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08-11-2011 08:57 AM - last edited on 01-02-2014 07:36 PM by Lisa198503
08-11-2011 08:57 AM - last edited on 01-02-2014 07:36 PM by Lisa198503
Switch E5500G (JE088A) ASIC question
Hi
New here, so treat me kindly, please.
We have a query which I was told by HP to post here. Am trying to troubleshoot a problem and just want to confirm some facts.
The question is, does an individual ASIC in a switch control a set of six ports, or is it something else. Reason for the question is we have some device on our network which is occasional flooding the network and the switch counters are showing high levels of abort packets. What we are seeing is that the number of abort packets are very similar level on ports 1 to 6, but then a very different similar number on ports 7 to 12 and so on.
I need to rule out whether the number of aborts are based on the ASIC or some other aspect of the internal workings of the switch, or is to do with the devices connected at the other end of the links. Obviously, devices connected at 100Mbs are seeing significantly higher numbers, but for devices connected, at the same speed on the ports, the number of aborts are very similar but in groups of 6.
Anyone know the answer to this.
Carrick
P.S. This thread has been moved from ProCurve / ProVision-Based to Comware-Based. -HP Forum Moderator
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08-19-2011 06:45 AM
08-19-2011 06:45 AM
Re: Switch E5500G (JE088A) ASIC question
The amount of port on one ASIC depends on the switch. I think it's 4 for the 2610 for example. Could very well be 6 on the 5500...I hope someone can clarify this.
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08-23-2011 09:43 PM
08-23-2011 09:43 PM
Re: Switch E5500G (JE088A) ASIC question
What does the term "aborts" mean for E5500Gs? Nobody could answer this queston to me.
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08-31-2011 02:23 AM
08-31-2011 02:23 AM
Re: Switch E5500G (JE088A) ASIC question
@Sunday_1 wrote:What does the term "aborts" mean for E5500Gs? Nobody could answer this queston to me.
These refer to packets that are not sent out on the port. Flow control usually takes care of most of this issue, but not always. In our case we have a device sending out a high number of packets (probably some form of multicast) which is faster than the end device can handle. The switch then throws away the packets it can not deliver - aborts. This is worse where the end receiving device is running at a slower speed eg 100Mbs so the counters are higher. In an ideal network you should not see any abort packets.
Hope that helps
Carrick