Re: Multicast drops

PS: I've tried increasing the queue to 4096, no good

On Friday, June 10, 2011, Persio Pucci <persio_at_gmail.com> wrote:
> Does this help?
>
> Last clearing of "show interface" counters 00:00:28
> ...
> Input queue: 1/75/0/111 (size/max/drops/flushes); Total output drops: 0
> Queueing strategy: fifo
> Output queue: 0/40 (size/max)
> 5 minute input rate 5413000 bits/sec, 1900 packets/sec
> 5 minute output rate 13000 bits/sec, 9 packets/sec
>
> This is a GigE interface (the one connecting to the other 7300, the
> interface where ping drops occour). I see flushes on this interface
> (111 in 28 seconds) although the input rate is low (around 5.4Mbps).
>
> 1 - Could this be where I am loosing packets? (Remeber, this all began
> because of missing multicast packets)
> 2 - How to fix this?
>
> Persio
>
> On Fri, Jun 10, 2011 at 2:28 PM, Persio Pucci <persio_at_gmail.com> wrote:
>> No rate limiting anywhere...
>>
>> On Fri, Jun 10, 2011 at 2:12 PM, Babatunde Sanda <sbabatunde1_at_ca.rr.com> wrote:
>>> Is their any rate limiting on any of the devices. I remember having a similar problem that turned out to be bit-rate limit on a hop switch. Increasing the rate solved it.
>>>
>>> Babatunde Sanda B.Sc (Acct.) CCNP, CCVP, CCNA(R,S,V), MCSA, N+, A+.
>>> :: Sent from my Iphone. Apologies for errors and brevity. ::
>>>
>>> On Jun 10, 2011, at 9:30 AM, Persio Pucci <persio_at_gmail.com> wrote:
>>>
>>>> sh env says everything is normal (voltage, temperature, etc). Device
>>>> is being polled by SNMP every minute. I have removed snmp env traps
>>>> but this does not seem to affect ping drops or EnvMon rising every
>>>> 10s.
>>>>
>>>> I don't see errors on the interface on the CLI counters, but SNMP
>>>> graphs some... (http://imageshack.us/photo/my-images/34/49929742.jpg/)
>>>>
>>>> Tried changing OSPF SPF calc max/min timers (they were on the 10s
>>>> default) but this also seemed helpless.
>>>>
>>>> On Fri, Jun 10, 2011 at 1:13 PM, Jason Boyers <jboyers_at_ipexpert.com> wrote:
>>>>> Are you seeing any errors on those connections? Also, errors on a physical
>>>>> link would not typically show up as consistent (about every 10 seconds) as
>>>>> the connectivity problem you are describing. I would look into what is
>>>>> causing Envmon to spike. Are you monitoring your temperature, voltage,
>>>>> and/or power supply status very frequently? Or, does "show environment"
>>>>> show anything out of the ordinary which may cause it to send an excessive
>>>>> number of snmp traps?
>>>>>
>>>>> Jason Boyers - CCIE #26024 (Wireless)
>>>>> Technical Instructor - IPexpert, Inc.
>>>>> Mailto: jboyers_at_ipexpert.com
>>>>>
>>>>>
>>>>>
>>>>> On Fri, Jun 10, 2011 at 11:50 AM, Persio Pucci <persio_at_gmail.com> wrote:
>>>>>>
>>>>>> Wondering if replacing the SFP optical connection between them by
>>>>>> RJ45s could be of any help (considering I have replaced the SFPs
>>>>>> before to ensure it was not hardware)
>>>>>>
>>>>>> On Friday, June 10, 2011, Persio Pucci <persio_at_gmail.com> wrote:
>>>>>>> Things got funnier...
>>>>>>>
>>>>>>> before my international hop I have two 7304 (being one of them the one
>>>>>>> where the int'l connection is) and if I test connectivity between
>>>>>>> them, I'll miss a ping packet every 10 seconds. All other packets make
>>>>>>> it in 1ms or less, but every ~10 seconds I miss a ping.
>>>>>>>
>>>>>>> I have already changed the SFPs and patch cords on these connections,
>>>>>>> have even replaced both NPE-G100 on the 7300s. I still have those
>>>>>>> hicups.
>>>>>>>
>>>>>>> No CoPP is configured, and I can feel this symptom when accessing
>>>>>>> remote terminals...
>>>>>>>
>>>>>>> What could it be besides hardware? The 10s constant makes me think of
>>>>>>> some recurring process, but can't find anything.
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Jun 8, 2011 at 11:37 AM, Persio Pucci <persio_at_gmail.com> wrote:
>>>>>>>> Hi all,
>>>>>>>>
>>>>>>>> I am having some trouble trying to identify and determine what is

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Received on Fri Jun 10 2011 - 15:05:20 ART