Hello there,

After upgrade to SRE3 we've been noticing a huge increase in input errors on 
the 7200s (input errors counting as ignored packets).  This is classic 
microburst behaviour, however it seems to have gotten substantially worse with 
SRE.  With previous (SB) software, the input errors usually didn't start to 
count until the port reached ~100Mbits of traffic, now it's happening even at 
15-20Mbits with the router CPU hardly loaded and in amount that I haven't seen 
before.

Adding to my previous mail, I've discovered that this issue only seems to 
happen on MPLS enabled interfaces, queuing on the interface does not matter, 
happens with FIFO, Class-Based and Fair-Weighted queueing.  Hold-Queue makes no 
difference.

I'd appreciate any insight

Kind regards,
Sigurbjörn


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