[f-nsp] Odd MRP problem

[Heath Jones]

Hi George

I'm really quite a newbie when it comes to MRP. RHP rcvd / sent = 8.22
(close to 8). Is that worth noting?
If the ring ID was different on all 4 devices, not converging so sending out
both interfaces, that would mean that each device should show 8 times(ish)
the figure of what is sending out??

Packet captures might be the way to go, if we can find the protocol spec
from foundry..

Heath

On 11 September 2010 20:02, George B. <georgeb at gmail.com> wrote:

> See this diagram for reference:
>
> http://tinypic.com/r/kb93lj/7
>
> This is pretty simple.  I have one vlan in an MRP ring through 4 MLX
> units.  I configure the master, and it works as expected.  I then configure
> the members.  The problem is when the last "member" (non-master) is
> configured in the ring, the master begins to receive thousands of RHP and TC
> RBPDUs per second.  It doesn't matter which one is the last member
> configured but as soon as I enable RHP on that last member, the count of RHP
> and TC RBPDUs goes haywire.  Here is what my master currently shows:
>
> RHPs sent            RHPs rcvd            TC RBPDUs rcvd
> 509883               4193162              3684318
>
> As you can see, it has sent about a half a million RHPs but received over 4
> million of them!
>
> Only one unit is configured as "master".  As long as I have MRP
> unconfigured on one of the members, the ring works as expected. There is no
> spanning tree of any sort running on that vlan.  I am just in awe of how RHP
> packets can seemingly be created in the network somewhere at such an amazing
> rate!
>
> Anyone else seen anything like this?  It is just plain wacky!
>
> George
>
>
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