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01-08-2010 01:17 AM
01-08-2010 01:17 AM
PCM+ 2.3x and MSTI mapping
It seems that PCM+ doesn't handle correctly the mapping between MSTI and VLAN in an multi-MSTP instance architecture.
We have 2 MSTI and 2 sets of vlans.
If we look at the vlan map for two vlans mapped to different MST instances, the same links appears to be blocked on the PCM+ VLAN map. Although this is not the case in reality.
Is there something to do, or PCM+ is just not able to map correctly MSTP ?
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01-08-2010 02:06 AM
01-08-2010 02:06 AM
Re: PCM+ 2.3x and MSTI mapping
I'm not sure i'm just guessing.
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01-08-2010 04:50 AM
01-08-2010 04:50 AM
Re: PCM+ 2.3x and MSTI mapping
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01-08-2010 05:10 AM
01-08-2010 05:10 AM
Re: PCM+ 2.3x and MSTI mapping
_ The design is correct, and the blocked links for each instance are the choosen and correct ones.
These informations have been verified with all the STP CLI commands available on the switch
Unfortunately, PCM+ doesn't display correctly the blocked links for each vlan in the vlan topology tabs.
eg:
In reality (viewed with cli commands directly on the switches)
Vlan 200 is mapped to instance 1
Vlan 300 is mapped to instance 2
IST has the same topologie as instance 1 (same root-bridge et backub-root)
link A-B:
_ is blocked for instance 1 (and for IST also)
_ is forwarding for instance 2
If I look at the vlan topology map for vlan 200 : link A-B is displayed in the blocked state (Correct)
And if I look at vlan 300 (in the vlan map)
link A-B is also displayed in blocked state for this vlan (Not Correct)
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01-08-2010 05:12 AM
01-08-2010 05:12 AM
Re: PCM+ 2.3x and MSTI mapping
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01-08-2010 05:26 AM
01-08-2010 05:26 AM
Re: PCM+ 2.3x and MSTI mapping
I know that my english is not always good but, I think you missed something.
I've already done this. See my preceding post.
There is differences between PCM+ maps (Incorrect) and real topology (verified by cli commands) on the switches.
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01-08-2010 05:27 AM
01-08-2010 05:27 AM
Re: PCM+ 2.3x and MSTI mapping
anyway maybe i'm wrong