4,8/10,8/31-48 200000 mst
- set spantree portcost 8/2,8/5-9,8/11-30 2000000 mst
+ set spantree portcost 8/1,8/3-4,8/31-48 200000 mst
+ set spantree portcost 8/2,8/5-30 2000000 mst
set spantree portinstancecost 8/1 cost 199999 mst
set spantree portinstancecost 8/2 cost 1999999 mst
set spantree portinstancecost 8/3 cost 199999 mst
set spantree portinstancecost 8/4 cost 199999 mst
@@ -1430,9 +1430,9 @@
set spantree portinstancecost 8/6 cost 1999999 mst
set spantree portinstancecost 8/7 cost 1999999 mst
set spantree portinstancecost 8/8 cost 1999999 mst
set spantree portinstancecost 8/9 cost 1999999 mst
- set spantree portinstancecost 8/10 cost 199999 mst
+ set spantree portinstancecost 8/10 cost 1999999 mst
set spantree portinstancecost 8/11 cost 1999999 mst
set spantree portinstancecost 8/12 cost 1999999 mst
set spantree portinstancecost 8/13 cost 1999999 mst
set spantree portinstancecost 8/14 cost 1999999 mst
@@ -1469,10 +1469,10 @@
set spantree portinstancecost 8/45 cost 199999 mst
set spantree portinstancecost 8/46 cost 199999 mst
set spantree portinstancecost 8/47 cost 199999 mst
set spantree portinstancecost 8/48 cost 199999 mst
- set spantree portcost 8/1,8/3-4,8/10,8/31-48 19
- set spantree portcost 8/2,8/5-9,8/11-30 100
+ set spantree portcost 8/1,8/3-4,8/31-48 19
+ set spantree portcost 8/2,8/5-30 100
set spantree portpri 8/1-48 32
set spantree portvlanpri 8/1 0
set spantree portvlanpri 8/2 0
set spantree portvlanpri 8/3 0
@@ -1529,9 +1529,9 @@
set spantree portvlancost 8/6 cost 99
set spantree portvlancost 8/7 cost 99
set spantree portvlancost 8/8 cost 99
set spantree portvlancost 8/9 cost 99
- set spantree portvlancost 8/10 cost 18
+ set spantree portvlancost 8/10 cost 99
set spantree portvlancost 8/11 cost 99
set spantree portvlancost 8/12 cost 99
set spantree portvlancost 8/13 cost 99
set spantree portvlancost 8/14 cost 99
--
------------------------------------------------------------------------
Christopher E. Brown <chris.brown at acsalaska.net> desk (907) 273-6893
cell (907) 632-8492
IP Engineer III - ACS
------------------------------------------------------------------------
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